diff options
Diffstat (limited to 'test/test-suite')
25 files changed, 14165 insertions, 0 deletions
diff --git a/test/test-suite/api.test.js b/test/test-suite/api.test.js new file mode 100644 index 0000000..5a5e10e --- /dev/null +++ b/test/test-suite/api.test.js @@ -0,0 +1,1693 @@ +"use strict"; + +const lua = require('../../src/lua.js'); +const lauxlib = require('../../src/lauxlib.js'); +const lualib = require('../../src/lualib.js'); +const {to_luastring} = require("../../src/fengaricore.js"); + +const ltests = require('./ltests.js'); + +// TODO: a lot of gc related tests are skipped +// TODO: io.read is used in several tests, uncomment them when it's implemented + +const prefix = ` + local pack = table.pack + + + function tcheck (t1, t2) + assert(t1.n == (t2.n or #t2) + 1) + for i = 2, t1.n do assert(t1[i] == t2[i - 1]) end + end + + + local function checkerr (msg, f, ...) + local stat, err = pcall(f, ...) + assert(not stat and string.find(err, msg)) + end +`; + +test("[test-suite] api: registry", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + a = T.testC("pushvalue R; return 1") + assert(a == debug.getregistry()) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: absindex", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(T.testC("settop 10; absindex -1; return 1") == 10) + assert(T.testC("settop 5; absindex -5; return 1") == 1) + assert(T.testC("settop 10; absindex 1; return 1") == 1) + assert(T.testC("settop 10; absindex R; return 1") < -10) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: testing alignment", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + -- Useless tests in fengari since we do the same thing in d2s than in string.pack + a = T.d2s(12458954321123.0) + assert(a == string.pack("d", 12458954321123.0)) + assert(T.s2d(a) == 12458954321123.0) + + a,b,c = T.testC("pushnum 1; pushnum 2; pushnum 3; return 2") + assert(a == 2 and b == 3 and not c) + + f = T.makeCfunc("pushnum 1; pushnum 2; pushnum 3; return 2") + a,b,c = f() + assert(a == 2 and b == 3 and not c) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: test that all trues are equal", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + a,b,c = T.testC("pushbool 1; pushbool 2; pushbool 0; return 3") + assert(a == b and a == true and c == false) + a,b,c = T.testC"pushbool 0; pushbool 10; pushnil;\\ + tobool -3; tobool -3; tobool -3; return 3" + assert(a==false and b==true and c==false) + + + a,b,c = T.testC("gettop; return 2", 10, 20, 30, 40) + assert(a == 40 and b == 5 and not c) + + t = pack(T.testC("settop 5; return *", 2, 3)) + tcheck(t, {n=4,2,3}) + + t = pack(T.testC("settop 0; settop 15; return 10", 3, 1, 23)) + assert(t.n == 10 and t[1] == nil and t[10] == nil) + + t = pack(T.testC("remove -2; return *", 2, 3, 4)) + tcheck(t, {n=2,2,4}) + + t = pack(T.testC("insert -1; return *", 2, 3)) + tcheck(t, {n=2,2,3}) + + t = pack(T.testC("insert 3; return *", 2, 3, 4, 5)) + tcheck(t, {n=4,2,5,3,4}) + + t = pack(T.testC("replace 2; return *", 2, 3, 4, 5)) + tcheck(t, {n=3,5,3,4}) + + t = pack(T.testC("replace -2; return *", 2, 3, 4, 5)) + tcheck(t, {n=3,2,3,5}) + + t = pack(T.testC("remove 3; return *", 2, 3, 4, 5)) + tcheck(t, {n=3,2,4,5}) + + t = pack(T.testC("copy 3 4; return *", 2, 3, 4, 5)) + tcheck(t, {n=4,2,3,3,5}) + + t = pack(T.testC("copy -3 -1; return *", 2, 3, 4, 5)) + tcheck(t, {n=4,2,3,4,3}) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: testing 'rotate'", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do -- testing 'rotate' + local t = {10, 20, 30, 40, 50, 60} + for i = -6, 6 do + local s = string.format("rotate 2 %d; return 7", i) + local t1 = pack(T.testC(s, 10, 20, 30, 40, 50, 60)) + tcheck(t1, t) + table.insert(t, 1, table.remove(t)) + end + + t = pack(T.testC("rotate -2 1; return *", 10, 20, 30, 40)) + tcheck(t, {10, 20, 40, 30}) + t = pack(T.testC("rotate -2 -1; return *", 10, 20, 30, 40)) + tcheck(t, {10, 20, 40, 30}) + + -- some corner cases + t = pack(T.testC("rotate -1 0; return *", 10, 20, 30, 40)) + tcheck(t, {10, 20, 30, 40}) + t = pack(T.testC("rotate -1 1; return *", 10, 20, 30, 40)) + tcheck(t, {10, 20, 30, 40}) + t = pack(T.testC("rotate 5 -1; return *", 10, 20, 30, 40)) + tcheck(t, {10, 20, 30, 40}) + end + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: testing non-function message handlers", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local f = T.makeCfunc[[ + getglobal error + pushstring bola + pcall 1 1 1 # call 'error' with given handler + pushstatus + return 2 # return error message and status + ]] + + local msg, st = f({}) -- invalid handler + assert(st == "ERRERR" and string.find(msg, "error handling")) + local msg, st = f(nil) -- invalid handler + assert(st == "ERRERR" and string.find(msg, "error handling")) + + local a = setmetatable({}, {__call = function (_, x) return x:upper() end}) + local msg, st = f(a) -- callable handler + assert(st == "ERRRUN" and msg == "BOLA") + end + + t = pack(T.testC("insert 3; pushvalue 3; remove 3; pushvalue 2; remove 2; \\ + insert 2; pushvalue 1; remove 1; insert 1; \\ + insert -2; pushvalue -2; remove -3; return *", + 2, 3, 4, 5, 10, 40, 90)) + tcheck(t, {n=7,2,3,4,5,10,40,90}) + + t = pack(T.testC("concat 5; return *", "alo", 2, 3, "joao", 12)) + tcheck(t, {n=1,"alo23joao12"}) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: testing MULTRET", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + t = pack(T.testC("call 2,-1; return *", + function (a,b) return 1,2,3,4,a,b end, "alo", "joao")) + tcheck(t, {n=6,1,2,3,4,"alo", "joao"}) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: test returning more results than fit in the caller stack", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do -- test returning more results than fit in the caller stack + local a = {} + for i=1,1000 do a[i] = true end; a[999] = 10 + local b = T.testC([[pcall 1 -1 0; pop 1; tostring -1; return 1]], + table.unpack, a) + assert(b == "10") + end + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: testing globals", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + _G.a = 14; _G.b = "a31" + local a = {T.testC[[ + getglobal a; + getglobal b; + getglobal b; + setglobal a; + return * + ]]} + assert(a[2] == 14 and a[3] == "a31" and a[4] == nil and _G.a == "a31") + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: testing arith", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(T.testC("pushnum 10; pushnum 20; arith /; return 1") == 0.5) + assert(T.testC("pushnum 10; pushnum 20; arith -; return 1") == -10) + assert(T.testC("pushnum 10; pushnum -20; arith *; return 1") == -200) + assert(T.testC("pushnum 10; pushnum 3; arith ^; return 1") == 1000) + assert(T.testC("pushnum 10; pushstring 20; arith /; return 1") == 0.5) + assert(T.testC("pushstring 10; pushnum 20; arith -; return 1") == -10) + assert(T.testC("pushstring 10; pushstring -20; arith *; return 1") == -200) + assert(T.testC("pushstring 10; pushstring 3; arith ^; return 1") == 1000) + assert(T.testC("arith /; return 1", 2, 0) == 10.0/0) + a = T.testC("pushnum 10; pushint 3; arith \\\\; return 1") + assert(a == 3.0 and math.type(a) == "float") + a = T.testC("pushint 10; pushint 3; arith \\\\; return 1") + assert(a == 3 and math.type(a) == "integer") + a = assert(T.testC("pushint 10; pushint 3; arith +; return 1")) + assert(a == 13 and math.type(a) == "integer") + a = assert(T.testC("pushnum 10; pushint 3; arith +; return 1")) + assert(a == 13 and math.type(a) == "float") + a,b,c = T.testC([[pushnum 1; + pushstring 10; arith _; + pushstring 5; return 3]]) + assert(a == 1 and b == -10 and c == "5") + mt = {__add = function (a,b) return setmetatable({a[1] + b[1]}, mt) end, + __mod = function (a,b) return setmetatable({a[1] % b[1]}, mt) end, + __unm = function (a) return setmetatable({a[1]* 2}, mt) end} + a,b,c = setmetatable({4}, mt), + setmetatable({8}, mt), + setmetatable({-3}, mt) + x,y,z = T.testC("arith +; return 2", 10, a, b) + assert(x == 10 and y[1] == 12 and z == nil) + assert(T.testC("arith %; return 1", a, c)[1] == 4%-3) + assert(T.testC("arith _; arith +; arith %; return 1", b, a, c)[1] == + 8 % (4 + (-3)*2)) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: errors in arithmetic", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + checkerr("divide by zero", T.testC, "arith \\\\", 10, 0) + checkerr("%%0", T.testC, "arith %", 10, 0) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: testing lessthan and lessequal", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(T.testC("compare LT 2 5, return 1", 3, 2, 2, 4, 2, 2)) + assert(T.testC("compare LE 2 5, return 1", 3, 2, 2, 4, 2, 2)) + assert(not T.testC("compare LT 3 4, return 1", 3, 2, 2, 4, 2, 2)) + assert(T.testC("compare LE 3 4, return 1", 3, 2, 2, 4, 2, 2)) + assert(T.testC("compare LT 5 2, return 1", 4, 2, 2, 3, 2, 2)) + assert(not T.testC("compare LT 2 -3, return 1", "4", "2", "2", "3", "2", "2")) + assert(not T.testC("compare LT -3 2, return 1", "3", "2", "2", "4", "2", "2")) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: non-valid indices produce false", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(not T.testC("compare LT 1 4, return 1")) + assert(not T.testC("compare LE 9 1, return 1")) + assert(not T.testC("compare EQ 9 9, return 1")) + + local b = {__lt = function (a,b) return a[1] < b[1] end} + local a1,a3,a4 = setmetatable({1}, b), + setmetatable({3}, b), + setmetatable({4}, b) + assert(T.testC("compare LT 2 5, return 1", a3, 2, 2, a4, 2, 2)) + assert(T.testC("compare LE 2 5, return 1", a3, 2, 2, a4, 2, 2)) + assert(T.testC("compare LT 5 -6, return 1", a4, 2, 2, a3, 2, 2)) + a,b = T.testC("compare LT 5 -6, return 2", a1, 2, 2, a3, 2, 20) + assert(a == 20 and b == false) + a,b = T.testC("compare LE 5 -6, return 2", a1, 2, 2, a3, 2, 20) + assert(a == 20 and b == false) + a,b = T.testC("compare LE 5 -6, return 2", a1, 2, 2, a1, 2, 20) + assert(a == 20 and b == true) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: testing length", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local t = setmetatable({x = 20}, {__len = function (t) return t.x end}) + a,b,c = T.testC([[ + len 2; + Llen 2; + objsize 2; + return 3 + ]], t) + assert(a == 20 and b == 20 and c == 0) + + t.x = "234"; t[1] = 20 + a,b,c = T.testC([[ + len 2; + Llen 2; + objsize 2; + return 3 + ]], t) + assert(a == "234" and b == 234 and c == 1) + + t.x = print; t[1] = 20 + a,c = T.testC([[ + len 2; + objsize 2; + return 2 + ]], t) + assert(a == print and c == 1) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: testing __concat", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + a = setmetatable({x="u"}, {__concat = function (a,b) return a.x..'.'..b.x end}) + x,y = T.testC([[ + pushnum 5 + pushvalue 2; + pushvalue 2; + concat 2; + pushvalue -2; + return 2; + ]], a, a) + assert(x == a..a and y == 5) + + -- concat with 0 elements + assert(T.testC("concat 0; return 1") == "") + + -- concat with 1 element + assert(T.testC("concat 1; return 1", "xuxu") == "xuxu") + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: testing lua_is", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + function B(x) return x and 1 or 0 end + + function count (x, n) + n = n or 2 + local prog = [[ + isnumber %d; + isstring %d; + isfunction %d; + iscfunction %d; + istable %d; + isuserdata %d; + isnil %d; + isnull %d; + return 8 + ]] + prog = string.format(prog, n, n, n, n, n, n, n, n) + local a,b,c,d,e,f,g,h = T.testC(prog, x) + return B(a)+B(b)+B(c)+B(d)+B(e)+B(f)+B(g)+(100*B(h)) + end + + assert(count(3) == 2) + assert(count('alo') == 1) + assert(count('32') == 2) + assert(count({}) == 1) + assert(count(print) == 2) + assert(count(function () end) == 1) + assert(count(nil) == 1) + assert(count(io.stdin) == 1) + assert(count(nil, 15) == 100) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: testing lua_to...", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + function to (s, x, n) + n = n or 2 + return T.testC(string.format("%s %d; return 1", s, n), x) + end + + local hfunc = string.gmatch("", "") -- a "heavy C function" (with upvalues) + assert(debug.getupvalue(hfunc, 1)) + assert(to("tostring", {}) == nil) + assert(to("tostring", "alo") == "alo") + assert(to("tostring", 12) == "12") + assert(to("tostring", 12, 3) == nil) + assert(to("objsize", {}) == 0) + assert(to("objsize", {1,2,3}) == 3) + assert(to("objsize", "alo\\0\\0a") == 6) + assert(to("objsize", T.newuserdata(0)) == 0) + assert(to("objsize", T.newuserdata(101)) == 101) + assert(to("objsize", 124) == 0) + assert(to("objsize", true) == 0) + assert(to("tonumber", {}) == 0) + assert(to("tonumber", "12") == 12) + assert(to("tonumber", "s2") == 0) + assert(to("tonumber", 1, 20) == 0) + assert(to("topointer", 10) == 0) + assert(to("topointer", true) == 0) + assert(to("topointer", T.pushuserdata(20)) == 20) + --assert(to("topointer", io.read) ~= 0) -- light C function + assert(to("topointer", hfunc) ~= 0) -- "heavy" C function + assert(to("topointer", function () end) ~= 0) -- Lua function + assert(to("topointer", io.stdin) ~= 0) -- full userdata + assert(to("func2num", 20) == 0) + assert(to("func2num", T.pushuserdata(10)) == 0) + -- assert(to("func2num", io.read) ~= 0) -- light C function + assert(to("func2num", hfunc) ~= 0) -- "heavy" C function (with upvalue) + a = to("tocfunction", math.deg) + assert(a(3) == math.deg(3) and a == math.deg) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + +test("[test-suite] api: testing panic function", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + -- trivial error + assert(T.checkpanic("pushstring hi; error") == "hi") + + -- using the stack inside panic + assert(T.checkpanic("pushstring hi; error;", + [[checkstack 5 XX + pushstring ' alo' + pushstring ' mundo' + concat 3]]) == "hi alo mundo") + + -- "argerror" without frames + assert(T.checkpanic("loadstring 4") == + "bad argument #4 (string expected, got no value)") + + + --[[ TODO: T.totalmem + -- memory error + T.totalmem(T.totalmem()+10000) -- set low memory limit (+10k) + assert(T.checkpanic("newuserdata 20000") == "not enough memory") + T.totalmem(0) -- restore high limit + ]] + + -- stack error + if not _soft then + local msg = T.checkpanic[[ + pushstring "function f() f() end" + loadstring -1; call 0 0 + getglobal f; call 0 0 + ]] + assert(string.find(msg, "stack overflow")) + end + + end + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test.skip("[test-suite] api: testing deep JS stack", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + checkerr("XXXX", T.testC, "checkstack 1000023 XXXX") -- too deep + -- too deep (with no message) + checkerr("^stack overflow$", T.testC, "checkstack 1000023 ''") + local s = string.rep("pushnil;checkstack 1 XX;", 1000000) + checkerr("overflow", T.testC, s) + end + + local lim = _soft and 500 or 12000 + local prog = {"checkstack " .. (lim * 2 + 100) .. "msg", "newtable"} + for i = 1,lim do + prog[#prog + 1] = "pushnum " .. i + prog[#prog + 1] = "pushnum " .. i * 10 + end + + prog[#prog + 1] = "rawgeti R 2" -- get global table in registry + prog[#prog + 1] = "insert " .. -(2*lim + 2) + + for i = 1,lim do + prog[#prog + 1] = "settable " .. -(2*(lim - i + 1) + 1) + end + + prog[#prog + 1] = "return 2" + + prog = table.concat(prog, ";") + local g, t = T.testC(prog) + assert(g == _G) + for i = 1,lim do assert(t[i] == i*10); t[i] = nil end + assert(next(t) == nil) + prog, g, t = nil + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: testing errors", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + a = T.testC([[ + loadstring 2; pcall 0 1 0; + pushvalue 3; insert -2; pcall 1 1 0; + pcall 0 0 0; + return 1 + ]], "x=150", function (a) assert(a==nil); return 3 end) + + assert(type(a) == 'string' and x == 150) + + function check3(p, ...) + local arg = {...} + assert(#arg == 3) + assert(string.find(arg[3], p)) + end + check3(":1:", T.testC("loadstring 2; return *", "x=")) + check3("%.", T.testC("loadfile 2; return *", ".")) + check3("xxxx", T.testC("loadfile 2; return *", "xxxx")) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: test errors in non protected threads", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + function checkerrnopro (code, msg) + local th = coroutine.create(function () end) -- create new thread + local stt, err = pcall(T.testC, th, code) -- run code there + assert(not stt and string.find(err, msg)) + end + + if not _soft then + checkerrnopro("pushnum 3; call 0 0", "attempt to call") + -- print"testing stack overflow in unprotected thread" + function f () f() end + checkerrnopro("getglobal 'f'; call 0 0;", "stack overflow") + end + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: testing table access", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do -- getp/setp + local a = {} + T.testC("rawsetp 2 1", a, 20) + assert(a[T.pushuserdata(1)] == 20) + assert(T.testC("rawgetp 2 1; return 1", a) == 20) + end + + a = {x=0, y=12} + x, y = T.testC("gettable 2; pushvalue 4; gettable 2; return 2", + a, 3, "y", 4, "x") + assert(x == 0 and y == 12) + T.testC("settable -5", a, 3, 4, "x", 15) + assert(a.x == 15) + a[a] = print + x = T.testC("gettable 2; return 1", a) -- table and key are the same object! + assert(x == print) + T.testC("settable 2", a, "x") -- table and key are the same object! + assert(a[a] == "x") + + b = setmetatable({p = a}, {}) + getmetatable(b).__index = function (t, i) return t.p[i] end + k, x = T.testC("gettable 3, return 2", 4, b, 20, 35, "x") + assert(x == 15 and k == 35) + k = T.testC("getfield 2 y, return 1", b) + assert(k == 12) + getmetatable(b).__index = function (t, i) return a[i] end + getmetatable(b).__newindex = function (t, i,v ) a[i] = v end + y = T.testC("insert 2; gettable -5; return 1", 2, 3, 4, "y", b) + assert(y == 12) + k = T.testC("settable -5, return 1", b, 3, 4, "x", 16) + assert(a.x == 16 and k == 4) + a[b] = 'xuxu' + y = T.testC("gettable 2, return 1", b) + assert(y == 'xuxu') + T.testC("settable 2", b, 19) + assert(a[b] == 19) + + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: testing getfield/setfield with long keys", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do -- testing getfield/setfield with long keys + local t = {_012345678901234567890123456789012345678901234567890123456789 = 32} + local a = T.testC([[ + getfield 2 _012345678901234567890123456789012345678901234567890123456789 + return 1 + ]], t) + assert(a == 32) + local a = T.testC([[ + pushnum 33 + setglobal _012345678901234567890123456789012345678901234567890123456789 + ]]) + assert(_012345678901234567890123456789012345678901234567890123456789 == 33) + _012345678901234567890123456789012345678901234567890123456789 = nil + end + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: testing next", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + a = {} + t = pack(T.testC("next; return *", a, nil)) + tcheck(t, {n=1,a}) + a = {a=3} + t = pack(T.testC("next; return *", a, nil)) + tcheck(t, {n=3,a,'a',3}) + t = pack(T.testC("next; pop 1; next; return *", a, nil)) + tcheck(t, {n=1,a}) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: testing upvalues", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local A = T.testC[[ pushnum 10; pushnum 20; pushcclosure 2; return 1]] + t, b, c = A([[pushvalue U0; pushvalue U1; pushvalue U2; return 3]]) + assert(b == 10 and c == 20 and type(t) == 'table') + a, b = A([[tostring U3; tonumber U4; return 2]]) + assert(a == nil and b == 0) + A([[pushnum 100; pushnum 200; replace U2; replace U1]]) + b, c = A([[pushvalue U1; pushvalue U2; return 2]]) + assert(b == 100 and c == 200) + A([[replace U2; replace U1]], {x=1}, {x=2}) + b, c = A([[pushvalue U1; pushvalue U2; return 2]]) + assert(b.x == 1 and c.x == 2) + -- T.checkmemory() + end + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: testing absent upvalues from JS-function pointers", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(T.testC[[isnull U1; return 1]] == true) + assert(T.testC[[isnull U100; return 1]] == true) + assert(T.testC[[pushvalue U1; return 1]] == nil) + + local f = T.testC[[ pushnum 10; pushnum 20; pushcclosure 2; return 1]] + assert(T.upvalue(f, 1) == 10 and + T.upvalue(f, 2) == 20 and + T.upvalue(f, 3) == nil) + T.upvalue(f, 2, "xuxu") + assert(T.upvalue(f, 2) == "xuxu") + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: large closures", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local A = "checkstack 300 msg;" .. + string.rep("pushnum 10;", 255) .. + "pushcclosure 255; return 1" + A = T.testC(A) + for i=1,255 do + assert(A(("pushvalue U%d; return 1"):format(i)) == 10) + end + assert(A("isnull U256; return 1")) + assert(not A("isnil U256; return 1")) + end + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: testing get/setuservalue", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + -- bug in 5.1.2 + checkerr("got number", debug.setuservalue, 3, {}) + checkerr("got nil", debug.setuservalue, nil, {}) + checkerr("got light userdata", debug.setuservalue, T.pushuserdata(1), {}) + + local b = T.newuserdata(0) + assert(debug.getuservalue(b) == nil) + for _, v in pairs{true, false, 4.56, print, {}, b, "XYZ"} do + assert(debug.setuservalue(b, v) == b) + assert(debug.getuservalue(b) == v) + end + + assert(debug.getuservalue(4) == nil) + + debug.setuservalue(b, function () return 10 end) + -- collectgarbage() -- function should not be collected + assert(debug.getuservalue(b)() == 10) + + debug.setuservalue(b, 134) + -- collectgarbage() -- number should not be a problem for collector + assert(debug.getuservalue(b) == 134) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test.skip("[test-suite] api: testing get/setuservalue", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + T.gcstate("atomic") + assert(T.gccolor(b) == "black") + debug.setuservalue(b, {x = 100}) + T.gcstate("pause") -- complete collection + assert(debug.getuservalue(b).x == 100) -- uvalue should be there + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test.skip("[test-suite] api: long chain of userdata", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + for i = 1, 1000 do + local bb = T.newuserdata(0) + debug.setuservalue(bb, b) + b = bb + end + -- collectgarbage() -- nothing should not be collected + for i = 1, 1000 do + b = debug.getuservalue(b) + end + assert(debug.getuservalue(b).x == 100) + b = nil + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test.skip("[test-suite] api: reuse of references", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local i = T.ref{} + T.unref(i) + assert(T.ref{} == i) + + Arr = {} + Lim = 100 + for i=1,Lim do -- lock many objects + Arr[i] = T.ref({}) + end + + assert(T.ref(nil) == -1 and T.getref(-1) == nil) + T.unref(-1); T.unref(-1) + + for i=1,Lim do -- unlock all them + T.unref(Arr[i]) + end + + function printlocks () + local f = T.makeCfunc("gettable R; return 1") + local n = f("n") + print("n", n) + for i=0,n do + print(i, f(i)) + end + end + + + for i=1,Lim do -- lock many objects + Arr[i] = T.ref({}) + end + + for i=1,Lim,2 do -- unlock half of them + T.unref(Arr[i]) + end + + assert(type(T.getref(Arr[2])) == 'table') + + + assert(T.getref(-1) == nil) + + + a = T.ref({}) + + -- collectgarbage() + + assert(type(T.getref(a)) == 'table') + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test.skip("[test-suite] api: collect in cl the `val' of all collected userdata", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + tt = {} + cl = {n=0} + A = nil; B = nil + local F + F = function (x) + local udval = T.udataval(x) + table.insert(cl, udval) + local d = T.newuserdata(100) -- cria lixo + d = nil + assert(debug.getmetatable(x).__gc == F) + assert(load("table.insert({}, {})"))() -- cria mais lixo + collectgarbage() -- forca coleta de lixo durante coleta! + assert(debug.getmetatable(x).__gc == F) -- coleta anterior nao melou isso? + local dummy = {} -- cria lixo durante coleta + if A ~= nil then + assert(type(A) == "userdata") + assert(T.udataval(A) == B) + debug.getmetatable(A) -- just acess it + end + A = x -- ressucita userdata + B = udval + return 1,2,3 + end + tt.__gc = F + + collectgarbage("stop") + + -- create 3 userdatas with tag 'tt' + a = T.newuserdata(0); debug.setmetatable(a, tt); na = T.udataval(a) + b = T.newuserdata(0); debug.setmetatable(b, tt); nb = T.udataval(b) + c = T.newuserdata(0); debug.setmetatable(c, tt); nc = T.udataval(c) + + -- create userdata without meta table + x = T.newuserdata(4) + y = T.newuserdata(0) + + checkerr("FILE%* expected, got userdata", io.input, a) + checkerr("FILE%* expected, got userdata", io.input, x) + + assert(debug.getmetatable(x) == nil and debug.getmetatable(y) == nil) + + d=T.ref(a); + e=T.ref(b); + f=T.ref(c); + t = {T.getref(d), T.getref(e), T.getref(f)} + assert(t[1] == a and t[2] == b and t[3] == c) + + t=nil; a=nil; c=nil; + T.unref(e); T.unref(f) + + collectgarbage() + + -- check that unref objects have been collected + assert(#cl == 1 and cl[1] == nc) + + x = T.getref(d) + assert(type(x) == 'userdata' and debug.getmetatable(x) == tt) + x =nil + tt.b = b -- create cycle + tt=nil -- frees tt for GC + A = nil + b = nil + T.unref(d); + n5 = T.newuserdata(0) + debug.setmetatable(n5, {__gc=F}) + n5 = T.udataval(n5) + collectgarbage() + assert(#cl == 4) + -- check order of collection + assert(cl[2] == n5 and cl[3] == nb and cl[4] == na) + + collectgarbage"restart" + + + a, na = {}, {} + for i=30,1,-1 do + a[i] = T.newuserdata(0) + debug.setmetatable(a[i], {__gc=F}) + na[i] = T.udataval(a[i]) + end + cl = {} + a = nil; collectgarbage() + assert(#cl == 30) + for i=1,30 do assert(cl[i] == na[i]) end + na = nil + + + for i=2,Lim,2 do -- unlock the other half + T.unref(Arr[i]) + end + + x = T.newuserdata(41); debug.setmetatable(x, {__gc=F}) + assert(T.testC("objsize 2; return 1", x) == 41) + cl = {} + a = {[x] = 1} + x = T.udataval(x) + collectgarbage() + -- old 'x' cannot be collected ('a' still uses it) + assert(#cl == 0) + for n in pairs(a) do a[n] = nil end + collectgarbage() + assert(#cl == 1 and cl[1] == x) -- old 'x' must be collected + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test.skip("[test-suite] api: test whether udate collection frees memory in the right time", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + collectgarbage(); + collectgarbage(); + local x = collectgarbage("count"); + local a = T.newuserdata(5001) + assert(T.testC("objsize 2; return 1", a) == 5001) + assert(collectgarbage("count") >= x+4) + a = nil + collectgarbage(); + assert(collectgarbage("count") <= x+1) + -- udata without finalizer + x = collectgarbage("count") + collectgarbage("stop") + for i=1,1000 do T.newuserdata(0) end + assert(collectgarbage("count") > x+10) + collectgarbage() + assert(collectgarbage("count") <= x+1) + -- udata with finalizer + collectgarbage() + x = collectgarbage("count") + collectgarbage("stop") + a = {__gc = function () end} + for i=1,1000 do debug.setmetatable(T.newuserdata(0), a) end + assert(collectgarbage("count") >= x+10) + collectgarbage() -- this collection only calls TM, without freeing memory + assert(collectgarbage("count") >= x+10) + collectgarbage() -- now frees memory + assert(collectgarbage("count") <= x+1) + collectgarbage("restart") + end + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: testing lua_equal", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(T.testC("compare EQ 2 4; return 1", print, 1, print, 20)) + assert(T.testC("compare EQ 3 2; return 1", 'alo', "alo")) + assert(T.testC("compare EQ 2 3; return 1", nil, nil)) + assert(not T.testC("compare EQ 2 3; return 1", {}, {})) + assert(not T.testC("compare EQ 2 3; return 1")) + assert(not T.testC("compare EQ 2 3; return 1", 3)) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: testing lua_equal with fallbacks", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local map = {} + local t = {__eq = function (a,b) return map[a] == map[b] end} + local function f(x) + local u = T.newuserdata(0) + debug.setmetatable(u, t) + map[u] = x + return u + end + assert(f(10) == f(10)) + assert(f(10) ~= f(11)) + assert(T.testC("compare EQ 2 3; return 1", f(10), f(10))) + assert(not T.testC("compare EQ 2 3; return 1", f(10), f(20))) + t.__eq = nil + assert(f(10) ~= f(10)) + end + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: testing changing hooks during hooks", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + _G.t = {} + T.sethook([[ + # set a line hook after 3 count hooks + sethook 4 0 ' + getglobal t; + pushvalue -3; append -2 + pushvalue -2; append -2 + ']], "c", 3) + local a = 1 -- counting + a = 1 -- counting + a = 1 -- count hook (set line hook) + a = 1 -- line hook + a = 1 -- line hook + debug.sethook() + t = _G.t + assert(t[1] == "line") + line = t[2] + assert(t[3] == "line" and t[4] == line + 1) + assert(t[5] == "line" and t[6] == line + 2) + assert(t[7] == nil) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test.skip("[test-suite] api: testing errors during GC", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do -- testing errors during GC + local a = {} + for i=1,20 do + a[i] = T.newuserdata(i) -- creates several udata + end + for i=1,20,2 do -- mark half of them to raise errors during GC + debug.setmetatable(a[i], {__gc = function (x) error("error inside gc") end}) + end + for i=2,20,2 do -- mark the other half to count and to create more garbage + debug.setmetatable(a[i], {__gc = function (x) load("A=A+1")() end}) + end + _G.A = 0 + a = 0 + while 1 do + local stat, msg = pcall(collectgarbage) + if stat then + break -- stop when no more errors + else + a = a + 1 + assert(string.find(msg, "__gc")) + end + end + assert(a == 10) -- number of errors + + assert(A == 10) -- number of normal collections + end + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: test for userdata vals", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local a = {}; local lim = 30 + for i=0,lim do a[i] = T.pushuserdata(i) end + for i=0,lim do assert(T.udataval(a[i]) == i) end + for i=0,lim do assert(T.pushuserdata(i) == a[i]) end + for i=0,lim do a[a[i]] = i end + for i=0,lim do a[T.pushuserdata(i)] = i end + assert(type(tostring(a[1])) == "string") + end + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: testing multiple states", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + T.closestate(T.newstate()); + L1 = T.newstate() + assert(L1) + + assert(T.doremote(L1, "X='a'; return 'a'") == 'a') + + + assert(#pack(T.doremote(L1, "function f () return 'alo', 3 end; f()")) == 0) + + a, b = T.doremote(L1, "return f()") + assert(a == 'alo' and b == '3') + + T.doremote(L1, "_ERRORMESSAGE = nil") + -- error: 'sin' is not defined + a, _, b = T.doremote(L1, "return sin(1)") + assert(a == nil and b == 2) -- 2 == run-time error + + -- error: syntax error + a, b, c = T.doremote(L1, "return a+") + assert(a == nil and c == 3 and type(b) == "string") -- 3 == syntax error + + T.loadlib(L1) + a, b, c = T.doremote(L1, [[ + string = require'string' + a = require'_G'; assert(a == _G and require("_G") == a) + -- io = require'io'; assert(type(io.read) == "function") + -- assert(require("io") == io) + a = require'table'; assert(type(a.insert) == "function") + a = require'debug'; assert(type(a.getlocal) == "function") + a = require'math'; assert(type(a.sin) == "function") + return string.sub('okinama', 1, 2) + ]]) + assert(a == "ok") + + T.closestate(L1); + + + L1 = T.newstate() + T.loadlib(L1) + T.doremote(L1, "a = {}") + T.testC(L1, [[getglobal "a"; pushstring "x"; pushint 1; + settable -3]]) + assert(T.doremote(L1, "return a.x") == "1") + + T.closestate(L1) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test.skip("[test-suite] api: testing memory limits", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + checkerr("block too big", T.newuserdata, math.maxinteger) + collectgarbage() + T.totalmem(T.totalmem()+5000) -- set low memory limit (+5k) + checkerr("not enough memory", load"local a={}; for i=1,100000 do a[i]=i end") + T.totalmem(0) -- restore high limit + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +const memprefix = ` + -- test memory errors; increase memory limit in small steps, so that + -- we get memory errors in different parts of a given task, up to there + -- is enough memory to complete the task without errors + function testamem (s, f) + collectgarbage(); collectgarbage() + local M = T.totalmem() + local oldM = M + local a,b = nil + while 1 do + M = M+7 -- increase memory limit in small steps + T.totalmem(M) + a, b = pcall(f) + T.totalmem(0) -- restore high limit + if a and b then break end -- stop when no more errors + collectgarbage() + if not a and not -- 'real' error? + (string.find(b, "memory") or string.find(b, "overflow")) then + error(b, 0) -- propagate it + end + end + print("\\nlimit for " .. s .. ": " .. M-oldM) + return b + end +`; + + +test.skip("[test-suite] api: testing memory errors when creating a new state", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + b = testamem("state creation", T.newstate) + T.closestate(b); -- close new state + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + memprefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + +test("[test-suite] api: get main thread from registry (at index LUA_RIDX_MAINTHREAD == 1)", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + mt = T.testC("rawgeti R 1; return 1") + assert(type(mt) == "thread" and coroutine.running() == mt) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + memprefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + +test.skip("[test-suite] api: test thread creation after stressing GC", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + function expand (n,s) + if n==0 then return "" end + local e = string.rep("=", n) + return string.format("T.doonnewstack([%s[ %s;\\n collectgarbage(); %s]%s])\\n", + e, s, expand(n-1,s), e) + end + + G=0; collectgarbage(); a =collectgarbage("count") + load(expand(20,"G=G+1"))() + assert(G==20); collectgarbage(); -- assert(gcinfo() <= a+1) + + testamem("thread creation", function () + return T.doonnewstack("x=1") == 0 -- try to create thread + end) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + memprefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test.skip("[test-suite] api: testing memory x compiler", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + testamem("loadstring", function () + return load("x=1") -- try to do load a string + end) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + memprefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test.skip("[test-suite] api: testing memory x dofile", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local testprog = [[ + local function foo () return end + local t = {"x"} + a = "aaa" + for i = 1, #t do a=a..t[i] end + return true + ]] + + -- testing memory x dofile + _G.a = nil + local t =os.tmpname() + local f = assert(io.open(t, "w")) + f:write(testprog) + f:close() + testamem("dofile", function () + local a = loadfile(t) + return a and a() + end) + assert(os.remove(t)) + assert(_G.a == "aaax") + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + memprefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test.skip("[test-suite] api: other generic tests", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + testamem("string creation", function () + local a, b = string.gsub("alo alo", "(a)", function (x) return x..'b' end) + return (a == 'ablo ablo') + end) + + testamem("dump/undump", function () + local a = load(testprog) + local b = a and string.dump(a) + a = b and load(b) + return a and a() + end) + + local t = os.tmpname() + testamem("file creation", function () + local f = assert(io.open(t, 'w')) + assert (not io.open"nomenaoexistente") + io.close(f); + return not loadfile'nomenaoexistente' + end) + assert(os.remove(t)) + + testamem("table creation", function () + local a, lim = {}, 10 + for i=1,lim do a[i] = i; a[i..'a'] = {} end + return (type(a[lim..'a']) == 'table' and a[lim] == lim) + end) + + testamem("constructors", function () + local a = {10, 20, 30, 40, 50; a=1, b=2, c=3, d=4, e=5} + return (type(a) == 'table' and a.e == 5) + end) + + local a = 1 + close = nil + testamem("closure creation", function () + function close (b,c) + return function (x) return a+b+c+x end + end + return (close(2,3)(4) == 10) + end) + + testamem("coroutines", function () + local a = coroutine.wrap(function () + coroutine.yield(string.rep("a", 10)) + return {} + end) + assert(string.len(a()) == 10) + return a() + end) + + do -- auxiliary buffer + local lim = 100 + local a = {}; for i = 1, lim do a[i] = "01234567890123456789" end + testamem("auxiliary buffer", function () + return (#table.concat(a, ",") == 20*lim + lim - 1) + end) + end + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + memprefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: testing some auxlib functions", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function gsub (a, b, c) + a, b = T.testC("gsub 2 3 4; gettop; return 2", a, b, c) + assert(b == 5) + return a + end + + assert(gsub("alo.alo.uhuh.", ".", "//") == "alo//alo//uhuh//") + assert(gsub("alo.alo.uhuh.", "alo", "//") == "//.//.uhuh.") + assert(gsub("", "alo", "//") == "") + assert(gsub("...", ".", "/.") == "/././.") + assert(gsub("...", "...", "") == "") + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] api: testing luaL_newmetatable", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local mt_xuxu, res, top = T.testC("newmetatable xuxu; gettop; return 3") + assert(type(mt_xuxu) == "table" and res and top == 3) + local d, res, top = T.testC("newmetatable xuxu; gettop; return 3") + assert(mt_xuxu == d and not res and top == 3) + d, res, top = T.testC("newmetatable xuxu1; gettop; return 3") + assert(mt_xuxu ~= d and res and top == 3) + + x = T.newuserdata(0); + y = T.newuserdata(0); + T.testC("pushstring xuxu; gettable R; setmetatable 2", x) + assert(getmetatable(x) == mt_xuxu) + + -- correct metatable + local res1, res2, top = T.testC([[testudata -1 xuxu + testudata 2 xuxu + gettop + return 3]], x) + assert(res1 and res2 and top == 4) + + -- wrong metatable + res1, res2, top = T.testC([[testudata -1 xuxu1 + testudata 2 xuxu1 + gettop + return 3]], x) + assert(not res1 and not res2 and top == 4) + + -- non-existent type + res1, res2, top = T.testC([[testudata -1 xuxu2 + testudata 2 xuxu2 + gettop + return 3]], x) + assert(not res1 and not res2 and top == 4) + + -- userdata has no metatable + res1, res2, top = T.testC([[testudata -1 xuxu + testudata 2 xuxu + gettop + return 3]], y) + assert(not res1 and not res2 and top == 4) + + -- erase metatables + do + local r = debug.getregistry() + assert(r.xuxu == mt_xuxu and r.xuxu1 == d) + r.xuxu = nil; r.xuxu1 = nil + end + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); diff --git a/test/test-suite/attrib.test.js b/test/test-suite/attrib.test.js new file mode 100644 index 0000000..bb07e62 --- /dev/null +++ b/test/test-suite/attrib.test.js @@ -0,0 +1,302 @@ +"use strict"; + +const lua = require('../../src/lua.js'); +const lauxlib = require('../../src/lauxlib.js'); +const lualib = require('../../src/lualib.js'); +const {to_luastring} = require("../../src/fengaricore.js"); + +test("[test-suite] attrib: testing require", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(require"string" == string) + assert(require"math" == math) + assert(require"table" == table) + assert(require"io" == io) + assert(require"os" == os) + assert(require"coroutine" == coroutine) + + assert(type(package.path) == "string") + assert(type(package.jspath) == "string") + assert(type(package.loaded) == "table") + assert(type(package.preload) == "table") + + assert(type(package.config) == "string") + -- print("package config: "..string.gsub(package.config, "\\n", "|")) + + do + -- create a path with 'max' templates, + -- each with 1-10 repetitions of '?' + local max = _soft and 100 or 2000 + local t = {} + for i = 1,max do t[i] = string.rep("?", i%10 + 1) end + t[#t + 1] = ";" -- empty template + local path = table.concat(t, ";") + -- use that path in a search + local s, err = package.searchpath("xuxu", path) + -- search fails; check that message has an occurence of + -- '??????????' with ? replaced by xuxu and at least 'max' lines + assert(not s and + string.find(err, string.rep("xuxu", 10)) and + #string.gsub(err, "[^\\n]", "") >= max) + -- path with one very long template + local path = string.rep("?", max) + local s, err = package.searchpath("xuxu", path) + assert(not s and string.find(err, string.rep('xuxu', max))) + end + + do + local oldpath = package.path + package.path = {} + local s, err = pcall(require, "no-such-file") + assert(not s and string.find(err, "package.path")) + package.path = oldpath + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +// TODO: when io.write etc. +test.skip("[test-suite] attrib: system specific tests for 'require'", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); +}); + + +test("[test-suite] attrib: testing assignments, logical operators, and constructors", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local res, res2 = 27 + + a, b = 1, 2+3 + assert(a==1 and b==5) + a={} + function f() return 10, 11, 12 end + a.x, b, a[1] = 1, 2, f() + assert(a.x==1 and b==2 and a[1]==10) + a[f()], b, a[f()+3] = f(), a, 'x' + assert(a[10] == 10 and b == a and a[13] == 'x') + + do + local f = function (n) local x = {}; for i=1,n do x[i]=i end; + return table.unpack(x) end; + local a,b,c + a,b = 0, f(1) + assert(a == 0 and b == 1) + A,b = 0, f(1) + assert(A == 0 and b == 1) + a,b,c = 0,5,f(4) + assert(a==0 and b==5 and c==1) + a,b,c = 0,5,f(0) + assert(a==0 and b==5 and c==nil) + end + + a, b, c, d = 1 and nil, 1 or nil, (1 and (nil or 1)), 6 + assert(not a and b and c and d==6) + + d = 20 + a, b, c, d = f() + assert(a==10 and b==11 and c==12 and d==nil) + a,b = f(), 1, 2, 3, f() + assert(a==10 and b==1) + + assert(a<b == false and a>b == true) + assert((10 and 2) == 2) + assert((10 or 2) == 10) + assert((10 or assert(nil)) == 10) + assert(not (nil and assert(nil))) + assert((nil or "alo") == "alo") + assert((nil and 10) == nil) + assert((false and 10) == false) + assert((true or 10) == true) + assert((false or 10) == 10) + assert(false ~= nil) + assert(nil ~= false) + assert(not nil == true) + assert(not not nil == false) + assert(not not 1 == true) + assert(not not a == true) + assert(not not (6 or nil) == true) + assert(not not (nil and 56) == false) + assert(not not (nil and true) == false) + assert(not 10 == false) + assert(not {} == false) + assert(not 0.5 == false) + assert(not "x" == false) + + assert({} ~= {}) + + a = {} + a[true] = 20 + a[false] = 10 + assert(a[1<2] == 20 and a[1>2] == 10) + + function f(a) return a end + + local a = {} + for i=3000,-3000,-1 do a[i + 0.0] = i; end + a[10e30] = "alo"; a[true] = 10; a[false] = 20 + assert(a[10e30] == 'alo' and a[not 1] == 20 and a[10<20] == 10) + for i=3000,-3000,-1 do assert(a[i] == i); end + a[print] = assert + a[f] = print + a[a] = a + assert(a[a][a][a][a][print] == assert) + a[print](a[a[f]] == a[print]) + assert(not pcall(function () local a = {}; a[nil] = 10 end)) + assert(not pcall(function () local a = {[nil] = 10} end)) + assert(a[nil] == nil) + a = nil + + a = {10,9,8,7,6,5,4,3,2; [-3]='a', [f]=print, a='a', b='ab'} + a, a.x, a.y = a, a[-3] + assert(a[1]==10 and a[-3]==a.a and a[f]==print and a.x=='a' and not a.y) + a[1], f(a)[2], b, c = {['alo']=assert}, 10, a[1], a[f], 6, 10, 23, f(a), 2 + a[1].alo(a[2]==10 and b==10 and c==print) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] attrib: test of large float/integer indices ", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + a = {} + a[true] = 20 + a[false] = 10 + assert(a[1<2] == 20 and a[1>2] == 10) + + function f(a) return a end + + local a = {} + for i=3000,-3000,-1 do a[i + 0.0] = i; end + a[10e30] = "alo"; a[true] = 10; a[false] = 20 + assert(a[10e30] == 'alo' and a[not 1] == 20 and a[10<20] == 10) + for i=3000,-3000,-1 do assert(a[i] == i); end + a[print] = assert + a[f] = print + a[a] = a + assert(a[a][a][a][a][print] == assert) + a[print](a[a[f]] == a[print]) + assert(not pcall(function () local a = {}; a[nil] = 10 end)) + assert(not pcall(function () local a = {[nil] = 10} end)) + assert(a[nil] == nil) + a = nil + + a = {10,9,8,7,6,5,4,3,2; [-3]='a', [f]=print, a='a', b='ab'} + a, a.x, a.y = a, a[-3] + assert(a[1]==10 and a[-3]==a.a and a[f]==print and a.x=='a' and not a.y) + a[1], f(a)[2], b, c = {['alo']=assert}, 10, a[1], a[f], 6, 10, 23, f(a), 2 + a[1].alo(a[2]==10 and b==10 and c==print) + + -- compute maximum integer where all bits fit in a float + local maxint = math.maxinteger + + while maxint - 1.0 == maxint - 0.0 do -- trim (if needed) to fit in a float + maxint = maxint // 2 + end + + maxintF = maxint + 0.0 -- float version + + assert(math.type(maxintF) == "float" and maxintF >= 2.0^14) + + -- floats and integers must index the same places + a[maxintF] = 10; a[maxintF - 1.0] = 11; + a[-maxintF] = 12; a[-maxintF + 1.0] = 13; + + assert(a[maxint] == 10 and a[maxint - 1] == 11 and + a[-maxint] == 12 and a[-maxint + 1] == 13) + + a[maxint] = 20 + a[-maxint] = 22 + + assert(a[maxintF] == 20 and a[maxintF - 1.0] == 11 and + a[-maxintF] == 22 and a[-maxintF + 1.0] == 13) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] attrib: test conflicts in multiple assignment", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local a,i,j,b + a = {'a', 'b'}; i=1; j=2; b=a + i, a[i], a, j, a[j], a[i+j] = j, i, i, b, j, i + assert(i == 2 and b[1] == 1 and a == 1 and j == b and b[2] == 2 and + b[3] == 1) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] attrib: repeat test with upvalues", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local a,i,j,b + a = {'a', 'b'}; i=1; j=2; b=a + local function foo () + i, a[i], a, j, a[j], a[i+j] = j, i, i, b, j, i + end + foo() + assert(i == 2 and b[1] == 1 and a == 1 and j == b and b[2] == 2 and + b[3] == 1) + local t = {} + (function (a) t[a], a = 10, 20 end)(1); + assert(t[1] == 10) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] attrib: bug in 5.2 beta", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function foo () + local a + return function () + local b + a, b = 3, 14 -- local and upvalue have same index + return a, b + end + end + + local a, b = foo()() + assert(a == 3 and b == 14) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); diff --git a/test/test-suite/bitwise.test.js b/test/test-suite/bitwise.test.js new file mode 100644 index 0000000..bf8de5c --- /dev/null +++ b/test/test-suite/bitwise.test.js @@ -0,0 +1,404 @@ +"use strict"; + +const lua = require('../../src/lua.js'); +const lauxlib = require('../../src/lauxlib.js'); +const lualib = require('../../src/lualib.js'); +const {to_luastring} = require("../../src/fengaricore.js"); + +const prefix = ` + package.preload.bit32 = function () --{ + + -- no built-in 'bit32' library: implement it using bitwise operators + + local bit = {} + + function bit.bnot (a) + return ~a & 0xFFFFFFFF + end + + + -- + -- in all vararg functions, avoid creating 'arg' table when there are + -- only 2 (or less) parameters, as 2 parameters is the common case + -- + + function bit.band (x, y, z, ...) + if not z then + return ((x or -1) & (y or -1)) & 0xFFFFFFFF + else + local arg = {...} + local res = x & y & z + for i = 1, #arg do res = res & arg[i] end + return res & 0xFFFFFFFF + end + end + + function bit.bor (x, y, z, ...) + if not z then + return ((x or 0) | (y or 0)) & 0xFFFFFFFF + else + local arg = {...} + local res = x | y | z + for i = 1, #arg do res = res | arg[i] end + return res & 0xFFFFFFFF + end + end + + function bit.bxor (x, y, z, ...) + if not z then + return ((x or 0) ~ (y or 0)) & 0xFFFFFFFF + else + local arg = {...} + local res = x ~ y ~ z + for i = 1, #arg do res = res ~ arg[i] end + return res & 0xFFFFFFFF + end + end + + function bit.btest (...) + return bit.band(...) ~= 0 + end + + function bit.lshift (a, b) + return ((a & 0xFFFFFFFF) << b) & 0xFFFFFFFF + end + + function bit.rshift (a, b) + return ((a & 0xFFFFFFFF) >> b) & 0xFFFFFFFF + end + + function bit.arshift (a, b) + a = a & 0xFFFFFFFF + if b <= 0 or (a & 0x80000000) == 0 then + return (a >> b) & 0xFFFFFFFF + else + return ((a >> b) | ~(0xFFFFFFFF >> b)) & 0xFFFFFFFF + end + end + + function bit.lrotate (a ,b) + b = b & 31 + a = a & 0xFFFFFFFF + a = (a << b) | (a >> (32 - b)) + return a & 0xFFFFFFFF + end + + function bit.rrotate (a, b) + return bit.lrotate(a, -b) + end + + local function checkfield (f, w) + w = w or 1 + assert(f >= 0, "field cannot be negative") + assert(w > 0, "width must be positive") + assert(f + w <= 32, "trying to access non-existent bits") + return f, ~(-1 << w) + end + + function bit.extract (a, f, w) + local f, mask = checkfield(f, w) + return (a >> f) & mask + end + + function bit.replace (a, v, f, w) + local f, mask = checkfield(f, w) + v = v & mask + a = (a & ~(mask << f)) | (v << f) + return a & 0xFFFFFFFF + end + + return bit + + end --} + + local bit32 = require'bit32' +`; + +test("[test-suite] bitwise: testing bitwise operations", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local numbits = string.packsize('j') * 8 + + assert(~0 == -1) + + assert((1 << (numbits - 1)) == math.mininteger) + + -- basic tests for bitwise operators; + -- use variables to avoid constant folding + local a, b, c, d + a = 0xFFFFFFFFFFFFFFFF + assert(a == -1 and a & -1 == a and a & 35 == 35) + a = 0xF0F0F0F0F0F0F0F0 + assert(a | -1 == -1) + assert(a ~ a == 0 and a ~ 0 == a and a ~ ~a == -1) + assert(a >> 4 == ~a) + a = 0xF0; b = 0xCC; c = 0xAA; d = 0xFD + assert(a | b ~ c & d == 0xF4) + + a = 0xF0.0; b = 0xCC.0; c = "0xAA.0"; d = "0xFD.0" + assert(a | b ~ c & d == 0xF4) + + a = 0xF0000000; b = 0xCC000000; + c = 0xAA000000; d = 0xFD000000 + assert(a | b ~ c & d == 0xF4000000) + assert(~~a == a and ~a == -1 ~ a and -d == ~d + 1) + + a = a << 32 + b = b << 32 + c = c << 32 + d = d << 32 + assert(a | b ~ c & d == 0xF4000000 << 32) + assert(~~a == a and ~a == -1 ~ a and -d == ~d + 1) + + assert(-1 >> 1 == (1 << (numbits - 1)) - 1 and 1 << 31 == 0x80000000) + assert(-1 >> (numbits - 1) == 1) + assert(-1 >> numbits == 0 and + -1 >> -numbits == 0 and + -1 << numbits == 0 and + -1 << -numbits == 0) + + assert((2^30 - 1) << 2^30 == 0) + assert((2^30 - 1) >> 2^30 == 0) + + assert(1 >> -3 == 1 << 3 and 1000 >> 5 == 1000 << -5) + + + -- coercion from strings to integers + assert("0xffffffffffffffff" | 0 == -1) + assert("0xfffffffffffffffe" & "-1" == -2) + assert(" \\t-0xfffffffffffffffe\\n\\t" & "-1" == 2) + assert(" \\n -45 \\t " >> " -2 " == -45 * 4) + + -- out of range number + assert(not pcall(function () return "0xffffffffffffffff.0" | 0 end)) + + -- embedded zeros + assert(not pcall(function () return "0xffffffffffffffff\\0" | 0 end)) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] bitwise: testing bitwise library", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(bit32.band() == bit32.bnot(0)) + assert(bit32.btest() == true) + assert(bit32.bor() == 0) + assert(bit32.bxor() == 0) + + assert(bit32.band() == bit32.band(0xffffffff)) + assert(bit32.band(1,2) == 0) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] bitwise: out-of-range numbers", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(bit32.band(-1) == 0xffffffff) + assert(bit32.band((1 << 33) - 1) == 0xffffffff) + assert(bit32.band(-(1 << 33) - 1) == 0xffffffff) + assert(bit32.band((1 << 33) + 1) == 1) + assert(bit32.band(-(1 << 33) + 1) == 1) + assert(bit32.band(-(1 << 40)) == 0) + assert(bit32.band(1 << 40) == 0) + assert(bit32.band(-(1 << 40) - 2) == 0xfffffffe) + assert(bit32.band((1 << 40) - 4) == 0xfffffffc) + + assert(bit32.lrotate(0, -1) == 0) + assert(bit32.lrotate(0, 7) == 0) + assert(bit32.lrotate(0x12345678, 0) == 0x12345678) + assert(bit32.lrotate(0x12345678, 32) == 0x12345678) + assert(bit32.lrotate(0x12345678, 4) == 0x23456781) + assert(bit32.rrotate(0x12345678, -4) == 0x23456781) + assert(bit32.lrotate(0x12345678, -8) == 0x78123456) + assert(bit32.rrotate(0x12345678, 8) == 0x78123456) + assert(bit32.lrotate(0xaaaaaaaa, 2) == 0xaaaaaaaa) + assert(bit32.lrotate(0xaaaaaaaa, -2) == 0xaaaaaaaa) + for i = -50, 50 do + assert(bit32.lrotate(0x89abcdef, i) == bit32.lrotate(0x89abcdef, i%32)) + end + + assert(bit32.lshift(0x12345678, 4) == 0x23456780) + assert(bit32.lshift(0x12345678, 8) == 0x34567800) + assert(bit32.lshift(0x12345678, -4) == 0x01234567) + assert(bit32.lshift(0x12345678, -8) == 0x00123456) + assert(bit32.lshift(0x12345678, 32) == 0) + assert(bit32.lshift(0x12345678, -32) == 0) + assert(bit32.rshift(0x12345678, 4) == 0x01234567) + assert(bit32.rshift(0x12345678, 8) == 0x00123456) + assert(bit32.rshift(0x12345678, 32) == 0) + assert(bit32.rshift(0x12345678, -32) == 0) + assert(bit32.arshift(0x12345678, 0) == 0x12345678) + assert(bit32.arshift(0x12345678, 1) == 0x12345678 // 2) + assert(bit32.arshift(0x12345678, -1) == 0x12345678 * 2) + assert(bit32.arshift(-1, 1) == 0xffffffff) + assert(bit32.arshift(-1, 24) == 0xffffffff) + assert(bit32.arshift(-1, 32) == 0xffffffff) + assert(bit32.arshift(-1, -1) == bit32.band(-1 * 2, 0xffffffff)) + + assert(0x12345678 << 4 == 0x123456780) + assert(0x12345678 << 8 == 0x1234567800) + assert(0x12345678 << -4 == 0x01234567) + assert(0x12345678 << -8 == 0x00123456) + assert(0x12345678 << 32 == 0x1234567800000000) + assert(0x12345678 << -32 == 0) + assert(0x12345678 >> 4 == 0x01234567) + assert(0x12345678 >> 8 == 0x00123456) + assert(0x12345678 >> 32 == 0) + assert(0x12345678 >> -32 == 0x1234567800000000) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] bitwise: some special cases", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local c = {0, 1, 2, 3, 10, 0x80000000, 0xaaaaaaaa, 0x55555555, + 0xffffffff, 0x7fffffff} + + for _, b in pairs(c) do + assert(bit32.band(b) == b) + assert(bit32.band(b, b) == b) + assert(bit32.band(b, b, b, b) == b) + assert(bit32.btest(b, b) == (b ~= 0)) + assert(bit32.band(b, b, b) == b) + assert(bit32.band(b, b, b, ~b) == 0) + assert(bit32.btest(b, b, b) == (b ~= 0)) + assert(bit32.band(b, bit32.bnot(b)) == 0) + assert(bit32.bor(b, bit32.bnot(b)) == bit32.bnot(0)) + assert(bit32.bor(b) == b) + assert(bit32.bor(b, b) == b) + assert(bit32.bor(b, b, b) == b) + assert(bit32.bor(b, b, 0, ~b) == 0xffffffff) + assert(bit32.bxor(b) == b) + assert(bit32.bxor(b, b) == 0) + assert(bit32.bxor(b, b, b) == b) + assert(bit32.bxor(b, b, b, b) == 0) + assert(bit32.bxor(b, 0) == b) + assert(bit32.bnot(b) ~= b) + assert(bit32.bnot(bit32.bnot(b)) == b) + assert(bit32.bnot(b) == (1 << 32) - 1 - b) + assert(bit32.lrotate(b, 32) == b) + assert(bit32.rrotate(b, 32) == b) + assert(bit32.lshift(bit32.lshift(b, -4), 4) == bit32.band(b, bit32.bnot(0xf))) + assert(bit32.rshift(bit32.rshift(b, 4), -4) == bit32.band(b, bit32.bnot(0xf))) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] bitwise: for this test, use at most 24 bits (mantissa of a single float)", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + c = {0, 1, 2, 3, 10, 0x800000, 0xaaaaaa, 0x555555, 0xffffff, 0x7fffff} + for _, b in pairs(c) do + for i = -40, 40 do + local x = bit32.lshift(b, i) + local y = math.floor(math.fmod(b * 2.0^i, 2.0^32)) + assert(math.fmod(x - y, 2.0^32) == 0) + end + end + + assert(not pcall(bit32.band, {})) + assert(not pcall(bit32.bnot, "a")) + assert(not pcall(bit32.lshift, 45)) + assert(not pcall(bit32.lshift, 45, print)) + assert(not pcall(bit32.rshift, 45, print)) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] bitwise: testing extract/replace", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(bit32.extract(0x12345678, 0, 4) == 8) + assert(bit32.extract(0x12345678, 4, 4) == 7) + assert(bit32.extract(0xa0001111, 28, 4) == 0xa) + assert(bit32.extract(0xa0001111, 31, 1) == 1) + assert(bit32.extract(0x50000111, 31, 1) == 0) + assert(bit32.extract(0xf2345679, 0, 32) == 0xf2345679) + + assert(not pcall(bit32.extract, 0, -1)) + assert(not pcall(bit32.extract, 0, 32)) + assert(not pcall(bit32.extract, 0, 0, 33)) + assert(not pcall(bit32.extract, 0, 31, 2)) + + assert(bit32.replace(0x12345678, 5, 28, 4) == 0x52345678) + assert(bit32.replace(0x12345678, 0x87654321, 0, 32) == 0x87654321) + assert(bit32.replace(0, 1, 2) == 2^2) + assert(bit32.replace(0, -1, 4) == 2^4) + assert(bit32.replace(-1, 0, 31) == (1 << 31) - 1) + assert(bit32.replace(-1, 0, 1, 2) == (1 << 32) - 7) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] bitwise: testing conversion of floats", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(bit32.bor(3.0) == 3) + assert(bit32.bor(-4.0) == 0xfffffffc) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] bitwise: large floats and large-enough integers?", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + if 2.0^50 < 2.0^50 + 1.0 and 2.0^50 < (-1 >> 1) then + assert(bit32.bor(2.0^32 - 5.0) == 0xfffffffb) + assert(bit32.bor(-2.0^32 - 6.0) == 0xfffffffa) + assert(bit32.bor(2.0^48 - 5.0) == 0xfffffffb) + assert(bit32.bor(-2.0^48 - 6.0) == 0xfffffffa) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); diff --git a/test/test-suite/calls.test.js b/test/test-suite/calls.test.js new file mode 100644 index 0000000..1604337 --- /dev/null +++ b/test/test-suite/calls.test.js @@ -0,0 +1,562 @@ +"use strict"; + +const lua = require('../../src/lua.js'); +const lauxlib = require('../../src/lauxlib.js'); +const lualib = require('../../src/lualib.js'); +const {to_luastring} = require("../../src/fengaricore.js"); + +test("[test-suite] calls: test 'type'", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(type(1<2) == 'boolean') + assert(type(true) == 'boolean' and type(false) == 'boolean') + assert(type(nil) == 'nil' + and type(-3) == 'number' + and type'x' == 'string' + and type{} == 'table' + and type(type) == 'function') + + assert(type(assert) == type(print)) + function f (x) return a:x (x) end + assert(type(f) == 'function') + assert(not pcall(type)) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] calls: test error in 'print'", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do -- test error in 'print' too... + local tostring = _ENV.tostring + + _ENV.tostring = nil + local st, msg = pcall(print, 1) + assert(st == false and string.find(msg, "attempt to call a nil value")) + + _ENV.tostring = function () return {} end + local st, msg = pcall(print, 1) + assert(st == false and string.find(msg, "must return a string")) + + _ENV.tostring = tostring + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] calls: testing local-function recursion", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + fact = false + do + local res = 1 + local function fact (n) + if n==0 then return res + else return n*fact(n-1) + end + end + assert(fact(5) == 120) + end + assert(fact == false) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] calls: testing declarations", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + a = {i = 10} + self = 20 + function a:x (x) return x+self.i end + function a.y (x) return x+self end + + assert(a:x(1)+10 == a.y(1)) + + a.t = {i=-100} + a["t"].x = function (self, a,b) return self.i+a+b end + + assert(a.t:x(2,3) == -95) + + do + local a = {x=0} + function a:add (x) self.x, a.y = self.x+x, 20; return self end + assert(a:add(10):add(20):add(30).x == 60 and a.y == 20) + end + + local a = {b={c={}}} + + function a.b.c.f1 (x) return x+1 end + function a.b.c:f2 (x,y) self[x] = y end + assert(a.b.c.f1(4) == 5) + a.b.c:f2('k', 12); assert(a.b.c.k == 12) + + + t = nil -- 'declare' t + function f(a,b,c) local d = 'a'; t={a,b,c,d} end + + f( -- this line change must be valid + 1,2) + assert(t[1] == 1 and t[2] == 2 and t[3] == nil and t[4] == 'a') + f(1,2, -- this one too + 3,4) + assert(t[1] == 1 and t[2] == 2 and t[3] == 3 and t[4] == 'a') + + function fat(x) + if x <= 1 then return 1 + else return x*load("return fat(" .. x-1 .. ")", "")() + end + end + + assert(load "load 'assert(fat(6)==720)' () ")() + a = load('return fat(5), 3') + a,b = a() + assert(a == 120 and b == 3) + + function err_on_n (n) + if n==0 then error(); exit(1); + else err_on_n (n-1); exit(1); + end + end + + do + function dummy (n) + if n > 0 then + assert(not pcall(err_on_n, n)) + dummy(n-1) + end + end + end + + dummy(10) + + function deep (n) + if n>0 then deep(n-1) end + end + deep(10) + deep(200) + + -- testing tail call + function deep (n) if n>0 then return deep(n-1) else return 101 end end + assert(deep(30000) == 101) + a = {} + function a:deep (n) if n>0 then return self:deep(n-1) else return 101 end end + assert(a:deep(30000) == 101) + + + + a = nil + (function (x) a=x end)(23) + assert(a == 23 and (function (x) return x*2 end)(20) == 40) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] calls: testing closures", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + -- fixed-point operator + Z = function (le) + local function a (f) + return le(function (x) return f(f)(x) end) + end + return a(a) + end + + + -- non-recursive factorial + + F = function (f) + return function (n) + if n == 0 then return 1 + else return n*f(n-1) end + end + end + + fat = Z(F) + + assert(fat(0) == 1 and fat(4) == 24 and Z(F)(5)==5*Z(F)(4)) + + local function g (z) + local function f (a,b,c,d) + return function (x,y) return a+b+c+d+a+x+y+z end + end + return f(z,z+1,z+2,z+3) + end + + f = g(10) + assert(f(9, 16) == 10+11+12+13+10+9+16+10) + + Z, F, f = nil + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] calls: testing multiple returns", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + function unlpack (t, i) + i = i or 1 + if (i <= #t) then + return t[i], unlpack(t, i+1) + end + end + + function equaltab (t1, t2) + assert(#t1 == #t2) + for i = 1, #t1 do + assert(t1[i] == t2[i]) + end + end + + local pack = function (...) return (table.pack(...)) end + + function f() return 1,2,30,4 end + function ret2 (a,b) return a,b end + + local a,b,c,d = unlpack{1,2,3} + assert(a==1 and b==2 and c==3 and d==nil) + a = {1,2,3,4,false,10,'alo',false,assert} + equaltab(pack(unlpack(a)), a) + equaltab(pack(unlpack(a), -1), {1,-1}) + a,b,c,d = ret2(f()), ret2(f()) + assert(a==1 and b==1 and c==2 and d==nil) + a,b,c,d = unlpack(pack(ret2(f()), ret2(f()))) + assert(a==1 and b==1 and c==2 and d==nil) + a,b,c,d = unlpack(pack(ret2(f()), (ret2(f())))) + assert(a==1 and b==1 and c==nil and d==nil) + + a = ret2{ unlpack{1,2,3}, unlpack{3,2,1}, unlpack{"a", "b"}} + assert(a[1] == 1 and a[2] == 3 and a[3] == "a" and a[4] == "b") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] calls: testing calls with 'incorrect' arguments", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + rawget({}, "x", 1) + rawset({}, "x", 1, 2) + assert(math.sin(1,2) == math.sin(1)) + table.sort({10,9,8,4,19,23,0,0}, function (a,b) return a<b end, "extra arg") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] calls: test for generic load", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local x = "-- a comment\\0\\0\\0\\n x = 10 + \\n23; \\ + local a = function () x = 'hi' end; \\ + return '\\0'" + + function read1 (x) + local i = 0 + return function () + i=i+1 + return string.sub(x, i, i) + end + end + + function cannotload (msg, a,b) + assert(not a and string.find(b, msg)) + end + + a = assert(load(read1(x), "modname", "t", _G)) + assert(a() == "\0" and _G.x == 33) + assert(debug.getinfo(a).source == "modname") + -- cannot read text in binary mode + cannotload("attempt to load a text chunk", load(read1(x), "modname", "b", {})) + cannotload("attempt to load a text chunk", load(x, "modname", "b")) + + a = assert(load(function () return nil end)) + a() -- empty chunk + + assert(not load(function () return true end)) + + local t = {nil, "return ", "3"} + f, msg = load(function () return table.remove(t, 1) end) + assert(f() == nil) -- should read the empty chunk + + f = load(string.dump(function () return 1 end), nil, "b", {}) + assert(type(f) == "function" and f() == 1) + + + x = string.dump(load("x = 1; return x")) + a = assert(load(read1(x), nil, "b")) + assert(a() == 1 and _G.x == 1) + cannotload("attempt to load a binary chunk", load(read1(x), nil, "t")) + cannotload("attempt to load a binary chunk", load(x, nil, "t")) + + assert(not pcall(string.dump, print)) -- no dump of C functions + + cannotload("unexpected symbol", load(read1("*a = 123"))) + cannotload("unexpected symbol", load("*a = 123")) + cannotload("hhi", load(function () error("hhi") end)) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] calls: any value is valid for _ENV", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(load("return _ENV", nil, nil, 123)() == 123) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] calls: load when _ENV is not first upvalue", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local x; XX = 123 + local function h () + local y=x -- use 'x', so that it becomes 1st upvalue + return XX -- global name + end + local d = string.dump(h) + x = load(d, "", "b") + assert(debug.getupvalue(x, 2) == '_ENV') + debug.setupvalue(x, 2, _G) + assert(x() == 123) + + assert(assert(load("return XX + ...", nil, nil, {XX = 13}))(4) == 17) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] calls: test generic load with nested functions", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + function read1 (x) + local i = 0 + return function () + i=i+1 + return string.sub(x, i, i) + end + end + + x = [[ + return function (x) + return function (y) + return function (z) + return x+y+z + end + end + end + ]] + + a = assert(load(read1(x))) + assert(a()(2)(3)(10) == 15) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] calls: test for dump/undump with upvalues", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local a, b = 20, 30 + x = load(string.dump(function (x) + if x == "set" then a = 10+b; b = b+1 else + return a + end + end), "", "b", nil) + assert(x() == nil) + assert(debug.setupvalue(x, 1, "hi") == "a") + assert(x() == "hi") + assert(debug.setupvalue(x, 2, 13) == "b") + assert(not debug.setupvalue(x, 3, 10)) -- only 2 upvalues + x("set") + assert(x() == 23) + x("set") + assert(x() == 24) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] calls: test for dump/undump with many upvalues", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local nup = 200 -- maximum number of local variables + local prog = {"local a1"} + for i = 2, nup do prog[#prog + 1] = ", a" .. i end + prog[#prog + 1] = " = 1" + for i = 2, nup do prog[#prog + 1] = ", " .. i end + local sum = 1 + prog[#prog + 1] = "; return function () return a1" + for i = 2, nup do prog[#prog + 1] = " + a" .. i; sum = sum + i end + prog[#prog + 1] = " end" + prog = table.concat(prog) + local f = assert(load(prog))() + assert(f() == sum) + + f = load(string.dump(f)) -- main chunk now has many upvalues + local a = 10 + local h = function () return a end + for i = 1, nup do + debug.upvaluejoin(f, i, h, 1) + end + assert(f() == 10 * nup) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] calls: test for long method names", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local t = {x = 1} + function t:_012345678901234567890123456789012345678901234567890123456789 () + return self.x + end + assert(t:_012345678901234567890123456789012345678901234567890123456789() == 1) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] calls: test for bug in parameter adjustment", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert((function () return nil end)(4) == nil) + assert((function () local a; return a end)(4) == nil) + assert((function (a) return a end)() == nil) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] calls: testing binary chunks", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local header = string.pack("c4BBc6BBBBBj", + "\\27Lua", -- signature + 5*16 + 3, -- version 5.3 + 0, -- format + "\\x19\\x93\\r\\n\\x1a\\n", -- data + string.packsize("i"), -- sizeof(int) + string.packsize("T"), -- sizeof(size_t) + 4, -- size of instruction + string.packsize("j"), -- sizeof(lua integer) + string.packsize("n"), -- sizeof(lua number) + 0x5678 -- LUAC_INT + -- LUAC_NUM may not have a unique binary representation (padding...) + ) + local c = string.dump(function () local a = 1; local b = 3; return a+b*3 end) + + assert(string.sub(c, 1, #header) == header) + + -- corrupted header + for i = 1, #header do + local s = string.sub(c, 1, i - 1) .. + string.char(string.byte(string.sub(c, i, i)) + 1) .. + string.sub(c, i + 1, -1) + assert(#s == #c) + assert(not load(s)) + end + + -- loading truncated binary chunks + for i = 1, #c - 1 do + local st, msg = load(string.sub(c, 1, i)) + assert(not st and string.find(msg, "truncated")) + end + assert(assert(load(c))() == 10) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); diff --git a/test/test-suite/closure.test.js b/test/test-suite/closure.test.js new file mode 100644 index 0000000..d44d908 --- /dev/null +++ b/test/test-suite/closure.test.js @@ -0,0 +1,246 @@ +"use strict"; + +const lua = require('../../src/lua.js'); +const lauxlib = require('../../src/lauxlib.js'); +const lualib = require('../../src/lualib.js'); +const {to_luastring} = require("../../src/fengaricore.js"); + +test("[test-suite] closure: testing equality", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + a = {} + for i = 1, 5 do a[i] = function (x) return x + a + _ENV end end + assert(a[3] == a[4] and a[4] == a[5]) + + for i = 1, 5 do a[i] = function (x) return i + a + _ENV end end + assert(a[3] ~= a[4] and a[4] ~= a[5]) + + local function f() + return function (x) return math.sin(_ENV[x]) end + end + assert(f() == f()) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] closure: testing closures with 'for' control variable", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + a = {} + for i=1,10 do + a[i] = {set = function(x) i=x end, get = function () return i end} + if i == 3 then break end + end + assert(a[4] == nil) + a[1].set(10) + assert(a[2].get() == 2) + a[2].set('a') + assert(a[3].get() == 3) + assert(a[2].get() == 'a') + + a = {} + local t = {"a", "b"} + for i = 1, #t do + local k = t[i] + a[i] = {set = function(x, y) i=x; k=y end, + get = function () return i, k end} + if i == 2 then break end + end + a[1].set(10, 20) + local r,s = a[2].get() + assert(r == 2 and s == 'b') + r,s = a[1].get() + assert(r == 10 and s == 20) + a[2].set('a', 'b') + r,s = a[2].get() + assert(r == "a" and s == "b") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] closure: testing closures with 'for' control variable x break", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local t = {"a", "b"} + + for i=1,3 do + f = function () return i end + break + end + assert(f() == 1) + + for k = 1, #t do + local v = t[k] + f = function () return k, v end + break + end + assert(({f()})[1] == 1) + assert(({f()})[2] == "a") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] closure: testing closure x break x return x errors", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local b + function f(x) + local first = 1 + while 1 do + if x == 3 and not first then return end + local a = 'xuxu' + b = function (op, y) + if op == 'set' then + a = x+y + else + return a + end + end + if x == 1 then do break end + elseif x == 2 then return + else if x ~= 3 then error() end + end + first = nil + end + end + + for i=1,3 do + f(i) + assert(b('get') == 'xuxu') + b('set', 10); assert(b('get') == 10+i) + b = nil + end + + pcall(f, 4); + assert(b('get') == 'xuxu') + b('set', 10); assert(b('get') == 14) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] closure: testing multi-level closure", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local w + function f(x) + return function (y) + return function (z) return w+x+y+z end + end + end + + y = f(10) + w = 1.345 + assert(y(20)(30) == 60+w) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] closure: testing closures x repeat-until", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local a = {} + local i = 1 + repeat + local x = i + a[i] = function () i = x+1; return x end + until i > 10 or a[i]() ~= x + assert(i == 11 and a[1]() == 1 and a[3]() == 3 and i == 4) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] closure: testing closures created in 'then' and 'else' parts of 'if's", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + a = {} + for i = 1, 10 do + if i % 3 == 0 then + local y = 0 + a[i] = function (x) local t = y; y = x; return t end + elseif i % 3 == 1 then + goto L1 + error'not here' + ::L1:: + local y = 1 + a[i] = function (x) local t = y; y = x; return t end + elseif i % 3 == 2 then + local t + goto l4 + ::l4a:: a[i] = t; goto l4b + error("should never be here!") + ::l4:: + local y = 2 + t = function (x) local t = y; y = x; return t end + goto l4a + error("should never be here!") + ::l4b:: + end + end + + for i = 1, 10 do + assert(a[i](i * 10) == i % 3 and a[i]() == i * 10) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] closure: test for correctly closing upvalues in tail calls of vararg functions", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function t () + local function c(a,b) assert(a=="test" and b=="OK") end + local function v(f, ...) c("test", f() ~= 1 and "FAILED" or "OK") end + local x = 1 + return v(function() return x end) + end + t() + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); diff --git a/test/test-suite/code.test.js b/test/test-suite/code.test.js new file mode 100644 index 0000000..377dd63 --- /dev/null +++ b/test/test-suite/code.test.js @@ -0,0 +1,383 @@ +"use strict"; + +const lua = require('../../src/lua.js'); +const lauxlib = require('../../src/lauxlib.js'); +const lualib = require('../../src/lualib.js'); +const {to_luastring} = require("../../src/fengaricore.js"); + +const ltests = require('./ltests.js'); + +test("[test-suite] code: testing reuse in constant table", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function checkKlist (func, list) + local k = T.listk(func) + assert(#k == #list) + for i = 1, #k do + assert(k[i] == list[i] and math.type(k[i]) == math.type(list[i])) + end + end + + local function foo () + local a + a = 3; + a = 0; a = 0.0; a = -7 + 7 + a = 3.78/4; a = 3.78/4 + a = -3.78/4; a = 3.78/4; a = -3.78/4 + a = -3.79/4; a = 0.0; a = -0; + a = 3; a = 3.0; a = 3; a = 3.0 + end + + checkKlist(foo, {3, 0, 0.0, 3.78/4, -3.78/4, -3.79/4, 3.0}) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +const prefix = ` + function check (f, ...) + local arg = {...} + local c = T.listcode(f) + for i=1, #arg do + -- print(arg[i], c[i]) + assert(string.find(c[i], '- '..arg[i]..' *%d')) + end + assert(c[#arg+2] == nil) + end + + + function checkequal (a, b) + a = T.listcode(a) + b = T.listcode(b) + for i = 1, #a do + a[i] = string.gsub(a[i], '%b()', '') -- remove line number + b[i] = string.gsub(b[i], '%b()', '') -- remove line number + assert(a[i] == b[i]) + end + end +`; + + +test("[test-suite] code: some basic instructions", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + check(function () + (function () end){f()} + end, 'CLOSURE', 'NEWTABLE', 'GETTABUP', 'CALL', 'SETLIST', 'CALL', 'RETURN') + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] code: sequence of LOADNILs", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + check(function () + local a,b,c + local d; local e; + local f,g,h; + d = nil; d=nil; b=nil; a=nil; c=nil; + end, 'LOADNIL', 'RETURN') + + check(function () + local a,b,c,d = 1,1,1,1 + d=nil;c=nil;b=nil;a=nil + end, 'LOADK', 'LOADK', 'LOADK', 'LOADK', 'LOADNIL', 'RETURN') + + do + local a,b,c,d = 1,1,1,1 + d=nil;c=nil;b=nil;a=nil + assert(a == nil and b == nil and c == nil and d == nil) + end + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] code: single return", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + check (function (a,b,c) return a end, 'RETURN') + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] code: infinite loops", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + check(function () while true do local a = -1 end end, + 'LOADK', 'JMP', 'RETURN') + + check(function () while 1 do local a = -1 end end, + 'LOADK', 'JMP', 'RETURN') + + check(function () repeat local x = 1 until true end, + 'LOADK', 'RETURN') + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] code: concat optimization", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + check(function (a,b,c,d) return a..b..c..d end, + 'MOVE', 'MOVE', 'MOVE', 'MOVE', 'CONCAT', 'RETURN') + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] code: not", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + check(function () return not not nil end, 'LOADBOOL', 'RETURN') + check(function () return not not false end, 'LOADBOOL', 'RETURN') + check(function () return not not true end, 'LOADBOOL', 'RETURN') + check(function () return not not 1 end, 'LOADBOOL', 'RETURN') + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] code: direct access to locals", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + check(function () + local a,b,c,d + a = b*2 + c[2], a[b] = -((a + d/2 - a[b]) ^ a.x), b + end, + 'LOADNIL', + 'MUL', + 'DIV', 'ADD', 'GETTABLE', 'SUB', 'GETTABLE', 'POW', + 'UNM', 'SETTABLE', 'SETTABLE', 'RETURN') + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] code: direct access to constants", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + check(function () + local a,b + a.x = 3.2 + a.x = b + a[b] = 'x' + end, + 'LOADNIL', 'SETTABLE', 'SETTABLE', 'SETTABLE', 'RETURN') + + check(function () + local a,b + a = 1 - a + b = 1/a + b = 5-4 + end, + 'LOADNIL', 'SUB', 'DIV', 'LOADK', 'RETURN') + + check(function () + local a,b + a[true] = false + end, + 'LOADNIL', 'SETTABLE', 'RETURN') + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] code: constant folding", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function checkK (func, val) + check(func, 'LOADK', 'RETURN') + local k = T.listk(func) + assert(#k == 1 and k[1] == val and math.type(k[1]) == math.type(val)) + assert(func() == val) + end + checkK(function () return 0.0 end, 0.0) + checkK(function () return 0 end, 0) + checkK(function () return -0//1 end, 0) + checkK(function () return 3^-1 end, 1/3) + checkK(function () return (1 + 1)^(50 + 50) end, 2^100) + checkK(function () return (-2)^(31 - 2) end, -0x20000000 + 0.0) + checkK(function () return (-3^0 + 5) // 3.0 end, 1.0) + checkK(function () return -3 % 5 end, 2) + checkK(function () return -((2.0^8 + -(-1)) % 8)/2 * 4 - 3 end, -5.0) + checkK(function () return -((2^8 + -(-1)) % 8)//2 * 4 - 3 end, -7.0) + checkK(function () return 0xF0.0 | 0xCC.0 ~ 0xAA & 0xFD end, 0xF4) + checkK(function () return ~(~0xFF0 | 0xFF0) end, 0) + checkK(function () return ~~-100024.0 end, -100024) + checkK(function () return ((100 << 6) << -4) >> 2 end, 100) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] code: no folding", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + check(function () return -0.0 end, 'LOADK', 'UNM', 'RETURN') + check(function () return 3/0 end, 'DIV', 'RETURN') + check(function () return 0%0 end, 'MOD', 'RETURN') + check(function () return -4//0 end, 'IDIV', 'RETURN') + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] code: bug in constant folding for 5.1", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + check(function () return -nil end, 'LOADNIL', 'UNM', 'RETURN') + + + check(function () + local a,b,c + b[c], a = c, b + b[a], a = c, b + a, b = c, a + a = a + end, + 'LOADNIL', + 'MOVE', 'MOVE', 'SETTABLE', + 'MOVE', 'MOVE', 'MOVE', 'SETTABLE', + 'MOVE', 'MOVE', 'MOVE', + -- no code for a = a + 'RETURN') + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] code: x == nil , x ~= nil", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + checkequal(function () if (a==nil) then a=1 end; if a~=nil then a=1 end end, + function () if (a==9) then a=1 end; if a~=9 then a=1 end end) + + check(function () if a==nil then a='a' end end, + 'GETTABUP', 'EQ', 'JMP', 'SETTABUP', 'RETURN') + + checkequal(function () local a; if not (a or b) then b=a end end, + function () local a; if (not a and not b) then b=a end end) + + checkequal(function (l) local a; return 0 <= a and a <= l end, + function (l) local a; return not (not(a >= 0) or not(a <= l)) end) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] code: if-goto optimizations", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + check(function (a, b, c, d, e) + if a == b then goto l1 + elseif a == c then goto l2 + elseif a == d then goto l2 + else if a == e then goto l3 + else goto l3 + end + end + ::l1:: ::l2:: ::l3:: ::l4:: + end, 'EQ', 'JMP', 'EQ', 'JMP', 'EQ', 'JMP', 'EQ', 'JMP', 'JMP', 'RETURN') + + checkequal( + function (a) while a < 10 do a = a + 1 end end, + function (a) ::L2:: if not(a < 10) then goto L1 end; a = a + 1; + goto L2; ::L1:: end + ) + + checkequal( + function (a) while a < 10 do a = a + 1 end end, + function (a) while true do if not(a < 10) then break end; a = a + 1; end end + ) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); diff --git a/test/test-suite/constructs.test.js b/test/test-suite/constructs.test.js new file mode 100644 index 0000000..e79778a --- /dev/null +++ b/test/test-suite/constructs.test.js @@ -0,0 +1,367 @@ +"use strict"; + +const lua = require('../../src/lua.js'); +const lauxlib = require('../../src/lauxlib.js'); +const lualib = require('../../src/lualib.js'); +const {to_luastring} = require("../../src/fengaricore.js"); + +const checkload = ` + local function checkload (s, msg) + assert(string.find(select(2, load(s)), msg)) + end +`; + +test('[test-suite] constructs: testing semicolons', () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do ;;; end + ; do ; a = 3; assert(a == 3) end; + ; + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(checkload + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test('[test-suite] constructs: invalid operations should not raise errors when not executed', () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + if false then a = 3 // 0; a = 0 % 0 end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(checkload + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test('[test-suite] constructs: testing priorities', () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(2^3^2 == 2^(3^2)); + assert(2^3*4 == (2^3)*4); + assert(2.0^-2 == 1/4 and -2^- -2 == - - -4); + assert(not nil and 2 and not(2>3 or 3<2)); + assert(-3-1-5 == 0+0-9); + assert(-2^2 == -4 and (-2)^2 == 4 and 2*2-3-1 == 0); + assert(-3%5 == 2 and -3+5 == 2) + assert(2*1+3/3 == 3 and 1+2 .. 3*1 == "33"); + assert(not(2+1 > 3*1) and "a".."b" > "a"); + + assert("7" .. 3 << 1 == 146) + assert(10 >> 1 .. "9" == 0) + assert(10 | 1 .. "9" == 27) + + assert(0xF0 | 0xCC ~ 0xAA & 0xFD == 0xF4) + assert(0xFD & 0xAA ~ 0xCC | 0xF0 == 0xF4) + assert(0xF0 & 0x0F + 1 == 0x10) + + assert(3^4//2^3//5 == 2) + + assert(-3+4*5//2^3^2//9+4%10/3 == (-3)+(((4*5)//(2^(3^2)))//9)+((4%10)/3)) + + assert(not ((true or false) and nil)) + assert( true or false and nil) + + -- old bug + assert((((1 or false) and true) or false) == true) + assert((((nil and true) or false) and true) == false) + + local a,b = 1,nil; + assert(-(1 or 2) == -1 and (1 and 2)+(-1.25 or -4) == 0.75); + x = ((b or a)+1 == 2 and (10 or a)+1 == 11); assert(x); + x = (((2<3) or 1) == true and (2<3 and 4) == 4); assert(x); + + x,y=1,2; + assert((x>y) and x or y == 2); + x,y=2,1; + assert((x>y) and x or y == 2); + + assert(1234567890 == tonumber('1234567890') and 1234567890+1 == 1234567891) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(checkload + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test('[test-suite] constructs: silly loops', () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + repeat until 1; repeat until true; + while false do end; while nil do end; + + do -- test old bug (first name could not be an 'upvalue') + local a; function f(x) x={a=1}; x={x=1}; x={G=1} end + end + + function f (i) + if type(i) ~= 'number' then return i,'jojo'; end; + if i > 0 then return i, f(i-1); end; + end + + x = {f(3), f(5), f(10);}; + assert(x[1] == 3 and x[2] == 5 and x[3] == 10 and x[4] == 9 and x[12] == 1); + assert(x[nil] == nil) + x = {f'alo', f'xixi', nil}; + assert(x[1] == 'alo' and x[2] == 'xixi' and x[3] == nil); + x = {f'alo'..'xixi'}; + assert(x[1] == 'aloxixi') + x = {f{}} + assert(x[2] == 'jojo' and type(x[1]) == 'table') + + + local f = function (i) + if i < 10 then return 'a'; + elseif i < 20 then return 'b'; + elseif i < 30 then return 'c'; + end; + end + + assert(f(3) == 'a' and f(12) == 'b' and f(26) == 'c' and f(100) == nil) + + for i=1,1000 do break; end; + n=100; + i=3; + t = {}; + a=nil + while not a do + a=0; for i=1,n do for i=i,1,-1 do a=a+1; t[i]=1; end; end; + end + assert(a == n*(n+1)/2 and i==3); + assert(t[1] and t[n] and not t[0] and not t[n+1]) + + function f(b) + local x = 1; + repeat + local a; + if b==1 then local b=1; x=10; break + elseif b==2 then x=20; break; + elseif b==3 then x=30; + else local a,b,c,d=math.sin(1); x=x+1; + end + until x>=12; + return x; + end; + + assert(f(1) == 10 and f(2) == 20 and f(3) == 30 and f(4)==12) + + + local f = function (i) + if i < 10 then return 'a' + elseif i < 20 then return 'b' + elseif i < 30 then return 'c' + else return 8 + end + end + + assert(f(3) == 'a' and f(12) == 'b' and f(26) == 'c' and f(100) == 8) + + local a, b = nil, 23 + x = {f(100)*2+3 or a, a or b+2} + assert(x[1] == 19 and x[2] == 25) + x = {f=2+3 or a, a = b+2} + assert(x.f == 5 and x.a == 25) + + a={y=1} + x = {a.y} + assert(x[1] == 1) + + function f(i) + while 1 do + if i>0 then i=i-1; + else return; end; + end; + end; + + function g(i) + while 1 do + if i>0 then i=i-1 + else return end + end + end + + f(10); g(10); + + do + function f () return 1,2,3; end + local a, b, c = f(); + assert(a==1 and b==2 and c==3) + a, b, c = (f()); + assert(a==1 and b==nil and c==nil) + end + + local a,b = 3 and f(); + assert(a==1 and b==nil) + + function g() f(); return; end; + assert(g() == nil) + function g() return nil or f() end + a,b = g() + assert(a==1 and b==nil) + + f = [[ + return function ( a , b , c , d , e ) + local x = a >= b or c or ( d and e ) or nil + return x + end , { a = 1 , b = 2 >= 1 , } or { 1 }; + ]] + f = string.gsub(f, "%s+", "\\n"); -- force a SETLINE between opcodes + f,a = load(f)(); + assert(a.a == 1 and a.b) + + function g (a,b,c,d,e) + if not (a>=b or c or d and e or nil) then return 0; else return 1; end; + end + + function h (a,b,c,d,e) + while (a>=b or c or (d and e) or nil) do return 1; end; + return 0; + end; + + assert(f(2,1) == true and g(2,1) == 1 and h(2,1) == 1) + assert(f(1,2,'a') == 'a' and g(1,2,'a') == 1 and h(1,2,'a') == 1) + assert(f(1,2,'a') + ~= -- force SETLINE before nil + nil, "") + assert(f(1,2,'a') == 'a' and g(1,2,'a') == 1 and h(1,2,'a') == 1) + assert(f(1,2,nil,1,'x') == 'x' and g(1,2,nil,1,'x') == 1 and + h(1,2,nil,1,'x') == 1) + assert(f(1,2,nil,nil,'x') == nil and g(1,2,nil,nil,'x') == 0 and + h(1,2,nil,nil,'x') == 0) + assert(f(1,2,nil,1,nil) == nil and g(1,2,nil,1,nil) == 0 and + h(1,2,nil,1,nil) == 0) + + assert(1 and 2<3 == true and 2<3 and 'a'<'b' == true) + x = 2<3 and not 3; assert(x==false) + x = 2<1 or (2>1 and 'a'); assert(x=='a') + + + do + local a; if nil then a=1; else a=2; end; -- this nil comes as PUSHNIL 2 + assert(a==2) + end + + function F(a) + assert(debug.getinfo(1, "n").name == 'F') + return a,2,3 + end + + a,b = F(1)~=nil; assert(a == true and b == nil); + a,b = F(nil)==nil; assert(a == true and b == nil) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(checkload + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + +test.skip('[test-suite] constructs: huge loops, upvalue', () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + -- sometimes will be 0, sometimes will not... + _ENV.GLOB1 = math.floor(os.time()) % 2 + + -- basic expressions with their respective values + local basiccases = { + {"nil", nil}, + {"false", false}, + {"true", true}, + {"10", 10}, + {"(0==_ENV.GLOB1)", 0 == _ENV.GLOB1}, + } + + print('testing short-circuit optimizations (' .. _ENV.GLOB1 .. ')') + + + -- operators with their respective values + local binops = { + {" and ", function (a,b) if not a then return a else return b end end}, + {" or ", function (a,b) if a then return a else return b end end}, + } + + local cases = {} + + -- creates all combinations of '(cases[i] op cases[n-i])' plus + -- 'not(cases[i] op cases[n-i])' (syntax + value) + local function createcases (n) + local res = {} + for i = 1, n - 1 do + for _, v1 in ipairs(cases[i]) do + for _, v2 in ipairs(cases[n - i]) do + for _, op in ipairs(binops) do + local t = { + "(" .. v1[1] .. op[1] .. v2[1] .. ")", + op[2](v1[2], v2[2]) + } + res[#res + 1] = t + res[#res + 1] = {"not" .. t[1], not t[2]} + end + end + end + end + return res + end + + -- do not do too many combinations for soft tests + local level = _soft and 3 or 4 + + cases[1] = basiccases + for i = 2, level do cases[i] = createcases(i) end + + local prog = [[if %s then IX = true end; return %s]] + + local i = 0 + for n = 1, level do + for _, v in pairs(cases[n]) do + local s = v[1] + local p = load(string.format(prog, s, s), "") + IX = false + assert(p() == v[2] and IX == not not v[2]) + i = i + 1 + -- if i % 60000 == 0 then print('+') end + end + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(checkload + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] constructs: testing some syntax errors (chosen through 'gcov')", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + _soft = true + + checkload("for x do", "expected") + checkload("x:call", "expected") + + if not _soft then + -- control structure too long + local s = string.rep("a = a + 1\\n", 2^18) + s = "while true do " .. s .. "end" + checkload(s, "too long") + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(checkload + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); diff --git a/test/test-suite/coroutine.test.js b/test/test-suite/coroutine.test.js new file mode 100644 index 0000000..de92317 --- /dev/null +++ b/test/test-suite/coroutine.test.js @@ -0,0 +1,1231 @@ +"use strict"; + +const lua = require('../../src/lua.js'); +const lauxlib = require('../../src/lauxlib.js'); +const lualib = require('../../src/lualib.js'); +const {to_luastring} = require("../../src/fengaricore.js"); + +const ltests = require('./ltests.js'); + +const prefix = ` + mt = { + __eq = function(a,b) coroutine.yield(nil, "eq"); return a.x == b.x end, + __lt = function(a,b) coroutine.yield(nil, "lt"); return a.x < b.x end, + __le = function(a,b) coroutine.yield(nil, "le"); return a - b <= 0 end, + __add = function(a,b) coroutine.yield(nil, "add"); return a.x + b.x end, + __sub = function(a,b) coroutine.yield(nil, "sub"); return a.x - b.x end, + __mod = function(a,b) coroutine.yield(nil, "mod"); return a.x % b.x end, + __unm = function(a,b) coroutine.yield(nil, "unm"); return -a.x end, + __bnot = function(a,b) coroutine.yield(nil, "bnot"); return ~a.x end, + __shl = function(a,b) coroutine.yield(nil, "shl"); return a.x << b.x end, + __shr = function(a,b) coroutine.yield(nil, "shr"); return a.x >> b.x end, + __band = function(a,b) + a = type(a) == "table" and a.x or a + b = type(b) == "table" and b.x or b + coroutine.yield(nil, "band") + return a & b + end, + __bor = function(a,b) coroutine.yield(nil, "bor"); return a.x | b.x end, + __bxor = function(a,b) coroutine.yield(nil, "bxor"); return a.x ~ b.x end, + + __concat = function(a,b) + coroutine.yield(nil, "concat"); + a = type(a) == "table" and a.x or a + b = type(b) == "table" and b.x or b + return a .. b + end, + __index = function (t,k) coroutine.yield(nil, "idx"); return t.k[k] end, + __newindex = function (t,k,v) coroutine.yield(nil, "nidx"); t.k[k] = v end, + } + + + local function new (x) + return setmetatable({x = x, k = {}}, mt) + end + + local function run (f, t) + local i = 1 + local c = coroutine.wrap(f) + while true do + local res, stat = c() + if res then assert(t[i] == nil); return res, t end + assert(stat == t[i]) + i = i + 1 + end + end +`; + +test("[test-suite] coroutine: is main thread", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local main, ismain = coroutine.running() + assert(type(main) == "thread" and ismain) + assert(not coroutine.resume(main)) + assert(not coroutine.isyieldable()) + assert(not pcall(coroutine.yield)) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: trivial errors", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(not pcall(coroutine.resume, 0)) + assert(not pcall(coroutine.status, 0)) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: tests for multiple yield/resume arguments", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function eqtab (t1, t2) + assert(#t1 == #t2) + for i = 1, #t1 do + local v = t1[i] + assert(t2[i] == v) + end + end + + _G.x = nil -- declare x + function foo (a, ...) + local x, y = coroutine.running() + assert(x == f and y == false) + -- next call should not corrupt coroutine (but must fail, + -- as it attempts to resume the running coroutine) + assert(coroutine.resume(f) == false) + assert(coroutine.status(f) == "running") + local arg = {...} + assert(coroutine.isyieldable()) + for i=1,#arg do + _G.x = {coroutine.yield(table.unpack(arg[i]))} + end + return table.unpack(a) + end + + f = coroutine.create(foo) + assert(type(f) == "thread" and coroutine.status(f) == "suspended") + assert(string.find(tostring(f), "thread")) + local s,a,b,c,d + s,a,b,c,d = coroutine.resume(f, {1,2,3}, {}, {1}, {'a', 'b', 'c'}) + assert(s and a == nil and coroutine.status(f) == "suspended") + s,a,b,c,d = coroutine.resume(f) + eqtab(_G.x, {}) + assert(s and a == 1 and b == nil) + s,a,b,c,d = coroutine.resume(f, 1, 2, 3) + eqtab(_G.x, {1, 2, 3}) + assert(s and a == 'a' and b == 'b' and c == 'c' and d == nil) + s,a,b,c,d = coroutine.resume(f, "xuxu") + eqtab(_G.x, {"xuxu"}) + assert(s and a == 1 and b == 2 and c == 3 and d == nil) + assert(coroutine.status(f) == "dead") + s, a = coroutine.resume(f, "xuxu") + assert(not s and string.find(a, "dead") and coroutine.status(f) == "dead") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: yields in tail calls", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function foo (i) return coroutine.yield(i) end + f = coroutine.wrap(function () + for i=1,10 do + assert(foo(i) == _G.x) + end + return 'a' + end) + for i=1,10 do _G.x = i; assert(f(i) == i) end + _G.x = 'xuxu'; assert(f('xuxu') == 'a') + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: recursive", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + function pf (n, i) + coroutine.yield(n) + pf(n*i, i+1) + end + + f = coroutine.wrap(pf) + local s=1 + for i=1,10 do + assert(f(1, 1) == s) + s = s*i + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: sieve", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + function gen (n) + return coroutine.wrap(function () + for i=2,n do coroutine.yield(i) end + end) + end + + + function filter (p, g) + return coroutine.wrap(function () + while 1 do + local n = g() + if n == nil then return end + if math.fmod(n, p) ~= 0 then coroutine.yield(n) end + end + end) + end + + local x = gen(100) + local a = {} + while 1 do + local n = x() + if n == nil then break end + table.insert(a, n) + x = filter(n, x) + end + + assert(#a == 25 and a[#a] == 97) + x, a = nil + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: yielding across JS boundaries", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local f = function (s, i) return coroutine.yield(i) end + + local f1 = coroutine.wrap(function () + return xpcall(pcall, function (...) return ... end, + function () + local s = 0 + for i in f, nil, 1 do pcall(function () s = s + i end) end + error({s}) + end) + end) + + f1() + for i = 1, 10 do assert(f1(i) == i) end + local r1, r2, v = f1(nil) + assert(r1 and not r2 and v[1] == (10 + 1)*10/2) + + + function f (a, b) a = coroutine.yield(a); error{a + b} end + function g(x) return x[1]*2 end + + co = coroutine.wrap(function () + coroutine.yield(xpcall(f, g, 10, 20)) + end) + + assert(co() == 10) + r, msg = co(100) + assert(not r and msg == 240) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: unyieldable JS call", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local function f (c) + assert(not coroutine.isyieldable()) + return c .. c + end + + local co = coroutine.wrap(function (c) + assert(coroutine.isyieldable()) + local s = string.gsub("a", ".", f) + return s + end) + assert(co() == "aa") + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: errors in coroutines", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + function foo () + assert(debug.getinfo(1).currentline == debug.getinfo(foo).linedefined + 1) + assert(debug.getinfo(2).currentline == debug.getinfo(goo).linedefined) + coroutine.yield(3) + error(foo) + end + + function goo() foo() end + x = coroutine.wrap(goo) + assert(x() == 3) + local a,b = pcall(x) + assert(not a and b == foo) + + x = coroutine.create(goo) + a,b = coroutine.resume(x) + assert(a and b == 3) + a,b = coroutine.resume(x) + assert(not a and b == foo and coroutine.status(x) == "dead") + a,b = coroutine.resume(x) + assert(not a and string.find(b, "dead") and coroutine.status(x) == "dead") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: co-routines x for loop", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + function all (a, n, k) + if k == 0 then coroutine.yield(a) + else + for i=1,n do + a[k] = i + all(a, n, k-1) + end + end + end + + local a = 0 + for t in coroutine.wrap(function () all({}, 5, 4) end) do + a = a+1 + end + assert(a == 5^4) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: old bug: attempt to resume itself", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + function co_func (current_co) + assert(coroutine.running() == current_co) + assert(coroutine.resume(current_co) == false) + coroutine.yield(10, 20) + assert(coroutine.resume(current_co) == false) + coroutine.yield(23) + return 10 + end + + local co = coroutine.create(co_func) + local a,b,c = coroutine.resume(co, co) + assert(a == true and b == 10 and c == 20) + a,b = coroutine.resume(co, co) + assert(a == true and b == 23) + a,b = coroutine.resume(co, co) + assert(a == true and b == 10) + assert(coroutine.resume(co, co) == false) + assert(coroutine.resume(co, co) == false) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: old bug: other old bug when attempting to resume itself", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local A = coroutine.running() + local B = coroutine.create(function() return coroutine.resume(A) end) + local st, res = coroutine.resume(B) + assert(st == true and res == false) + + A = coroutine.wrap(function() return pcall(A, 1) end) + st, res = A() + assert(not st and string.find(res, "non%-suspended")) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: attempt to resume 'normal' coroutine", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local co1, co2 + co1 = coroutine.create(function () return co2() end) + co2 = coroutine.wrap(function () + assert(coroutine.status(co1) == 'normal') + assert(not coroutine.resume(co1)) + coroutine.yield(3) + end) + + a,b = coroutine.resume(co1) + assert(a and b == 3) + assert(coroutine.status(co1) == 'dead') + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: infinite recursion of coroutines", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + a = function(a) coroutine.wrap(a)(a) end + assert(not pcall(a, a)) + a = nil + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: access to locals of erroneous coroutines", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local x = coroutine.create (function () + local a = 10 + _G.f = function () a=a+1; return a end + error('x') + end) + + assert(not coroutine.resume(x)) + -- overwrite previous position of local 'a' + assert(not coroutine.resume(x, 1, 1, 1, 1, 1, 1, 1)) + assert(_G.f() == 11) + assert(_G.f() == 12) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + +test("[test-suite] coroutine: leaving a pending coroutine open", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + _X = coroutine.wrap(function () + local a = 10 + local x = function () a = a+1 end + coroutine.yield() + end) + + _X() + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: stack overflow", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + -- bug (stack overflow) + local j = 2^9 + local lim = 1000000 -- (C stack limit; assume 32-bit machine) + local t = {lim - 10, lim - 5, lim - 1, lim, lim + 1} + for i = 1, #t do + local j = t[i] + co = coroutine.create(function() + local t = {} + for i = 1, j do t[i] = i end + return table.unpack(t) + end) + local r, msg = coroutine.resume(co) + assert(not r) + end + co = nil + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: testing yields inside metamethods", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local a = new(10) + local b = new(12) + local c = new"hello" + + assert(run(function () if (a>=b) then return '>=' else return '<' end end, + {"le", "sub"}) == "<") + -- '<=' using '<' + mt.__le = nil + assert(run(function () if (a<=b) then return '<=' else return '>' end end, + {"lt"}) == "<=") + assert(run(function () if (a==b) then return '==' else return '~=' end end, + {"eq"}) == "~=") + + assert(run(function () return a & b + a end, {"add", "band"}) == 2) + + assert(run(function () return a % b end, {"mod"}) == 10) + + assert(run(function () return ~a & b end, {"bnot", "band"}) == ~10 & 12) + assert(run(function () return a | b end, {"bor"}) == 10 | 12) + assert(run(function () return a ~ b end, {"bxor"}) == 10 ~ 12) + assert(run(function () return a << b end, {"shl"}) == 10 << 12) + assert(run(function () return a >> b end, {"shr"}) == 10 >> 12) + + assert(run(function () return a..b end, {"concat"}) == "1012") + + assert(run(function() return a .. b .. c .. a end, + {"concat", "concat", "concat"}) == "1012hello10") + + assert(run(function() return "a" .. "b" .. a .. "c" .. c .. b .. "x" end, + {"concat", "concat", "concat"}) == "ab10chello12x") + + assert(run(function () + a.BB = print + return a.BB + end, {"nidx", "idx"}) == print) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: tests for comparsion operators", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local mt1 = { + __le = function (a,b) + coroutine.yield(10) + return + (type(a) == "table" and a.x or a) <= (type(b) == "table" and b.x or b) + end, + __lt = function (a,b) + coroutine.yield(10) + return + (type(a) == "table" and a.x or a) < (type(b) == "table" and b.x or b) + end, + } + local mt2 = { __lt = mt1.__lt } -- no __le + + local function run (f) + local co = coroutine.wrap(f) + local res + repeat + res = co() + until res ~= 10 + return res + end + + local function test () + local a1 = setmetatable({x=1}, mt1) + local a2 = setmetatable({x=2}, mt2) + assert(a1 < a2) + assert(a1 <= a2) + assert(1 < a2) + assert(1 <= a2) + assert(2 > a1) + assert(2 >= a2) + return true + end + + run(test) + + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: getuptable & setuptable", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do local _ENV = _ENV + f = function () AAA = BBB + 1; return AAA end + end + g = new(10); g.k.BBB = 10; + debug.setupvalue(f, 1, g) + assert(run(f, {"idx", "nidx", "idx"}) == 11) + assert(g.k.AAA == 11) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: testing yields inside 'for' iterators", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local f = function (s, i) + if i%2 == 0 then coroutine.yield(nil, "for") end + if i < s then return i + 1 end + end + + assert(run(function () + local s = 0 + for i in f, 4, 0 do s = s + i end + return s + end, {"for", "for", "for"}) == 10) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +const jsprefix = ` + T = require('T') + + function fact (t, x) + assert(turn == t) + if x == 0 then return 1 + else return x*fact(t, x-1) + end + end +`; + +test("[test-suite] coroutine: testing yields inside hooks", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local A, B = 0, 0 + + local x = coroutine.create(function () + T.sethook("yield 0", "", 2) + A = fact("A", 6) + end) + + local y = coroutine.create(function () + T.sethook("yield 0", "", 3) + B = fact("B", 7) + end) + + while A==0 or B==0 do -- A ~= 0 when 'x' finishes (similar for 'B','y') + if A==0 then turn = "A"; assert(T.resume(x)) end + if B==0 then turn = "B"; assert(T.resume(y)) end + end + + assert(B // A == 7) -- fact(7) // fact(6) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(jsprefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: testing yields inside line hook", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local line = debug.getinfo(1, "l").currentline + 2 -- get line number + local function foo () + local x = 10 --<< this line is 'line' + x = x + 10 + _G.XX = x + end + + -- testing yields in line hook + local co = coroutine.wrap(function () + T.sethook("setglobal X; yield 0", "l", 0); foo(); return 10 end) + + _G.XX = nil; + _G.X = nil; co(); assert(_G.X == line) + _G.X = nil; co(); assert(_G.X == line + 1) + _G.X = nil; co(); assert(_G.X == line + 2 and _G.XX == nil) + _G.X = nil; co(); assert(_G.X == line + 3 and _G.XX == 20) + assert(co() == 10) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(jsprefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: testing yields in count hook", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local line = debug.getinfo(1, "l").currentline + 2 -- get line number + local function foo () + local x = 10 --<< this line is 'line' + x = x + 10 + _G.XX = x + end + + -- testing yields in count hook + co = coroutine.wrap(function () + T.sethook("yield 0", "", 1); foo(); return 10 end) + + _G.XX = nil; + local c = 0 + repeat c = c + 1; local a = co() until a == 10 + assert(_G.XX == 20 and c >= 5) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(jsprefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: testing yields inside line hook", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local line = debug.getinfo(1, "l").currentline + 2 -- get line number + local function foo () + local x = 10 --<< this line is 'line' + x = x + 10 + _G.XX = x + end + + -- testing yields in count hook + co = coroutine.wrap(function () + T.sethook("yield 0", "", 1); foo(); return 10 end) + + _G.XX = nil; + local c = 0 + repeat c = c + 1; local a = co() until a == 10 + assert(_G.XX == 20 and c >= 5) + + co = coroutine.wrap(function () + T.sethook("yield 0", "", 2); foo(); return 10 end) + + _G.XX = nil; + local c = 0 + repeat c = c + 1; local a = co() until a == 10 + assert(_G.XX == 20 and c >= 5) + _G.X = nil; _G.XX = nil + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(jsprefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: testing debug library on a coroutine suspended inside a hook", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + -- testing debug library on a coroutine suspended inside a hook + -- (bug in 5.2/5.3) + c = coroutine.create(function (a, ...) + T.sethook("yield 0", "l") -- will yield on next two lines + assert(a == 10) + return ... + end) + + assert(coroutine.resume(c, 1, 2, 3)) -- start coroutine + local n,v = debug.getlocal(c, 0, 1) -- check its local + assert(n == "a" and v == 1) + n,v = debug.getlocal(c, 0, -1) -- check varargs + assert(v == 2) + n,v = debug.getlocal(c, 0, -2) + assert(v == 3) + assert(debug.setlocal(c, 0, 1, 10)) -- test 'setlocal' + assert(debug.setlocal(c, 0, -2, 20)) + local t = debug.getinfo(c, 0) -- test 'getinfo' + assert(t.currentline == t.linedefined + 1) + assert(not debug.getinfo(c, 1)) -- no other level + assert(coroutine.resume(c)) -- run next line + v = {coroutine.resume(c)} -- finish coroutine + assert(v[1] == true and v[2] == 2 and v[3] == 20 and v[4] == nil) + assert(not coroutine.resume(c)) + end + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: testing debug library on last function in a suspended coroutine", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + -- testing debug library on last function in a suspended coroutine + -- (bug in 5.2/5.3) + local c = coroutine.create(function () T.testC("yield 1", 10, 20) end) + local a, b = coroutine.resume(c) + assert(a and b == 20) + assert(debug.getinfo(c, 0).linedefined == -1) + a, b = debug.getlocal(c, 0, 2) + assert(b == 10) + end + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: reusing a thread", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(T.testC([[ + newthread # create thread + pushvalue 2 # push body + pushstring 'a a a' # push argument + xmove 0 3 2 # move values to new thread + resume -1, 1 # call it first time + pushstatus + xmove 3 0 0 # move results back to stack + setglobal X # result + setglobal Y # status + pushvalue 2 # push body (to call it again) + pushstring 'b b b' + xmove 0 3 2 + resume -1, 1 # call it again + pushstatus + xmove 3 0 0 + return 1 # return result + ]], function (...) return ... end) == 'b b b') + + assert(X == 'a a a' and Y == 'OK') + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: resuming running coroutine", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + C = coroutine.create(function () + return T.testC([[ + pushnum 10; + pushnum 20; + resume -3 2; + pushstatus + gettop; + return 3]], C) + end) + local a, b, c, d = coroutine.resume(C) + assert(a == true and string.find(b, "non%-suspended") and + c == "ERRRUN" and d == 4) + + a, b, c, d = T.testC([[ + rawgeti R 1 # get main thread + pushnum 10; + pushnum 20; + resume -3 2; + pushstatus + gettop; + return 4]]) + assert(a == coroutine.running() and string.find(b, "non%-suspended") and + c == "ERRRUN" and d == 4) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + +test("[test-suite] coroutine: using a main thread as a coroutine", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local state = T.newstate() + T.loadlib(state) + + assert(T.doremote(state, [[ + coroutine = require'coroutine'; + X = function (x) coroutine.yield(x, 'BB'); return 'CC' end; + return 'ok']])) + + t = table.pack(T.testC(state, [[ + rawgeti R 1 # get main thread + pushstring 'XX' + getglobal X # get function for body + pushstring AA # arg + resume 1 1 # 'resume' shadows previous stack! + gettop + setglobal T # top + setglobal B # second yielded value + setglobal A # fist yielded value + rawgeti R 1 # get main thread + pushnum 5 # arg (noise) + resume 1 1 # after coroutine ends, previous stack is back + pushstatus + return * + ]])) + assert(t.n == 4 and t[2] == 'XX' and t[3] == 'CC' and t[4] == 'OK') + assert(T.doremote(state, "return T") == '2') + assert(T.doremote(state, "return A") == 'AA') + assert(T.doremote(state, "return B") == 'BB') + + T.closestate(state) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: tests for coroutine API", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function apico (...) + local x = {...} + return coroutine.wrap(function () + return T.testC(table.unpack(x)) + end) + end + + local a = {apico( + [[ + pushstring errorcode + pcallk 1 0 2; + invalid command (should not arrive here) + ]], + [[return *]], + "stackmark", + error + )()} + assert(#a == 4 and + a[3] == "stackmark" and + a[4] == "errorcode" and + _G.status == "ERRRUN" and + _G.ctx == 2) -- 'ctx' to pcallk + + local co = apico( + "pushvalue 2; pushnum 10; pcallk 1 2 3; invalid command;", + coroutine.yield, + "getglobal status; getglobal ctx; pushvalue 2; pushstring a; pcallk 1 0 4; invalid command", + "getglobal status; getglobal ctx; return *") + + assert(co() == 10) + assert(co(20, 30) == 'a') + a = {co()} + assert(#a == 10 and + a[2] == coroutine.yield and + a[5] == 20 and a[6] == 30 and + a[7] == "YIELD" and a[8] == 3 and + a[9] == "YIELD" and a[10] == 4) + assert(not pcall(co)) -- coroutine is dead now + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: tests for coroutine API", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + f = T.makeCfunc("pushnum 3; pushnum 5; yield 1;") + co = coroutine.wrap(function () + assert(f() == 23); assert(f() == 23); return 10 + end) + assert(co(23,16) == 5) + assert(co(23,16) == 5) + assert(co(23,16) == 10) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: testing coroutines with C bodies", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function eqtab (t1, t2) + assert(#t1 == #t2) + for i = 1, #t1 do + local v = t1[i] + assert(t2[i] == v) + end + end + + f = T.makeCfunc([[ + pushnum 102 + yieldk 1 U2 + cannot be here! + ]], + [[ # continuation + pushvalue U3 # accessing upvalues inside a continuation + pushvalue U4 + return * + ]], 23, "huu") + + x = coroutine.wrap(f) + assert(x() == 102) + eqtab({x()}, {23, "huu"}) + + + f = T.makeCfunc[[pushstring 'a'; pushnum 102; yield 2; ]] + + a, b, c, d = T.testC([[newthread; pushvalue 2; xmove 0 3 1; resume 3 0; + pushstatus; xmove 3 0 0; resume 3 0; pushstatus; + return 4; ]], f) + + assert(a == 'YIELD' and b == 'a' and c == 102 and d == 'OK') + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: testing chain of suspendable C calls", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local count = 3 -- number of levels + + f = T.makeCfunc([[ + remove 1; # remove argument + pushvalue U3; # get selection function + call 0 1; # call it (result is 'f' or 'yield') + pushstring hello # single argument for selected function + pushupvalueindex 2; # index of continuation program + callk 1 -1 .; # call selected function + errorerror # should never arrive here + ]], + [[ + # continuation program + pushnum 34 # return value + return * # return all results + ]], + function () -- selection function + count = count - 1 + if count == 0 then return coroutine.yield + else return f + end + end + ) + + co = coroutine.wrap(function () return f(nil) end) + assert(co() == "hello") -- argument to 'yield' + a = {co()} + -- three '34's (one from each pending C call) + assert(#a == 3 and a[1] == a[2] and a[2] == a[3] and a[3] == 34) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: testing yields with continuations", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + co = coroutine.wrap(function (...) return + T.testC([[ # initial function + yieldk 1 2 + cannot be here! + ]], + [[ # 1st continuation + yieldk 0 3 + cannot be here! + ]], + [[ # 2nd continuation + yieldk 0 4 + cannot be here! + ]], + [[ # 3th continuation + pushvalue 6 # function which is last arg. to 'testC' here + pushnum 10; pushnum 20; + pcall 2 0 0 # call should throw an error and return to next line + pop 1 # remove error message + pushvalue 6 + getglobal status; getglobal ctx + pcallk 2 2 5 # call should throw an error and jump to continuation + cannot be here! + ]], + [[ # 4th (and last) continuation + return * + ]], + -- function called by 3th continuation + function (a,b) x=a; y=b; error("errmsg") end, + ... + ) + end) + + local a = {co(3,4,6)} + assert(a[1] == 6 and a[2] == nil) + a = {co()}; assert(a[1] == nil and _G.status == "YIELD" and _G.ctx == 2) + a = {co()}; assert(a[1] == nil and _G.status == "YIELD" and _G.ctx == 3) + a = {co(7,8)}; + -- original arguments + assert(type(a[1]) == 'string' and type(a[2]) == 'string' and + type(a[3]) == 'string' and type(a[4]) == 'string' and + type(a[5]) == 'string' and type(a[6]) == 'function') + -- arguments left from fist resume + assert(a[7] == 3 and a[8] == 4) + -- arguments to last resume + assert(a[9] == 7 and a[10] == 8) + -- error message and nothing more + assert(a[11]:find("errmsg") and #a == 11) + -- check arguments to pcallk + assert(x == "YIELD" and y == 4) + + assert(not pcall(co)) -- coroutine should be dead + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] coroutine: bug in nCcalls", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local co = coroutine.wrap(function () + local a = {pcall(pcall,pcall,pcall,pcall,pcall,pcall,pcall,error,"hi")} + return pcall(assert, table.unpack(a)) + end) + + local a = {co()} + assert(a[10] == "hi") + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); diff --git a/test/test-suite/db.test.js b/test/test-suite/db.test.js new file mode 100644 index 0000000..89ec66d --- /dev/null +++ b/test/test-suite/db.test.js @@ -0,0 +1,1111 @@ +"use strict"; + +const lua = require('../../src/lua.js'); +const lauxlib = require('../../src/lauxlib.js'); +const lualib = require('../../src/lualib.js'); +const {to_luastring} = require("../../src/fengaricore.js"); + +const prefix = ` + local function dostring(s) return assert(load(s))() end + + local testline = 5 -- line where 'test' is defined + function test (s, l, p) -- this must be line 5 + local a = 1 -- do something that's active instead of collectgarbage() + local function f (event, line) + assert(event == 'line') + local l = table.remove(l, 1) + if p then print(l, line) end + assert(l == line, "wrong trace!!") + end + debug.sethook(f,"l"); load(s)(); debug.sethook() + assert(#l == 0) + end +`; + +test("[test-suite] db: getinfo, ...line...", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(not pcall(debug.getinfo, print, "X")) -- invalid option + assert(not debug.getinfo(1000)) -- out of range level + assert(not debug.getinfo(-1)) -- out of range level + local a = debug.getinfo(print) + assert(a.what == "J" and a.short_src == "[JS]") + a = debug.getinfo(print, "L") + assert(a.activelines == nil) + local b = debug.getinfo(test, "SfL") + assert(b.name == nil and b.what == "Lua" and b.linedefined == testline and + b.lastlinedefined == b.linedefined + 10 and + b.func == test and string.find(b.short_src, "%[")) + assert(b.activelines[b.linedefined + 1] and + b.activelines[b.lastlinedefined]) + assert(not b.activelines[b.linedefined] and + not b.activelines[b.lastlinedefined + 1]) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] db: test file and string names truncation", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + a = "function f () end" + local function dostring (s, x) return load(s, x)() end + dostring(a) + assert(debug.getinfo(f).short_src == string.format('[string "%s"]', a)) + dostring(a..string.format("; %s\\n=1", string.rep('p', 400))) + assert(string.find(debug.getinfo(f).short_src, '^%[string [^\\n]*%.%.%."%]$')) + dostring(a..string.format("; %s=1", string.rep('p', 400))) + assert(string.find(debug.getinfo(f).short_src, '^%[string [^\\n]*%.%.%."%]$')) + dostring("\\n"..a) + assert(debug.getinfo(f).short_src == '[string "..."]') + dostring(a, "") + assert(debug.getinfo(f).short_src == '[string ""]') + dostring(a, "@xuxu") + assert(debug.getinfo(f).short_src == "xuxu") + dostring(a, "@"..string.rep('p', 1000)..'t') + assert(string.find(debug.getinfo(f).short_src, "^%.%.%.p*t$")) + dostring(a, "=xuxu") + assert(debug.getinfo(f).short_src == "xuxu") + dostring(a, string.format("=%s", string.rep('x', 500))) + assert(string.find(debug.getinfo(f).short_src, "^x*$")) + dostring(a, "=") + assert(debug.getinfo(f).short_src == "") + a = nil; f = nil; + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + +test("[test-suite] db: local", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + repeat + local g = {x = function () + local a = debug.getinfo(2) + assert(a.name == 'f' and a.namewhat == 'local') + a = debug.getinfo(1) + assert(a.name == 'x' and a.namewhat == 'field') + return 'xixi' + end} + local f = function () return 1+1 and (not 1 or g.x()) end + assert(f() == 'xixi') + g = debug.getinfo(f) + assert(g.what == "Lua" and g.func == f and g.namewhat == "" and not g.name) + + function f (x, name) -- local! + name = name or 'f' + local a = debug.getinfo(1) + assert(a.name == name and a.namewhat == 'local') + return x + end + + -- breaks in different conditions + if 3>4 then break end; f() + if 3<4 then a=1 else break end; f() + while 1 do local x=10; break end; f() + local b = 1 + if 3>4 then return math.sin(1) end; f() + a = 3<4; f() + a = 3<4 or 1; f() + repeat local x=20; if 4>3 then f() else break end; f() until 1 + g = {} + f(g).x = f(2) and f(10)+f(9) + assert(g.x == f(19)) + function g(x) if not x then return 3 end return (x('a', 'x')) end + assert(g(f) == 'a') + until 1 + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] db: line hook", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + test([[if + math.sin(1) + then + a=1 + else + a=2 + end + ]], {2,3,4,7}) + + test([[-- + if nil then + a=1 + else + a=2 + end + ]], {2,5,6}) + + test([[a=1 + repeat + a=a+1 + until a==3 + ]], {1,3,4,3,4}) + + test([[ do + return + end + ]], {2}) + + test([[local a + a=1 + while a<=3 do + a=a+1 + end + ]], {1,2,3,4,3,4,3,4,3,5}) + + test([[while math.sin(1) do + if math.sin(1) + then break + end + end + a=1]], {1,2,3,6}) + + test([[for i=1,3 do + a=i + end + ]], {1,2,1,2,1,2,1,3}) + + test([[for i,v in pairs{'a','b'} do + a=tostring(i) .. v + end + ]], {1,2,1,2,1,3}) + + test([[for i=1,4 do a=1 end]], {1,1,1,1,1}) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] db: invalid levels in [gs]etlocal", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(not pcall(debug.getlocal, 20, 1)) + assert(not pcall(debug.setlocal, -1, 1, 10)) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] db: parameter names", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function foo (a,b,...) local d, e end + local co = coroutine.create(foo) + + assert(debug.getlocal(foo, 1) == 'a') + assert(debug.getlocal(foo, 2) == 'b') + assert(not debug.getlocal(foo, 3)) + assert(debug.getlocal(co, foo, 1) == 'a') + assert(debug.getlocal(co, foo, 2) == 'b') + assert(not debug.getlocal(co, foo, 3)) + + assert(not debug.getlocal(print, 1)) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] db: vararg", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function foo (a, ...) + local t = table.pack(...) + for i = 1, t.n do + local n, v = debug.getlocal(1, -i) + assert(n == "(*vararg)" and v == t[i]) + end + assert(not debug.getlocal(1, -(t.n + 1))) + assert(not debug.setlocal(1, -(t.n + 1), 30)) + if t.n > 0 then + (function (x) + assert(debug.setlocal(2, -1, x) == "(*vararg)") + assert(debug.setlocal(2, -t.n, x) == "(*vararg)") + end)(430) + assert(... == 430) + end + end + + foo() + foo(print) + foo(200, 3, 4) + local a = {} + for i = 1, (_soft and 100 or 1000) do a[i] = i end + foo(table.unpack(a)) + a = nil + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] db: access to vararg in non-vararg function", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function foo () return debug.getlocal(1, -1) end + assert(not foo(10)) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] db: test hook presence in debug info", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do -- test hook presence in debug info + assert(not debug.gethook()) + local count = 0 + local function f () + assert(debug.getinfo(1).namewhat == "hook") + local sndline = string.match(debug.traceback(), "\\n(.-)\\n") + assert(string.find(sndline, "hook")) + count = count + 1 + end + debug.sethook(f, "l") + local a = 0 + _ENV.a = a + a = 1 + debug.sethook() + assert(count == 4) + end + + a = {}; L = nil + local glob = 1 + local oldglob = glob + debug.sethook(function (e,l) + -- collectgarbage() -- force GC during a hook + local f, m, c = debug.gethook() + assert(m == 'crl' and c == 0) + if e == "line" then + if glob ~= oldglob then + L = l-1 -- get the first line where "glob" has changed + oldglob = glob + end + elseif e == "call" then + local f = debug.getinfo(2, "f").func + a[f] = 1 + else assert(e == "return") + end + end, "crl") + + + function f(a,b) + -- collectgarbage() + local _, x = debug.getlocal(1, 1) + local _, y = debug.getlocal(1, 2) + assert(x == a and y == b) + assert(debug.setlocal(2, 3, "pera") == "AA".."AA") + assert(debug.setlocal(2, 4, "maçã") == "B") + x = debug.getinfo(2) + assert(x.func == g and x.what == "Lua" and x.name == 'g' and x.nups == 1) + glob = glob+1 + assert(debug.getinfo(1, "l").currentline == L+1) + assert(debug.getinfo(1, "l").currentline == L+2) + end + + function foo() + glob = glob+1 + assert(debug.getinfo(1, "l").currentline == L+1) + end; foo() -- set L + -- check line counting inside strings and empty lines + + _ = 'alo\\ + alo' .. [[ + + ]] + --[[ + ]] + assert(debug.getinfo(1, "l").currentline == L+11) -- check count of lines + + + function g(...) + local arg = {...} + do local a,b,c; a=math.sin(40); end + local feijao + local AAAA,B = "xuxu", "mamão" + f(AAAA,B) + assert(AAAA == "pera" and B == "maçã") + do + local B = 13 + local x,y = debug.getlocal(1,5) + assert(x == 'B' and y == 13) + end + end + + g() + + assert(a[f] and a[g] and a[assert] and a[debug.getlocal] and not a[print]) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] db: tests for manipulating non-registered locals (C and Lua temporaries)", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local n, v = debug.getlocal(0, 1) + assert(v == 0 and n == "(*temporary)") + local n, v = debug.getlocal(0, 2) + assert(v == 2 and n == "(*temporary)") + assert(not debug.getlocal(0, 3)) + assert(not debug.getlocal(0, 0)) + + function f() + assert(select(2, debug.getlocal(2,3)) == 1) + assert(not debug.getlocal(2,4)) + debug.setlocal(2, 3, 10) + return 20 + end + + function g(a,b) return (a+1) + f() end + + assert(g(0,0) == 30) + + + debug.sethook(nil); + assert(debug.gethook() == nil) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] db: testing access to function arguments", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function collectlocals (level) + local tab = {} + for i = 1, math.huge do + local n, v = debug.getlocal(level + 1, i) + if not (n and string.find(n, "^[a-zA-Z0-9_]+$")) then + break -- consider only real variables + end + tab[n] = v + end + return tab + end + + + X = nil + a = {} + function a:f (a, b, ...) local arg = {...}; local c = 13 end + debug.sethook(function (e) + assert(e == "call") + dostring("XX = 12") -- test dostring inside hooks + -- testing errors inside hooks + assert(not pcall(load("a='joao'+1"))) + debug.sethook(function (e, l) + assert(debug.getinfo(2, "l").currentline == l) + local f,m,c = debug.gethook() + assert(e == "line") + assert(m == 'l' and c == 0) + debug.sethook(nil) -- hook is called only once + assert(not X) -- check that + X = collectlocals(2) + end, "l") + end, "c") + + a:f(1,2,3,4,5) + assert(X.self == a and X.a == 1 and X.b == 2 and X.c == nil) + assert(XX == 12) + assert(debug.gethook() == nil) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] db: testing access to local variables in return hook (bug in 5.2)", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function collectlocals (level) + local tab = {} + for i = 1, math.huge do + local n, v = debug.getlocal(level + 1, i) + if not (n and string.find(n, "^[a-zA-Z0-9_]+$")) then + break -- consider only real variables + end + tab[n] = v + end + return tab + end + + do + local function foo (a, b) + do local x,y,z end + local c, d = 10, 20 + return + end + + local function aux () + if debug.getinfo(2).name == "foo" then + foo = nil -- to signal that it found 'foo' + local tab = {a = 100, b = 200, c = 10, d = 20} + for n, v in pairs(collectlocals(2)) do + assert(tab[n] == v) + tab[n] = nil + end + assert(next(tab) == nil) -- 'tab' must be empty + end + end + + debug.sethook(aux, "r"); foo(100, 200); debug.sethook() + assert(foo == nil) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] db: testing upvalue access", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function getupvalues (f) + local t = {} + local i = 1 + while true do + local name, value = debug.getupvalue(f, i) + if not name then break end + assert(not t[name]) + t[name] = value + i = i + 1 + end + return t + end + + local a,b,c = 1,2,3 + local function foo1 (a) b = a; return c end + local function foo2 (x) a = x; return c+b end + assert(not debug.getupvalue(foo1, 3)) + assert(not debug.getupvalue(foo1, 0)) + assert(not debug.setupvalue(foo1, 3, "xuxu")) + local t = getupvalues(foo1) + assert(t.a == nil and t.b == 2 and t.c == 3) + t = getupvalues(foo2) + assert(t.a == 1 and t.b == 2 and t.c == 3) + assert(debug.setupvalue(foo1, 1, "xuxu") == "b") + assert(({debug.getupvalue(foo2, 3)})[2] == "xuxu") + -- upvalues of C functions are allways "called" "" (the empty string) + assert(debug.getupvalue(string.gmatch("x", "x"), 1) == "") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] db: testing count hooks", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local a=0 + debug.sethook(function (e) a=a+1 end, "", 1) + a=0; for i=1,1000 do end; assert(1000 < a and a < 1012) + debug.sethook(function (e) a=a+1 end, "", 4) + a=0; for i=1,1000 do end; assert(250 < a and a < 255) + local f,m,c = debug.gethook() + assert(m == "" and c == 4) + debug.sethook(function (e) a=a+1 end, "", 4000) + a=0; for i=1,1000 do end; assert(a == 0) + + do + debug.sethook(print, "", 2^24 - 1) -- count upperbound + local f,m,c = debug.gethook() + assert(({debug.gethook()})[3] == 2^24 - 1) + end + + debug.sethook() + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] db: tests for tail calls", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function f (x) + if x then + assert(debug.getinfo(1, "S").what == "Lua") + assert(debug.getinfo(1, "t").istailcall == true) + local tail = debug.getinfo(2) + assert(tail.func == g1 and tail.istailcall == true) + assert(debug.getinfo(3, "S").what == "main") + end + end + + function g(x) return f(x) end + + function g1(x) g(x) end + + local function h (x) local f=g1; return f(x) end + + h(true) + + local b = {} + debug.sethook(function (e) table.insert(b, e) end, "cr") + h(false) + debug.sethook() + local res = {"return", -- first return (from sethook) + "call", "tail call", "call", "tail call", + "return", "return", + "call", -- last call (to sethook) + } + for i = 1, #res do assert(res[i] == table.remove(b, 1)) end + + b = 0 + debug.sethook(function (e) + if e == "tail call" then + b = b + 1 + assert(debug.getinfo(2, "t").istailcall == true) + else + assert(debug.getinfo(2, "t").istailcall == false) + end + end, "c") + h(false) + debug.sethook() + assert(b == 2) -- two tail calls + + lim = _soft and 3000 or 30000 + local function foo (x) + if x==0 then + assert(debug.getinfo(2).what == "main") + local info = debug.getinfo(1) + assert(info.istailcall == true and info.func == foo) + else return foo(x-1) + end + end + + foo(lim) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] db: testing local function information", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + co = load[[ + local A = function () + return x + end + return + ]] + + local a = 0 + -- 'A' should be visible to debugger only after its complete definition + debug.sethook(function (e, l) + if l == 3 then a = a + 1; assert(debug.getlocal(2, 1) == "(*temporary)") + elseif l == 4 then a = a + 1; assert(debug.getlocal(2, 1) == "A") + end + end, "l") + co() -- run local function definition + debug.sethook() -- turn off hook + assert(a == 2) -- ensure all two lines where hooked + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] db: testing traceback", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(debug.traceback(print) == print) + assert(debug.traceback(print, 4) == print) + assert(string.find(debug.traceback("hi", 4), "^hi\\n")) + assert(string.find(debug.traceback("hi"), "^hi\\n")) + assert(not string.find(debug.traceback("hi"), "'debug.traceback'")) + assert(string.find(debug.traceback("hi", 0), "'debug.traceback'")) + assert(string.find(debug.traceback(), "^stack traceback:\\n")) + + do -- C-function names in traceback + local st, msg = (function () return pcall end)()(debug.traceback) + assert(st == true and string.find(msg, "pcall")) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] db: testing nparams, nups e isvararg", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local t = debug.getinfo(print, "u") + assert(t.isvararg == true and t.nparams == 0 and t.nups == 0) + + t = debug.getinfo(function (a,b,c) end, "u") + assert(t.isvararg == false and t.nparams == 3 and t.nups == 0) + + t = debug.getinfo(function (a,b,...) return t[a] end, "u") + assert(t.isvararg == true and t.nparams == 2 and t.nups == 1) + + t = debug.getinfo(1) -- main + assert(t.isvararg == true and t.nparams == 0 and t.nups == 1 and + debug.getupvalue(t.func, 1) == "_ENV") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] db: testing debugging of coroutines", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function checktraceback (co, p, level) + local tb = debug.traceback(co, nil, level) + local i = 0 + for l in string.gmatch(tb, "[^\\n]+\\n?") do + assert(i == 0 or string.find(l, p[i])) + i = i+1 + end + assert(p[i] == nil) + end + + + local function f (n) + if n > 0 then f(n-1) + else coroutine.yield() end + end + + local co = coroutine.create(f) + coroutine.resume(co, 3) + checktraceback(co, {"yield", "db.lua", "db.lua", "db.lua", "db.lua"}) + checktraceback(co, {"db.lua", "db.lua", "db.lua", "db.lua"}, 1) + checktraceback(co, {"db.lua", "db.lua", "db.lua"}, 2) + checktraceback(co, {"db.lua"}, 4) + checktraceback(co, {}, 40) + + + co = coroutine.create(function (x) + local a = 1 + coroutine.yield(debug.getinfo(1, "l")) + coroutine.yield(debug.getinfo(1, "l").currentline) + return a + end) + + local tr = {} + local foo = function (e, l) if l then table.insert(tr, l) end end + debug.sethook(co, foo, "lcr") + + local _, l = coroutine.resume(co, 10) + local x = debug.getinfo(co, 1, "lfLS") + assert(x.currentline == l.currentline and x.activelines[x.currentline]) + assert(type(x.func) == "function") + for i=x.linedefined + 1, x.lastlinedefined do + assert(x.activelines[i]) + x.activelines[i] = nil + end + assert(next(x.activelines) == nil) -- no 'extra' elements + assert(not debug.getinfo(co, 2)) + local a,b = debug.getlocal(co, 1, 1) + assert(a == "x" and b == 10) + a,b = debug.getlocal(co, 1, 2) + assert(a == "a" and b == 1) + debug.setlocal(co, 1, 2, "hi") + assert(debug.gethook(co) == foo) + assert(#tr == 2 and + tr[1] == l.currentline-1 and tr[2] == l.currentline) + + a,b,c = pcall(coroutine.resume, co) + assert(a and b and c == l.currentline+1) + checktraceback(co, {"yield", "in function <"}) + + a,b = coroutine.resume(co) + assert(a and b == "hi") + assert(#tr == 4 and tr[4] == l.currentline+2) + assert(debug.gethook(co) == foo) + assert(not debug.gethook()) + checktraceback(co, {}) + `; + lualib.luaL_openlibs(L); + let b = to_luastring(luaCode); + if (lauxlib.luaL_loadbuffer(L, b, b.length, to_luastring("@db.lua")) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] db: check get/setlocal in coroutines", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + co = coroutine.create(function (x) + local a, b = coroutine.yield(x) + assert(a == 100 and b == nil) + return x + end) + a, b = coroutine.resume(co, 10) + assert(a and b == 10) + a, b = debug.getlocal(co, 1, 1) + assert(a == "x" and b == 10) + assert(not debug.getlocal(co, 1, 5)) + assert(debug.setlocal(co, 1, 1, 30) == "x") + assert(not debug.setlocal(co, 1, 5, 40)) + a, b = coroutine.resume(co, 100) + assert(a and b == 30) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] db: check traceback of suspended (or dead with error) coroutines", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function checktraceback (co, p, level) + local tb = debug.traceback(co, nil, level) + local i = 0 + for l in string.gmatch(tb, "[^\\n]+\\n?") do + assert(i == 0 or string.find(l, p[i])) + i = i+1 + end + assert(p[i] == nil) + end + + function f(i) if i==0 then error(i) else coroutine.yield(); f(i-1) end end + + co = coroutine.create(function (x) f(x) end) + a, b = coroutine.resume(co, 3) + t = {"'coroutine.yield'", "'f'", "in function <"} + while coroutine.status(co) == "suspended" do + checktraceback(co, t) + a, b = coroutine.resume(co) + table.insert(t, 2, "'f'") -- one more recursive call to 'f' + end + t[1] = "'error'" + checktraceback(co, t) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] db: check test acessing line numbers of a coroutine from a resume inside a C function", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function g(x) + coroutine.yield(x) + end + + local function f (i) + debug.sethook(function () end, "l") + for j=1,1000 do + g(i+j) + end + end + + local co = coroutine.wrap(f) + co(10) + pcall(co) + pcall(co) + + + assert(type(debug.getregistry()) == "table") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] db: test tagmethod information", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local a = {} + local function f (t) + local info = debug.getinfo(1); + assert(info.namewhat == "metamethod") + a.op = info.name + return info.name + end + setmetatable(a, { + __index = f; __add = f; __div = f; __mod = f; __concat = f; __pow = f; + __mul = f; __idiv = f; __unm = f; __len = f; __sub = f; + __shl = f; __shr = f; __bor = f; __bxor = f; + __eq = f; __le = f; __lt = f; __unm = f; __len = f; __band = f; + __bnot = f; + }) + + local b = setmetatable({}, getmetatable(a)) + + assert(a[3] == "__index" and a^3 == "__pow" and a..a == "__concat") + assert(a/3 == "__div" and 3%a == "__mod") + assert(a+3 == "__add" and 3-a == "__sub" and a*3 == "__mul" and + -a == "__unm" and #a == "__len" and a&3 == "__band") + assert(a|3 == "__bor" and 3~a == "__bxor" and a<<3 == "__shl" and + a>>1 == "__shr") + assert (a==b and a.op == "__eq") + assert (a>=b and a.op == "__le") + assert (a>b and a.op == "__lt") + assert(~a == "__bnot") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] db: testing for-iterator name", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local function f() + assert(debug.getinfo(1).name == "for iterator") + end + + for i in f do end + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] db: testing traceback sizes", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function countlines (s) + return select(2, string.gsub(s, "\\n", "")) + end + + local function deep (lvl, n) + if lvl == 0 then + return (debug.traceback("message", n)) + else + return (deep(lvl-1, n)) + end + end + + local function checkdeep (total, start) + local s = deep(total, start) + local rest = string.match(s, "^message\\nstack traceback:\\n(.*)$") + local cl = countlines(rest) + -- at most 10 lines in first part, 11 in second, plus '...' + assert(cl <= 10 + 11 + 1) + local brk = string.find(rest, "%.%.%.") + if brk then -- does message have '...'? + local rest1 = string.sub(rest, 1, brk) + local rest2 = string.sub(rest, brk, #rest) + assert(countlines(rest1) == 10 and countlines(rest2) == 11) + else + assert(cl == total - start + 2) + end + end + + for d = 1, 51, 10 do + for l = 1, d do + -- use coroutines to ensure complete control of the stack + coroutine.wrap(checkdeep)(d, l) + end + end + `; + lualib.luaL_openlibs(L); + let b = to_luastring(luaCode); + if (lauxlib.luaL_loadbuffer(L, b, b.length, to_luastring("@db.lua")) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] db: testing debug functions on chunk without debug info", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + prog = [[-- program to be loaded without debug information + local debug = require'debug' + local a = 12 -- a local variable + + local n, v = debug.getlocal(1, 1) + assert(n == "(*temporary)" and v == debug) -- unkown name but known value + n, v = debug.getlocal(1, 2) + assert(n == "(*temporary)" and v == 12) -- unkown name but known value + + -- a function with an upvalue + local f = function () local x; return a end + n, v = debug.getupvalue(f, 1) + assert(n == "(*no name)" and v == 12) + assert(debug.setupvalue(f, 1, 13) == "(*no name)") + assert(a == 13) + + local t = debug.getinfo(f) + assert(t.name == nil and t.linedefined > 0 and + t.lastlinedefined == t.linedefined and + t.short_src == "?") + assert(debug.getinfo(1).currentline == -1) + + t = debug.getinfo(f, "L").activelines + assert(next(t) == nil) -- active lines are empty + + -- dump/load a function without debug info + f = load(string.dump(f)) + + t = debug.getinfo(f) + assert(t.name == nil and t.linedefined > 0 and + t.lastlinedefined == t.linedefined and + t.short_src == "?") + assert(debug.getinfo(1).currentline == -1) + + return a + ]] + + + -- load 'prog' without debug info + local f = assert(load(string.dump(load(prog), true))) + + assert(f() == 13) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] db: tests for 'source' in binary dumps", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local prog = [[ + return function (x) + return function (y) + return x + y + end + end + ]] + local name = string.rep("x", 1000) + local p = assert(load(prog, name)) + -- load 'p' as a binary chunk with debug information + local c = string.dump(p) + assert(#c > 1000 and #c < 2000) -- no repetition of 'source' in dump + local f = assert(load(c)) + local g = f() + local h = g(3) + assert(h(5) == 8) + assert(debug.getinfo(f).source == name and -- all functions have 'source' + debug.getinfo(g).source == name and + debug.getinfo(h).source == name) + -- again, without debug info + local c = string.dump(p, true) + assert(#c < 500) -- no 'source' in dump + local f = assert(load(c)) + local g = f() + local h = g(30) + assert(h(50) == 80) + assert(debug.getinfo(f).source == '=?' and -- no function has 'source' + debug.getinfo(g).source == '=?' and + debug.getinfo(h).source == '=?') + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); diff --git a/test/test-suite/errors.test.js b/test/test-suite/errors.test.js new file mode 100644 index 0000000..83c7a90 --- /dev/null +++ b/test/test-suite/errors.test.js @@ -0,0 +1,895 @@ +"use strict"; + +const lua = require('../../src/lua.js'); +const lauxlib = require('../../src/lauxlib.js'); +const lualib = require('../../src/lualib.js'); +const {to_luastring} = require("../../src/fengaricore.js"); + +const prefix = ` + -- avoid problems with 'strict' module (which may generate other error messages) + local mt = getmetatable(_G) or {} + local oldmm = mt.__index + mt.__index = nil + + local function checkerr (msg, f, ...) + local st, err = pcall(f, ...) + assert(not st and string.find(err, msg)) + end + + + local function doit (s) + local f, msg = load(s) + if f == nil then return msg end + local cond, msg = pcall(f) + return (not cond) and msg + end + + + local function checkmessage (prog, msg) + local m = doit(prog) + assert(string.find(m, msg, 1, true)) + end + + local function checksyntax (prog, extra, token, line) + local msg = doit(prog) + if not string.find(token, "^<%a") and not string.find(token, "^char%(") + then token = "'"..token.."'" end + token = string.gsub(token, "(%p)", "%%%1") + local pt = string.format([[^%%[string ".*"%%]:%d: .- near %s$]], + line, token) + assert(string.find(msg, pt)) + assert(string.find(msg, msg, 1, true)) + end +`; + +test("[test-suite] errors: test error message with no extra info", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(doit("error('hi', 0)") == 'hi') + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: test error message with no info", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(doit("error()") == nil) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: test common errors/errors that crashed in the past", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(doit("table.unpack({}, 1, n=2^30)")) + assert(doit("a=math.sin()")) + assert(not doit("tostring(1)") and doit("tostring()")) + assert(doit"tonumber()") + assert(doit"repeat until 1; a") + assert(doit"return;;") + assert(doit"assert(false)") + assert(doit"assert(nil)") + assert(doit("function a (... , ...) end")) + assert(doit("function a (, ...) end")) + assert(doit("local t={}; t = t[#t] + 1")) + + checksyntax([[ + local a = {4 + + ]], "'}' expected (to close '{' at line 1)", "<eof>", 3) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: tests for better error messages", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + checkmessage("a = {} + 1", "arithmetic") + checkmessage("a = {} | 1", "bitwise operation") + checkmessage("a = {} < 1", "attempt to compare") + checkmessage("a = {} <= 1", "attempt to compare") + + checkmessage("a=1; bbbb=2; a=math.sin(3)+bbbb(3)", "global 'bbbb'") + checkmessage("a={}; do local a=1 end a:bbbb(3)", "method 'bbbb'") + checkmessage("local a={}; a.bbbb(3)", "field 'bbbb'") + assert(not string.find(doit"a={13}; local bbbb=1; a[bbbb](3)", "'bbbb'")) + checkmessage("a={13}; local bbbb=1; a[bbbb](3)", "number") + checkmessage("a=(1)..{}", "a table value") + + checkmessage("a = #print", "length of a function value") + checkmessage("a = #3", "length of a number value") + + aaa = nil + checkmessage("aaa.bbb:ddd(9)", "global 'aaa'") + checkmessage("local aaa={bbb=1}; aaa.bbb:ddd(9)", "field 'bbb'") + checkmessage("local aaa={bbb={}}; aaa.bbb:ddd(9)", "method 'ddd'") + checkmessage("local a,b,c; (function () a = b+1 end)()", "upvalue 'b'") + assert(not doit"local aaa={bbb={ddd=next}}; aaa.bbb:ddd(nil)") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: upvalues being indexed do not go to the stack", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + checkmessage("local a,b,cc; (function () a = cc[1] end)()", "upvalue 'cc'") + checkmessage("local a,b,cc; (function () a.x = 1 end)()", "upvalue 'a'") + + checkmessage("local _ENV = {x={}}; a = a + 1", "global 'a'") + + checkmessage("b=1; local aaa='a'; x=aaa+b", "local 'aaa'") + checkmessage("aaa={}; x=3/aaa", "global 'aaa'") + checkmessage("aaa='2'; b=nil;x=aaa*b", "global 'b'") + checkmessage("aaa={}; x=-aaa", "global 'aaa'") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: short circuit", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + checkmessage("a=1; local a,bbbb=2,3; a = math.sin(1) and bbbb(3)", + "local 'bbbb'") + checkmessage("a=1; local a,bbbb=2,3; a = bbbb(1) or a(3)", "local 'bbbb'") + checkmessage("local a,b,c,f = 1,1,1; f((a and b) or c)", "local 'f'") + checkmessage("local a,b,c = 1,1,1; ((a and b) or c)()", "call a number value") + assert(not string.find(doit"aaa={}; x=(aaa or aaa)+(aaa and aaa)", "'aaa'")) + assert(not string.find(doit"aaa={}; (aaa or aaa)()", "'aaa'")) + + checkmessage("print(print < 10)", "function with number") + checkmessage("print(print < print)", "two function values") + checkmessage("print('10' < 10)", "string with number") + checkmessage("print(10 < '23')", "number with string") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: float->integer conversions", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + checkmessage("local a = 2.0^100; x = a << 2", "local a") + checkmessage("local a = 1 >> 2.0^100", "has no integer representation") + checkmessage("local a = '10' << 2.0^100", "has no integer representation") + checkmessage("local a = 2.0^100 & 1", "has no integer representation") + checkmessage("local a = 2.0^100 & '1'", "has no integer representation") + checkmessage("local a = 2.0 | 1e40", "has no integer representation") + checkmessage("local a = 2e100 ~ 1", "has no integer representation") + checkmessage("string.sub('a', 2.0^100)", "has no integer representation") + checkmessage("string.rep('a', 3.3)", "has no integer representation") + checkmessage("return 6e40 & 7", "has no integer representation") + checkmessage("return 34 << 7e30", "has no integer representation") + checkmessage("return ~-3e40", "has no integer representation") + checkmessage("return ~-3.009", "has no integer representation") + checkmessage("return 3.009 & 1", "has no integer representation") + checkmessage("return 34 >> {}", "table value") + checkmessage("a = 24 // 0", "divide by zero") + checkmessage("a = 1 % 0", "'n%0'") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: passing light userdata instead of full userdata", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + _G.D = debug + checkmessage([[ + -- create light udata + local x = D.upvalueid(function () return debug end, 1) + D.setuservalue(x, {}) + ]], "light userdata") + _G.D = nil + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: named objects (field '__name')", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + checkmessage("math.sin(io.input())", "(number expected, got FILE*)") + _G.XX = setmetatable({}, {__name = "My Type"}) + assert(string.find(tostring(XX), "^My Type")) + checkmessage("io.input(XX)", "(FILE* expected, got My Type)") + checkmessage("return XX + 1", "on a My Type value") + checkmessage("return ~io.stdin", "on a FILE* value") + checkmessage("return XX < XX", "two My Type values") + checkmessage("return {} < XX", "table with My Type") + checkmessage("return XX < io.stdin", "My Type with FILE*") + _G.XX = nil + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: global functions", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + checkmessage("(io.write or print){}", "io.write") + checkmessage("(collectgarbage or print){}", "collectgarbage") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: errors in functions without debug info", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local f = function (a) return a + 1 end + f = assert(load(string.dump(f, true))) + assert(f(3) == 4) + checkerr("^%?:%-1:", f, {}) + + -- code with a move to a local var ('OP_MOV A B' with A<B) + f = function () local a; a = {}; return a + 2 end + -- no debug info (so that 'a' is unknown) + f = assert(load(string.dump(f, true))) + -- symbolic execution should not get lost + checkerr("^%?:%-1:.*table value", f) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: tests for field accesses after RK limit", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local t = {} + for i = 1, 1000 do + t[i] = "a = x" .. i + end + local s = table.concat(t, "; ") + t = nil + checkmessage(s.."; a = bbb + 1", "global 'bbb'") + checkmessage("local _ENV=_ENV;"..s.."; a = bbb + 1", "global 'bbb'") + checkmessage(s.."; local t = {}; a = t.bbb + 1", "field 'bbb'") + checkmessage(s.."; local t = {}; t:bbb()", "method 'bbb'") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: global", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + checkmessage([[aaa=9 + repeat until 3==3 + local x=math.sin(math.cos(3)) + if math.sin(1) == x then return math.sin(1) end -- tail call + local a,b = 1, { + {x='a'..'b'..'c', y='b', z=x}, + {1,2,3,4,5} or 3+3<=3+3, + 3+1>3+1, + {d = x and aaa[x or y]}} + ]], "global 'aaa'") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: field", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + checkmessage([[ + local x,y = {},1 + if math.sin(1) == 0 then return 3 end -- return + x.a()]], "field 'a'") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: global insert", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + checkmessage([[ + prefix = nil + insert = nil + while 1 do + local a + if nil then break end + insert(prefix, a) + end]], "global 'insert'") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: sin", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + checkmessage([[ -- tail call + return math.sin("a") + ]], "'sin'") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: concatenate", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + checkmessage([[x = print .. "a"]], "concatenate") + checkmessage([[x = "a" .. false]], "concatenate") + checkmessage([[x = {} .. 2]], "concatenate") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: unknown global", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + checkmessage([[ + local Var + local function main() + NoSuchName (function() Var=0 end) + end + main() + ]], "global 'NoSuchName'") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: __index", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + a = {}; setmetatable(a, {__index = string}) + checkmessage("a:sub()", "bad self") + checkmessage("string.sub('a', {})", "#2") + checkmessage("('a'):sub{}", "#1") + + checkmessage("table.sort({1,2,3}, table.sort)", "'table.sort'") + checkmessage("string.gsub('s', 's', setmetatable)", "'setmetatable'") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: tests for errors in coroutines", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function f (n) + local c = coroutine.create(f) + local a,b = coroutine.resume(c) + return b + end + assert(string.find(f(), "JS stack overflow")) + + checkmessage("coroutine.yield()", "outside a coroutine") + + f = coroutine.wrap(function () table.sort({1,2,3}, coroutine.yield) end) + checkerr("yield across", f) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: testing size of 'source' info", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + idsize = 60 - 1 + local function checksize (source) + -- syntax error + local _, msg = load("x", source) + msg = string.match(msg, "^([^:]*):") -- get source (1st part before ':') + assert(msg:len() <= idsize) + end + + for i = 60 - 10, 60 + 10 do -- check border cases around 60 + checksize("@" .. string.rep("x", i)) -- file names + checksize(string.rep("x", i - 10)) -- string sources + checksize("=" .. string.rep("x", i)) -- exact sources + end + + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: testing line error", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function lineerror (s, l) + local err,msg = pcall(load(s)) + local line = string.match(msg, ":(%d+):") + assert((line and line+0) == l) + end + + lineerror("local a\\n for i=1,'a' do \\n print(i) \\n end", 2) + lineerror("\\n local a \\n for k,v in 3 \\n do \\n print(k) \\n end", 3) + lineerror("\\n\\n for k,v in \\n 3 \\n do \\n print(k) \\n end", 4) + lineerror("function a.x.y ()\\na=a+1\\nend", 1) + + lineerror("a = \\na\\n+\\n{}", 3) + lineerror("a = \\n3\\n+\\n(\\n4\\n/\\nprint)", 6) + lineerror("a = \\nprint\\n+\\n(\\n4\\n/\\n7)", 3) + + lineerror("a\\n=\\n-\\n\\nprint\\n;", 3) + + lineerror([[ + a + ( + 23) + ]], 1) + + lineerror([[ + local a = {x = 13} + a + . + x + ( + 23 + ) + ]], 2) + + lineerror([[ + local a = {x = 13} + a + . + x + ( + 23 + a + ) + ]], 6) + + local p = [[ + function g() f() end + function f(x) error('a', X) end + g() + ]] + X=3;lineerror((p), 3) + X=0;lineerror((p), nil) + X=1;lineerror((p), 2) + X=2;lineerror((p), 1) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: several tests that exhaust the Lua stack", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + C = 0 + local l = debug.getinfo(1, "l").currentline; function y () C=C+1; y() end + + local function checkstackmessage (m) + return (string.find(m, "^.-:%d+: stack overflow")) + end + -- repeated stack overflows (to check stack recovery) + assert(checkstackmessage(doit('y()'))) + assert(checkstackmessage(doit('y()'))) + assert(checkstackmessage(doit('y()'))) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: error lines in stack overflow", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + C = 0 + local l = debug.getinfo(1, "l").currentline; function y () C=C+1; y() end + local l1 + local function g(x) + l1 = debug.getinfo(x, "l").currentline; y() + end + local _, stackmsg = xpcall(g, debug.traceback, 1) + local stack = {} + for line in string.gmatch(stackmsg, "[^\\n]*") do + local curr = string.match(line, ":(%d+):") + if curr then table.insert(stack, tonumber(curr)) end + end + local i=1 + while stack[i] ~= l1 do + assert(stack[i] == l) + i = i+1 + end + assert(i > 15) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: error in error handling", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local res, msg = xpcall(error, error) + assert(not res and type(msg) == 'string') + + local function f (x) + if x==0 then error('a\\n') + else + local aux = function () return f(x-1) end + local a,b = xpcall(aux, aux) + return a,b + end + end + f(3) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: too many results", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function loop (x,y,z) return 1 + loop(x, y, z) end + + local res, msg = xpcall(loop, function (m) + assert(string.find(m, "stack overflow")) + checkerr("error handling", loop) + assert(math.sin(0) == 0) + return 15 + end) + assert(msg == 15) + + local f = function () + for i = 999900, 1000000, 1 do table.unpack({}, 1, i) end + end + checkerr("too many results", f) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: non string messages", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + -- non string messages + local t = {} + local res, msg = pcall(function () error(t) end) + assert(not res and msg == t) + + res, msg = pcall(function () error(nil) end) + assert(not res and msg == nil) + + local function f() error{msg='x'} end + res, msg = xpcall(f, function (r) return {msg=r.msg..'y'} end) + assert(msg.msg == 'xy') + + -- 'assert' with extra arguments + res, msg = pcall(assert, false, "X", t) + assert(not res and msg == "X") + + -- 'assert' with no message + res, msg = pcall(function () assert(false) end) + local line = string.match(msg, "%w+%.lua:(%d+): assertion failed!$") + assert(tonumber(line) == debug.getinfo(1, "l").currentline - 2) + + -- 'assert' with non-string messages + res, msg = pcall(assert, false, t) + assert(not res and msg == t) + + res, msg = pcall(assert, nil, nil) + assert(not res and msg == nil) + + -- 'assert' without arguments + res, msg = pcall(assert) + assert(not res and string.find(msg, "value expected")) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadbuffer(L, to_luastring(prefix + luaCode), null, to_luastring("@errors.lua")) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: xpcall with arguments", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + a, b, c = xpcall(string.find, error, "alo", "al") + assert(a and b == 1 and c == 2) + a, b, c = xpcall(string.find, function (x) return {} end, true, "al") + assert(not a and type(b) == "table" and c == nil) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: testing tokens in error messages", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + checksyntax("syntax error", "", "error", 1) + checksyntax("1.000", "", "1.000", 1) + checksyntax("[[a]]", "", "[[a]]", 1) + checksyntax("'aa'", "", "'aa'", 1) + checksyntax("while << do end", "", "<<", 1) + checksyntax("for >> do end", "", ">>", 1) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: test invalid non-printable char in a chunk", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + checksyntax("a\\1a = 1", "", "<\\\\1>", 1) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: test 255 as first char in a chunk", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + checksyntax("\\255a = 1", "", "<\\\\255>", 1) + + doit('I = load("a=9+"); a=3') + assert(a==3 and I == nil) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: lots of errors", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + lim = 1000 + if _soft then lim = 100 end + for i=1,lim do + doit('a = ') + doit('a = 4+nil') + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: testing syntax limits", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local maxClevel = 200 -- LUAI_MAXCCALLS (in llimits.h) + + local function testrep (init, rep, close, repc) + local s = init .. string.rep(rep, maxClevel - 10) .. close .. + string.rep(repc, maxClevel - 10) + assert(load(s)) -- 190 levels is OK + s = init .. string.rep(rep, maxClevel + 1) + checkmessage(s, "too many JS levels") + end + + testrep("local a; a", ",a", "= 1", ",1") -- multiple assignment + testrep("local a; a=", "{", "0", "}") + testrep("local a; a=", "(", "2", ")") + testrep("local a; ", "a(", "2", ")") + testrep("", "do ", "", " end") + testrep("", "while a do ", "", " end") + testrep("local a; ", "if a then else ", "", " end") + testrep("", "function foo () ", "", " end") + testrep("local a; a=", "a..", "a", "") + testrep("local a; a=", "a^", "a", "") + + checkmessage("a = f(x" .. string.rep(",x", 260) .. ")", "too many registers") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: upvalues limit", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local lim = 127 + local s = "local function fooA ()\\n local " + for j = 1,lim do + s = s.."a"..j..", " + end + s = s.."b,c\\n" + s = s.."local function fooB ()\\n local " + for j = 1,lim do + s = s.."b"..j..", " + end + s = s.."b\\n" + s = s.."function fooC () return b+c" + local c = 1+2 + for j = 1,lim do + s = s.."+a"..j.."+b"..j + c = c + 2 + end + s = s.."\\nend end end" + local a,b = load(s) + assert(c > 255 and string.find(b, "too many upvalues") and + string.find(b, "line 5")) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] errors: local variables limit", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + s = "\\nfunction foo ()\\n local " + for j = 1,300 do + s = s.."a"..j..", " + end + s = s.."b\\n" + local a,b = load(s) + assert(string.find(b, "line 2") and string.find(b, "too many local variables")) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); diff --git a/test/test-suite/events.test.js b/test/test-suite/events.test.js new file mode 100644 index 0000000..67faad6 --- /dev/null +++ b/test/test-suite/events.test.js @@ -0,0 +1,586 @@ +"use strict"; + +const lua = require('../../src/lua.js'); +const lauxlib = require('../../src/lauxlib.js'); +const lualib = require('../../src/lualib.js'); +const {to_luastring} = require("../../src/fengaricore.js"); + +const ltests = require('./ltests.js'); + +test("[test-suite] events: testing metatable", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + X = 20; B = 30 + + _ENV = setmetatable({}, {__index=_G}) + + --collectgarbage() + + X = X+10 + assert(X == 30 and _G.X == 20) + B = false + assert(B == false) + B = nil + assert(B == 30) + + assert(getmetatable{} == nil) + assert(getmetatable(4) == nil) + assert(getmetatable(nil) == nil) + a={name = "NAME"}; setmetatable(a, {__metatable = "xuxu", + __tostring=function(x) return x.name end}) + assert(getmetatable(a) == "xuxu") + assert(tostring(a) == "NAME") + -- cannot change a protected metatable + assert(pcall(setmetatable, a, {}) == false) + a.name = "gororoba" + assert(tostring(a) == "gororoba") + + local a, t = {10,20,30; x="10", y="20"}, {} + assert(setmetatable(a,t) == a) + assert(getmetatable(a) == t) + assert(setmetatable(a,nil) == a) + assert(getmetatable(a) == nil) + assert(setmetatable(a,t) == a) + + + function f (t, i, e) + assert(not e) + local p = rawget(t, "parent") + return (p and p[i]+3), "dummy return" + end + + t.__index = f + + a.parent = {z=25, x=12, [4] = 24} + assert(a[1] == 10 and a.z == 28 and a[4] == 27 and a.x == "10") + + --collectgarbage() + + a = setmetatable({}, t) + function f(t, i, v) rawset(t, i, v-3) end + setmetatable(t, t) -- causes a bug in 5.1 ! + t.__newindex = f + a[1] = 30; a.x = "101"; a[5] = 200 + assert(a[1] == 27 and a.x == 98 and a[5] == 197) + + do -- bug in Lua 5.3.2 + local mt = {} + mt.__newindex = mt + local t = setmetatable({}, mt) + t[1] = 10 -- will segfault on some machines + assert(mt[1] == 10) + end + + local c = {} + a = setmetatable({}, t) + t.__newindex = c + a[1] = 10; a[2] = 20; a[3] = 90 + assert(c[1] == 10 and c[2] == 20 and c[3] == 90) + + do + local a; + a = setmetatable({}, {__index = setmetatable({}, + {__index = setmetatable({}, + {__index = function (_,n) return a[n-3]+4, "lixo" end})})}) + a[0] = 20 + for i=0,10 do + assert(a[i*3] == 20 + i*4) + end + end + + do -- newindex + local foi + local a = {} + for i=1,10 do a[i] = 0; a['a'..i] = 0; end + setmetatable(a, {__newindex = function (t,k,v) foi=true; rawset(t,k,v) end}) + foi = false; a[1]=0; assert(not foi) + foi = false; a['a1']=0; assert(not foi) + foi = false; a['a11']=0; assert(foi) + foi = false; a[11]=0; assert(foi) + foi = false; a[1]=nil; assert(not foi) + foi = false; a[1]=nil; assert(foi) + end + + setmetatable(t, nil) + function f (t, ...) return t, {...} end + t.__call = f + + do + local x,y = a(table.unpack{'a', 1}) + assert(x==a and y[1]=='a' and y[2]==1 and y[3]==nil) + x,y = a() + assert(x==a and y[1]==nil) + end + + + local b = setmetatable({}, t) + setmetatable(b,t) + + function f(op) + return function (...) cap = {[0] = op, ...} ; return (...) end + end + t.__add = f("add") + t.__sub = f("sub") + t.__mul = f("mul") + t.__div = f("div") + t.__idiv = f("idiv") + t.__mod = f("mod") + t.__unm = f("unm") + t.__pow = f("pow") + t.__len = f("len") + t.__band = f("band") + t.__bor = f("bor") + t.__bxor = f("bxor") + t.__shl = f("shl") + t.__shr = f("shr") + t.__bnot = f("bnot") + + assert(b+5 == b) + assert(cap[0] == "add" and cap[1] == b and cap[2] == 5 and cap[3]==nil) + assert(b+'5' == b) + assert(cap[0] == "add" and cap[1] == b and cap[2] == '5' and cap[3]==nil) + assert(5+b == 5) + assert(cap[0] == "add" and cap[1] == 5 and cap[2] == b and cap[3]==nil) + assert('5'+b == '5') + assert(cap[0] == "add" and cap[1] == '5' and cap[2] == b and cap[3]==nil) + b=b-3; assert(getmetatable(b) == t) + assert(5-a == 5) + assert(cap[0] == "sub" and cap[1] == 5 and cap[2] == a and cap[3]==nil) + assert('5'-a == '5') + assert(cap[0] == "sub" and cap[1] == '5' and cap[2] == a and cap[3]==nil) + assert(a*a == a) + assert(cap[0] == "mul" and cap[1] == a and cap[2] == a and cap[3]==nil) + assert(a/0 == a) + assert(cap[0] == "div" and cap[1] == a and cap[2] == 0 and cap[3]==nil) + assert(a%2 == a) + assert(cap[0] == "mod" and cap[1] == a and cap[2] == 2 and cap[3]==nil) + assert(a // (1/0) == a) + assert(cap[0] == "idiv" and cap[1] == a and cap[2] == 1/0 and cap[3]==nil) + assert(a & "hi" == a) + assert(cap[0] == "band" and cap[1] == a and cap[2] == "hi" and cap[3]==nil) + assert(a | "hi" == a) + assert(cap[0] == "bor" and cap[1] == a and cap[2] == "hi" and cap[3]==nil) + assert("hi" ~ a == "hi") + assert(cap[0] == "bxor" and cap[1] == "hi" and cap[2] == a and cap[3]==nil) + assert(-a == a) + assert(cap[0] == "unm" and cap[1] == a) + assert(a^4 == a) + assert(cap[0] == "pow" and cap[1] == a and cap[2] == 4 and cap[3]==nil) + assert(a^'4' == a) + assert(cap[0] == "pow" and cap[1] == a and cap[2] == '4' and cap[3]==nil) + assert(4^a == 4) + assert(cap[0] == "pow" and cap[1] == 4 and cap[2] == a and cap[3]==nil) + assert('4'^a == '4') + assert(cap[0] == "pow" and cap[1] == '4' and cap[2] == a and cap[3]==nil) + assert(#a == a) + assert(cap[0] == "len" and cap[1] == a) + assert(~a == a) + assert(cap[0] == "bnot" and cap[1] == a) + assert(a << 3 == a) + assert(cap[0] == "shl" and cap[1] == a and cap[2] == 3) + assert(1.5 >> a == 1.5) + assert(cap[0] == "shr" and cap[1] == 1.5 and cap[2] == a) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] events: test for rawlen", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + t = setmetatable({1,2,3}, {__len = function () return 10 end}) + assert(#t == 10 and rawlen(t) == 3) + assert(rawlen"abc" == 3) + assert(not pcall(rawlen, io.stdin)) + assert(not pcall(rawlen, 34)) + assert(not pcall(rawlen)) + + -- rawlen for long strings + assert(rawlen(string.rep('a', 1000)) == 1000) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] events: test comparison", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + t = {} + t.__lt = function (a,b,c) + --collectgarbage() + assert(c == nil) + if type(a) == 'table' then a = a.x end + if type(b) == 'table' then b = b.x end + return a<b, "dummy" + end + + function Op(x) return setmetatable({x=x}, t) end + + local function test () + assert(not(Op(1)<Op(1)) and (Op(1)<Op(2)) and not(Op(2)<Op(1))) + assert(not(1 < Op(1)) and (Op(1) < 2) and not(2 < Op(1))) + assert(not(Op('a')<Op('a')) and (Op('a')<Op('b')) and not(Op('b')<Op('a'))) + assert(not('a' < Op('a')) and (Op('a') < 'b') and not(Op('b') < Op('a'))) + assert((Op(1)<=Op(1)) and (Op(1)<=Op(2)) and not(Op(2)<=Op(1))) + assert((Op('a')<=Op('a')) and (Op('a')<=Op('b')) and not(Op('b')<=Op('a'))) + assert(not(Op(1)>Op(1)) and not(Op(1)>Op(2)) and (Op(2)>Op(1))) + assert(not(Op('a')>Op('a')) and not(Op('a')>Op('b')) and (Op('b')>Op('a'))) + assert((Op(1)>=Op(1)) and not(Op(1)>=Op(2)) and (Op(2)>=Op(1))) + assert((1 >= Op(1)) and not(1 >= Op(2)) and (Op(2) >= 1)) + assert((Op('a')>=Op('a')) and not(Op('a')>=Op('b')) and (Op('b')>=Op('a'))) + assert(('a' >= Op('a')) and not(Op('a') >= 'b') and (Op('b') >= Op('a'))) + end + + test() + + t.__le = function (a,b,c) + assert(c == nil) + if type(a) == 'table' then a = a.x end + if type(b) == 'table' then b = b.x end + return a<=b, "dummy" + end + + test() -- retest comparisons, now using both 'lt' and 'le' + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] events: test 'partial order'", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + t = {} + + local function rawSet(x) + local y = {} + for _,k in pairs(x) do y[k] = 1 end + return y + end + + local function Set(x) + return setmetatable(rawSet(x), t) + end + + t.__lt = function (a,b) + for k in pairs(a) do + if not b[k] then return false end + b[k] = nil + end + return next(b) ~= nil + end + + t.__le = nil + + assert(Set{1,2,3} < Set{1,2,3,4}) + assert(not(Set{1,2,3,4} < Set{1,2,3,4})) + assert((Set{1,2,3,4} <= Set{1,2,3,4})) + assert((Set{1,2,3,4} >= Set{1,2,3,4})) + assert((Set{1,3} <= Set{3,5})) -- wrong!! model needs a 'le' method ;-) + + t.__le = function (a,b) + for k in pairs(a) do + if not b[k] then return false end + end + return true + end + + assert(not (Set{1,3} <= Set{3,5})) -- now its OK! + assert(not(Set{1,3} <= Set{3,5})) + assert(not(Set{1,3} >= Set{3,5})) + + t.__eq = function (a,b) + for k in pairs(a) do + if not b[k] then return false end + b[k] = nil + end + return next(b) == nil + end + + local s = Set{1,3,5} + assert(s == Set{3,5,1}) + assert(not rawequal(s, Set{3,5,1})) + assert(rawequal(s, s)) + assert(Set{1,3,5,1} == rawSet{3,5,1}) + assert(rawSet{1,3,5,1} == Set{3,5,1}) + assert(Set{1,3,5} ~= Set{3,5,1,6}) + + -- '__eq' is not used for table accesses + t[Set{1,3,5}] = 1 + assert(t[Set{1,3,5}] == nil) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] events: __eq between userdata", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + T = require('T') + + local u1 = T.newuserdata(0) + local u2 = T.newuserdata(0) + local u3 = T.newuserdata(0) + assert(u1 ~= u2 and u1 ~= u3) + debug.setuservalue(u1, 1); + debug.setuservalue(u2, 2); + debug.setuservalue(u3, 1); + debug.setmetatable(u1, {__eq = function (a, b) + return debug.getuservalue(a) == debug.getuservalue(b) + end}) + debug.setmetatable(u2, {__eq = function (a, b) + return true + end}) + assert(u1 == u3 and u3 == u1 and u1 ~= u2) + assert(u2 == u1 and u2 == u3 and u3 == u2) + assert(u2 ~= {}) -- different types cannot be equal + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] events: concat", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + t = {} + + t.__concat = function (a,b,c) + assert(c == nil) + if type(a) == 'table' then a = a.val end + if type(b) == 'table' then b = b.val end + if A then return a..b + else + return setmetatable({val=a..b}, t) + end + end + + c = {val="c"}; setmetatable(c, t) + d = {val="d"}; setmetatable(d, t) + + A = true + assert(c..d == 'cd') + assert(0 .."a".."b"..c..d.."e".."f"..(5+3).."g" == "0abcdef8g") + + A = false + assert((c..d..c..d).val == 'cdcd') + x = c..d + assert(getmetatable(x) == t and x.val == 'cd') + x = 0 .."a".."b"..c..d.."e".."f".."g" + assert(x.val == "0abcdefg") + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] events: concat metamethod x numbers (bug in 5.1.1)", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + c = {} + local x + setmetatable(c, {__concat = function (a,b) + assert(type(a) == "number" and b == c or type(b) == "number" and a == c) + return c + end}) + assert(c..5 == c and 5 .. c == c) + assert(4 .. c .. 5 == c and 4 .. 5 .. 6 .. 7 .. c == c) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] events: test comparison compatibilities", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local t1, t2, c, d + t1 = {}; c = {}; setmetatable(c, t1) + d = {} + t1.__eq = function () return true end + t1.__lt = function () return true end + setmetatable(d, t1) + assert(c == d and c < d and not(d <= c)) + t2 = {} + t2.__eq = t1.__eq + t2.__lt = t1.__lt + setmetatable(d, t2) + assert(c == d and c < d and not(d <= c)) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] events: test for several levels of callstest for several levels of calls", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local i + local tt = { + __call = function (t, ...) + i = i+1 + if t.f then return t.f(...) + else return {...} + end + end + } + + local a = setmetatable({}, tt) + local b = setmetatable({f=a}, tt) + local c = setmetatable({f=b}, tt) + + i = 0 + x = c(3,4,5) + assert(i == 3 and x[1] == 3 and x[3] == 5) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] events: __index on _ENV", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local _g = _G + _ENV = setmetatable({}, {__index=function (_,k) return _g[k] end}) + + a = {} + rawset(a, "x", 1, 2, 3) + assert(a.x == 1 and rawget(a, "x", 3) == 1) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] events: testing metatables for basic types", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + mt = {__index = function (a,b) return a+b end, + __len = function (x) return math.floor(x) end} + debug.setmetatable(10, mt) + assert(getmetatable(-2) == mt) + assert((10)[3] == 13) + assert((10)["3"] == 13) + assert(#3.45 == 3) + debug.setmetatable(23, nil) + assert(getmetatable(-2) == nil) + + debug.setmetatable(true, mt) + assert(getmetatable(false) == mt) + mt.__index = function (a,b) return a or b end + assert((true)[false] == true) + assert((false)[false] == false) + debug.setmetatable(false, nil) + assert(getmetatable(true) == nil) + + debug.setmetatable(nil, mt) + assert(getmetatable(nil) == mt) + mt.__add = function (a,b) return (a or 0) + (b or 0) end + assert(10 + nil == 10) + assert(nil + 23 == 23) + assert(nil + nil == 0) + debug.setmetatable(nil, nil) + assert(getmetatable(nil) == nil) + + debug.setmetatable(nil, {}) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] events: loops in delegation", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + a = {}; setmetatable(a, a); a.__index = a; a.__newindex = a + assert(not pcall(function (a,b) return a[b] end, a, 10)) + assert(not pcall(function (a,b,c) a[b] = c end, a, 10, true)) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] events: bug in 5.1", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + T, K, V = nil + grandparent = {} + grandparent.__newindex = function(t,k,v) T=t; K=k; V=v end + + parent = {} + parent.__newindex = parent + setmetatable(parent, grandparent) + + child = setmetatable({}, parent) + child.foo = 10 --> CRASH (on some machines) + assert(T == parent and K == "foo" and V == 10) + `; + lualib.luaL_openlibs(L); + ltests.luaopen_tests(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); diff --git a/test/test-suite/goto.test.js b/test/test-suite/goto.test.js new file mode 100644 index 0000000..17e0397 --- /dev/null +++ b/test/test-suite/goto.test.js @@ -0,0 +1,290 @@ +"use strict"; + +const lua = require('../../src/lua.js'); +const lauxlib = require('../../src/lauxlib.js'); +const lualib = require('../../src/lualib.js'); +const {to_luastring} = require("../../src/fengaricore.js"); + +test("[test-suite] goto: error messages", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function errmsg (code, m) + local st, msg = load(code) + assert(not st and string.find(msg, m)) + end + + -- cannot see label inside block + errmsg([[ goto l1; do ::l1:: end ]], "label 'l1'") + errmsg([[ do ::l1:: end goto l1; ]], "label 'l1'") + + -- repeated label + errmsg([[ ::l1:: ::l1:: ]], "label 'l1'") + + + -- undefined label + errmsg([[ goto l1; local aa ::l1:: ::l2:: print(3) ]], "local 'aa'") + + -- jumping over variable definition + errmsg([[ + do local bb, cc; goto l1; end + local aa + ::l1:: print(3) + ]], "local 'aa'") + + -- jumping into a block + errmsg([[ do ::l1:: end goto l1 ]], "label 'l1'") + errmsg([[ goto l1 do ::l1:: end ]], "label 'l1'") + + -- cannot continue a repeat-until with variables + errmsg([[ + repeat + if x then goto cont end + local xuxu = 10 + ::cont:: + until xuxu < x + ]], "local 'xuxu'") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] goto", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + -- simple gotos + local x + do + local y = 12 + goto l1 + ::l2:: x = x + 1; goto l3 + ::l1:: x = y; goto l2 + end + ::l3:: ::l3_1:: assert(x == 13) + + -- long labels + do + local prog = [[ + do + local a = 1 + goto l%sa; a = a + 1 + ::l%sa:: a = a + 10 + goto l%sb; a = a + 2 + ::l%sb:: a = a + 20 + return a + end + ]] + local label = string.rep("0123456789", 40) + prog = string.format(prog, label, label, label, label) + assert(assert(load(prog))() == 31) + end + + -- goto to correct label when nested + do goto l3; ::l3:: end -- does not loop jumping to previous label 'l3' + + -- ok to jump over local dec. to end of block + do + goto l1 + local a = 23 + x = a + ::l1::; + end + + while true do + goto l4 + goto l1 -- ok to jump over local dec. to end of block + goto l1 -- multiple uses of same label + local x = 45 + ::l1:: ;;; + end + ::l4:: assert(x == 13) + + if print then + goto l1 -- ok to jump over local dec. to end of block + error("should not be here") + goto l2 -- ok to jump over local dec. to end of block + local x + ::l1:: ; ::l2:: ;; + else end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] goto: to repeat a label in a different function is OK", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function foo () + local a = {} + goto l3 + ::l1:: a[#a + 1] = 1; goto l2; + ::l2:: a[#a + 1] = 2; goto l5; + ::l3:: + ::l3a:: a[#a + 1] = 3; goto l1; + ::l4:: a[#a + 1] = 4; goto l6; + ::l5:: a[#a + 1] = 5; goto l4; + ::l6:: assert(a[1] == 3 and a[2] == 1 and a[3] == 2 and + a[4] == 5 and a[5] == 4) + if not a[6] then a[6] = true; goto l3a end -- do it twice + end + + ::l6:: foo() + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] goto: bug in 5.2 -> 5.3.2", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do -- bug in 5.2 -> 5.3.2 + local x + ::L1:: + local y -- cannot join this SETNIL with previous one + assert(y == nil) + y = true + if x == nil then + x = 1 + goto L1 + else + x = x + 1 + end + assert(x == 2 and y == true) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] goto: testing closing of upvalues", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function foo () + local t = {} + do + local i = 1 + local a, b, c, d + t[1] = function () return a, b, c, d end + ::l1:: + local b + do + local c + t[#t + 1] = function () return a, b, c, d end -- t[2], t[4], t[6] + if i > 2 then goto l2 end + do + local d + t[#t + 1] = function () return a, b, c, d end -- t[3], t[5] + i = i + 1 + local a + goto l1 + end + end + end + ::l2:: return t + end + + local a = foo() + assert(#a == 6) + + -- all functions share same 'a' + for i = 2, 6 do + assert(debug.upvalueid(a[1], 1) == debug.upvalueid(a[i], 1)) + end + + -- 'b' and 'c' are shared among some of them + for i = 2, 6 do + -- only a[1] uses external 'b'/'b' + assert(debug.upvalueid(a[1], 2) ~= debug.upvalueid(a[i], 2)) + assert(debug.upvalueid(a[1], 3) ~= debug.upvalueid(a[i], 3)) + end + + for i = 3, 5, 2 do + -- inner functions share 'b'/'c' with previous ones + assert(debug.upvalueid(a[i], 2) == debug.upvalueid(a[i - 1], 2)) + assert(debug.upvalueid(a[i], 3) == debug.upvalueid(a[i - 1], 3)) + -- but not with next ones + assert(debug.upvalueid(a[i], 2) ~= debug.upvalueid(a[i + 1], 2)) + assert(debug.upvalueid(a[i], 3) ~= debug.upvalueid(a[i + 1], 3)) + end + + -- only external 'd' is shared + for i = 2, 6, 2 do + assert(debug.upvalueid(a[1], 4) == debug.upvalueid(a[i], 4)) + end + + -- internal 'd's are all different + for i = 3, 5, 2 do + for j = 1, 6 do + assert((debug.upvalueid(a[i], 4) == debug.upvalueid(a[j], 4)) + == (i == j)) + end + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] goto: testing if x goto optimizations", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function testG (a) + if a == 1 then + goto l1 + error("should never be here!") + elseif a == 2 then goto l2 + elseif a == 3 then goto l3 + elseif a == 4 then + goto l1 -- go to inside the block + error("should never be here!") + ::l1:: a = a + 1 -- must go to 'if' end + else + goto l4 + ::l4a:: a = a * 2; goto l4b + error("should never be here!") + ::l4:: goto l4a + error("should never be here!") + ::l4b:: + end + do return a end + ::l2:: do return "2" end + ::l3:: do return "3" end + ::l1:: return "1" + end + + assert(testG(1) == "1") + assert(testG(2) == "2") + assert(testG(3) == "3") + assert(testG(4) == 5) + assert(testG(5) == 10) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); diff --git a/test/test-suite/literals.test.js b/test/test-suite/literals.test.js new file mode 100644 index 0000000..3e9307b --- /dev/null +++ b/test/test-suite/literals.test.js @@ -0,0 +1,414 @@ +"use strict"; + +const lua = require('../../src/lua.js'); +const lauxlib = require('../../src/lauxlib.js'); +const lualib = require('../../src/lualib.js'); +const {to_luastring} = require("../../src/fengaricore.js"); + +const dostring = ` + local function dostring (x) return assert(load(x), "")() end +`; + +test("[test-suite] literals: dostring", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + dostring("x \\v\\f = \\t\\r 'a\\0a' \\v\\f\\f") + assert(x == 'a\\0a' and string.len(x) == 3) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +// TODO: bell character '\a' in JS is parsed as 'a' +test("[test-suite] literals: escape sequences", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert('\\n\\"\\'\\\\' == [[ + +"'\\]]) + assert(string.find("\\b\\f\\n\\r\\t\\v", "^%c%c%c%c%c%c$")) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] literals: assume ASCII just for tests", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert("\\09912" == 'c12') + assert("\\99ab" == 'cab') + assert("\\099" == '\\99') + assert("\\099\\n" == 'c\\10') + assert('\\0\\0\\0alo' == '\\0' .. '\\0\\0' .. 'alo') + + assert(010 .. 020 .. -030 == "1020-30") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] literals: hexadecimal escapes", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert("\\x00\\x05\\x10\\x1f\\x3C\\xfF\\xe8" == "\\0\\5\\16\\31\\60\\255\\232") + + local function lexstring (x, y, n) + local f = assert(load('return ' .. x .. + ', require"debug".getinfo(1).currentline', '')) + local s, l = f() + assert(s == y and l == n) + end + + lexstring("'abc\\\\z \\n efg'", "abcefg", 2) + lexstring("'abc\\\\z \\n\\n\\n'", "abc", 4) + lexstring("'\\\\z \\n\\t\\f\\v\\n'", "", 3) + lexstring("[[\\nalo\\nalo\\n\\n]]", "alo\\nalo\\n\\n", 5) + lexstring("[[\\nalo\\ralo\\n\\n]]", "alo\\nalo\\n\\n", 5) + lexstring("[[\\nalo\\ralo\\r\\n]]", "alo\\nalo\\n", 4) + lexstring("[[\\ralo\\n\\ralo\\r\\n]]", "alo\\nalo\\n", 4) + lexstring("[[alo]\\n]alo]]", "alo]\\n]alo", 2) + +assert("abc\\z + def\\z + ghi\\z + " == 'abcdefghi') + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] literals: UTF-8 sequences", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert("\\u{0}\\u{00000000}\\x00\\0" == string.char(0, 0, 0, 0)) + + -- limits for 1-byte sequences + assert("\\u{0}\\u{7F}" == "\\x00\\z\\x7F") + + -- limits for 2-byte sequences + assert("\\u{80}\\u{7FF}" == "\\xC2\\x80\\z\\xDF\\xBF") + + -- limits for 3-byte sequences + assert("\\u{800}\\u{FFFF}" == "\\xE0\\xA0\\x80\\z\\xEF\\xBF\\xBF") + + -- limits for 4-byte sequences + assert("\\u{10000}\\u{10FFFF}" == "\\xF0\\x90\\x80\\x80\\z\\xF4\\x8F\\xBF\\xBF") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] literals: Error in escape sequences", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function lexerror (s, err) + local st, msg = load('return ' .. s, '') + if err ~= '<eof>' then err = err .. "'" end + assert(not st and string.find(msg, "near .-" .. err)) + end + + lexerror([["abc\\x"]], [[\\x"]]) + lexerror([["abc\\x]], [[\\x]]) + lexerror([["\\x]], [[\\x]]) + lexerror([["\\x5"]], [[\\x5"]]) + lexerror([["\\x5]], [[\\x5]]) + lexerror([["\\xr"]], [[\\xr]]) + lexerror([["\\xr]], [[\\xr]]) + lexerror([["\\x.]], [[\\x.]]) + lexerror([["\\x8%"]], [[\\x8%%]]) + lexerror([["\\xAG]], [[\\xAG]]) + lexerror([["\\g"]], [[\\g]]) + lexerror([["\\g]], [[\\g]]) + lexerror([["\\."]], [[\\%.]]) + + lexerror([["\\999"]], [[\\999"]]) + lexerror([["xyz\\300"]], [[\\300"]]) + lexerror([[" \\256"]], [[\\256"]]) + + -- errors in UTF-8 sequences + lexerror([["abc\\u{110000}"]], [[abc\\u{110000]]) -- too large + lexerror([["abc\\u11r"]], [[abc\\u1]]) -- missing '{' + lexerror([["abc\\u"]], [[abc\\u"]]) -- missing '{' + lexerror([["abc\\u{11r"]], [[abc\\u{11r]]) -- missing '}' + lexerror([["abc\\u{11"]], [[abc\\u{11"]]) -- missing '}' + lexerror([["abc\\u{11]], [[abc\\u{11]]) -- missing '}' + lexerror([["abc\\u{r"]], [[abc\\u{r]]) -- no digits + + -- unfinished strings + lexerror("[=[alo]]", "<eof>") + lexerror("[=[alo]=", "<eof>") + lexerror("[=[alo]", "<eof>") + lexerror("'alo", "<eof>") + lexerror("'alo \\\\z \\n\\n", "<eof>") + lexerror("'alo \\\\z", "<eof>") + lexerror([['alo \\98]], "<eof>") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] literals: valid characters in variable names", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + for i = 0, 255 do + local s = string.char(i) + assert(not string.find(s, "[a-zA-Z_]") == not load(s .. "=1", "")) + assert(not string.find(s, "[a-zA-Z_0-9]") == + not load("a" .. s .. "1 = 1", "")) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] literals: long variable names", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + var1 = string.rep('a', 15000) .. '1' + var2 = string.rep('a', 15000) .. '2' + prog = string.format([[ + %s = 5 + %s = %s + 1 + return function () return %s - %s end + ]], var1, var2, var1, var1, var2) + local f = dostring(prog) + assert(_G[var1] == 5 and _G[var2] == 6 and f() == -1) + var1, var2, f = nil + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] literals: escapes", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = `assert("\\n\\t" == [[\n\n\t]]) +assert([[\n\n $debug]] == "\\n $debug") +assert([[ [ ]] ~= [[ ] ]])`; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] literals: long strings", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = `b = "001234567890123456789012345678901234567891234567890123456789012345678901234567890012345678901234567890123456789012345678912345678901234567890123456789012345678900123456789012345678901234567890123456789123456789012345678901234567890123456789001234567890123456789012345678901234567891234567890123456789012345678901234567890012345678901234567890123456789012345678912345678901234567890123456789012345678900123456789012345678901234567890123456789123456789012345678901234567890123456789001234567890123456789012345678901234567891234567890123456789012345678901234567890012345678901234567890123456789012345678912345678901234567890123456789012345678900123456789012345678901234567890123456789123456789012345678901234567890123456789001234567890123456789012345678901234567891234567890123456789012345678901234567890012345678901234567890123456789012345678912345678901234567890123456789012345678900123456789012345678901234567890123456789123456789012345678901234567890123456789" +assert(string.len(b) == 960) +prog = [=[ + +a1 = [["this is a 'string' with several 'quotes'"]] +a2 = "'quotes'" + +assert(string.find(a1, a2) == 34) + +a1 = [==[temp = [[an arbitrary value]]; ]==] +assert(load(a1))() +assert(temp == 'an arbitrary value') +-- long strings -- +b = "001234567890123456789012345678901234567891234567890123456789012345678901234567890012345678901234567890123456789012345678912345678901234567890123456789012345678900123456789012345678901234567890123456789123456789012345678901234567890123456789001234567890123456789012345678901234567891234567890123456789012345678901234567890012345678901234567890123456789012345678912345678901234567890123456789012345678900123456789012345678901234567890123456789123456789012345678901234567890123456789001234567890123456789012345678901234567891234567890123456789012345678901234567890012345678901234567890123456789012345678912345678901234567890123456789012345678900123456789012345678901234567890123456789123456789012345678901234567890123456789001234567890123456789012345678901234567891234567890123456789012345678901234567890012345678901234567890123456789012345678912345678901234567890123456789012345678900123456789012345678901234567890123456789123456789012345678901234567890123456789" +assert(string.len(b) == 960) + +a = [[00123456789012345678901234567890123456789123456789012345678901234567890123456789 +00123456789012345678901234567890123456789123456789012345678901234567890123456789 +00123456789012345678901234567890123456789123456789012345678901234567890123456789 +00123456789012345678901234567890123456789123456789012345678901234567890123456789 +00123456789012345678901234567890123456789123456789012345678901234567890123456789 +00123456789012345678901234567890123456789123456789012345678901234567890123456789 +00123456789012345678901234567890123456789123456789012345678901234567890123456789 +00123456789012345678901234567890123456789123456789012345678901234567890123456789 +00123456789012345678901234567890123456789123456789012345678901234567890123456789 +00123456789012345678901234567890123456789123456789012345678901234567890123456789 +00123456789012345678901234567890123456789123456789012345678901234567890123456789 +00123456789012345678901234567890123456789123456789012345678901234567890123456789 +00123456789012345678901234567890123456789123456789012345678901234567890123456789 +00123456789012345678901234567890123456789123456789012345678901234567890123456789 +00123456789012345678901234567890123456789123456789012345678901234567890123456789 +00123456789012345678901234567890123456789123456789012345678901234567890123456789 +00123456789012345678901234567890123456789123456789012345678901234567890123456789 +00123456789012345678901234567890123456789123456789012345678901234567890123456789 +00123456789012345678901234567890123456789123456789012345678901234567890123456789 +00123456789012345678901234567890123456789123456789012345678901234567890123456789 +00123456789012345678901234567890123456789123456789012345678901234567890123456789 +00123456789012345678901234567890123456789123456789012345678901234567890123456789 +00123456789012345678901234567890123456789123456789012345678901234567890123456789 +]] +assert(string.len(a) == 1863) +assert(string.sub(a, 1, 40) == string.sub(b, 1, 40)) +x = 1 +]=] + +x = nil +dostring(prog) +assert(x) + +prog = nil +a = nil +b = nil`; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] literals: testing line ends", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = `prog = [[ +a = 1 -- a comment +b = 2 + + +x = [=[ +hi +]=] +y = "\\ +hello\\r\\n\\ +" +return require"debug".getinfo(1).currentline +]] + +for _, n in pairs{"\\n", "\\r", "\\n\\r", "\\r\\n"} do + local prog, nn = string.gsub(prog, "\\n", n) + assert(dostring(prog) == nn) + assert(_G.x == "hi\\n" and _G.y == "\\nhello\\r\\n\\n") +end`; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] literals: testing comments and strings with long brackets", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = `a = [==[]=]==] +assert(a == "]=") + +a = [==[[===[[=[]]=][====[]]===]===]==] +assert(a == "[===[[=[]]=][====[]]===]===") + +a = [====[[===[[=[]]=][====[]]===]===]====] +assert(a == "[===[[=[]]=][====[]]===]===") + +a = [=[]]]]]]]]]=] +assert(a == "]]]]]]]]") + + +--[===[ +x y z [==[ blu foo +]== +] +]=]==] +error error]=]===]`; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] literals: generate all strings of four of these chars", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = `local x = {"=", "[", "]", "\\n"} +local len = 4 +local function gen (c, n) + if n==0 then coroutine.yield(c) + else + for _, a in pairs(x) do + gen(c..a, n-1) + end + end +end + +for s in coroutine.wrap(function () gen("", len) end) do + assert(s == load("return [====[\\n"..s.."]====]", "")()) +end`; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] literals: testing %q x line ends", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local s = "a string with \\r and \\n and \\r\\n and \\n\\r" + local c = string.format("return %q", s) + assert(assert(load(c))() == s) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] literals: testing errors", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(not load"a = 'non-ending string") + assert(not load"a = 'non-ending string\\n'") + assert(not load"a = '\\\\345'") + assert(not load"a = [=x]") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); diff --git a/test/test-suite/locals.test.js b/test/test-suite/locals.test.js new file mode 100644 index 0000000..2701519 --- /dev/null +++ b/test/test-suite/locals.test.js @@ -0,0 +1,187 @@ +"use strict"; + +const lua = require('../../src/lua.js'); +const lauxlib = require('../../src/lauxlib.js'); +const lualib = require('../../src/lualib.js'); +const {to_luastring} = require("../../src/fengaricore.js"); + +test('[test-suite] locals: bug in 5.1', () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function f(x) x = nil; return x end + assert(f(10) == nil) + + local function f() local x; return x end + assert(f(10) == nil) + + local function f(x) x = nil; local y; return x, y end + assert(f(10) == nil and select(2, f(20)) == nil) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test('[test-suite] locals: local scope', () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local i = 10 + do local i = 100; assert(i==100) end + do local i = 1000; assert(i==1000) end + assert(i == 10) + if i ~= 10 then + local i = 20 + else + local i = 30 + assert(i == 30) + end + end + + f = nil + + local f + x = 1 + + a = nil + load('local a = {}')() + assert(a == nil) + + function f (a) + local _1, _2, _3, _4, _5 + local _6, _7, _8, _9, _10 + local x = 3 + local b = a + local c,d = a,b + if (d == b) then + local x = 'q' + x = b + assert(x == 2) + else + assert(nil) + end + assert(x == 3) + local f = 10 + end + + local b=10 + local a; repeat local b; a,b=1,2; assert(a+1==b); until a+b==3 + + + assert(x == 1) + + f(2) + assert(type(f) == 'function') + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +const getenv = ` + local function getenv (f) + local a,b = debug.getupvalue(f, 1) + assert(a == '_ENV') + return b + end +`; + + +test('[test-suite] locals: test for global table of loaded chunks', () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(getenv(load"a=3") == _G) + local c = {}; local f = load("a = 3", nil, nil, c) + assert(getenv(f) == c) + assert(c.a == nil) + f() + assert(c.a == 3) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(getenv + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test('[test-suite] locals: old test for limits for special instructions (now just a generic test)', () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local i = 2 + local p = 4 -- p == 2^i + repeat + for j=-3,3 do + assert(load(string.format([[local a=%s; + a=a+%s; + assert(a ==2^%s)]], j, p-j, i), '')) () + assert(load(string.format([[local a=%s; + a=a-%s; + assert(a==-2^%s)]], -j, p-j, i), '')) () + assert(load(string.format([[local a,b=0,%s; + a=b-%s; + assert(a==-2^%s)]], -j, p-j, i), '')) () + end + p = 2 * p; i = i + 1 + until p <= 0 + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test('[test-suite] locals: testing lexical environments', () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(_ENV == _G) + + do + local dummy + local _ENV = (function (...) return ... end)(_G, dummy) -- { + + do local _ENV = {assert=assert}; assert(true) end + mt = {_G = _G} + local foo,x + A = false -- "declare" A + do local _ENV = mt + function foo (x) + A = x + do local _ENV = _G; A = 1000 end + return function (x) return A .. x end + end + end + assert(getenv(foo) == mt) + x = foo('hi'); assert(mt.A == 'hi' and A == 1000) + assert(x('*') == mt.A .. '*') + + do local _ENV = {assert=assert, A=10}; + do local _ENV = {assert=assert, A=20}; + assert(A==20);x=A + end + assert(A==10 and x==20) + end + assert(x==20) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(getenv + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); diff --git a/test/test-suite/ltests.js b/test/test-suite/ltests.js new file mode 100644 index 0000000..6fc086c --- /dev/null +++ b/test/test-suite/ltests.js @@ -0,0 +1,873 @@ +"use strict"; + +const assert = require("assert"); + +const lua = require('../../src/lua.js'); +const lauxlib = require('../../src/lauxlib.js'); +const { + luastring_eq, + luastring_indexOf, + to_jsstring, + to_luastring +} = require("../../src/fengaricore.js"); +const ljstype = require('../../src/ljstype.js'); +const lopcodes = require('../../src/lopcodes.js'); +const { pushobj2s } = require('../../src/lobject.js'); +const sprintf = require('sprintf-js').sprintf; + +const delimits = [" ", "\t", "\n", ",", ";"].map(e => e.charCodeAt(0)); + +const skip = function(pc) { + for (;;) { + if (pc.script[pc.offset] !== 0 && pc.offset < pc.script.length && delimits.indexOf(pc.script[pc.offset]) >= 0) + pc.offset++; + else if (pc.script[pc.offset] === '#'.charCodeAt(0)) { + while (pc.script[pc.offset] !== '\n'.charCodeAt(0) && pc.script[pc.offset] !== 0 && pc.offset < pc.script.length) + pc.offset++; + } else break; + } +}; + +const getnum = function(L, L1, pc) { + let res = 0; + let sig = 1; + skip(pc); + if (pc.script[pc.offset] === '.'.charCodeAt(0)) { + res = lua.lua_tointeger(L1, -1); + lua.lua_pop(L1, 1); + pc.offset++; + return res; + } else if (pc.script[pc.offset] === '*'.charCodeAt(0)) { + res = lua.lua_gettop(L1); + pc.offset++; + return res; + } + else if (pc.script[pc.offset] === '-'.charCodeAt(0)) { + sig = -1; + pc.offset++; + } + if (!ljstype.lisdigit(pc.script[pc.offset])) + lauxlib.luaL_error(L, to_luastring("number expected (%s)"), pc.script); + while (ljstype.lisdigit(pc.script[pc.offset])) res = res*10 + pc.script[pc.offset++] - '0'.charCodeAt(0); + return sig*res; +}; + +const getstring = function(L, buff, pc) { + let i = 0; + skip(pc); + if (pc.script[pc.offset] === '"'.charCodeAt(0) || pc.script[pc.offset] === '\''.charCodeAt(0)) { /* quoted string? */ + let quote = pc.script[pc.offset++]; + while (pc.script[pc.offset] !== quote) { + if (pc.script[pc.offset] === 0 || pc.offset >= pc.script.length) + lauxlib.luaL_error(L, to_luastring("unfinished string in JS script", true)); + buff[i++] = pc.script[pc.offset++]; + } + pc.offset++; + } else { + while (pc.script[pc.offset] !== 0 && pc.offset < pc.script.length && delimits.indexOf(pc.script[pc.offset]) < 0) + buff[i++] = pc.script[pc.offset++]; + } + return buff.subarray(0, i); +}; + +const getindex = function(L, L1, pc) { + skip(pc); + switch (pc.script[pc.offset++]) { + case 'R'.charCodeAt(0): return lua.LUA_REGISTRYINDEX; + case 'G'.charCodeAt(0): return lauxlib.luaL_error(L, to_luastring("deprecated index 'G'", true)); + case 'U'.charCodeAt(0): return lua.lua_upvalueindex(getnum(L, L1, pc)); + default: pc.offset--; return getnum(L, L1, pc); + } +}; + +const codes = ["OK", "YIELD", "ERRRUN", "ERRSYNTAX", "ERRMEM", "ERRGCMM", "ERRERR"].map(e => to_luastring(e)); + +const pushcode = function(L, code) { + lua.lua_pushstring(L, codes[code]); +}; + +const printstack = function(L) { + let n = lua.lua_gettop(L); + for (let i = 1; i <= n; i++) { + console.log("${i}: %{to_jsstring(lauxlib.luaL_tolstring(L, i, null))}\n"); + lua.lua_pop(L, 1); + } + console.log(""); +}; + +/* +** arithmetic operation encoding for 'arith' instruction +** LUA_OPIDIV -> \ +** LUA_OPSHL -> < +** LUA_OPSHR -> > +** LUA_OPUNM -> _ +** LUA_OPBNOT -> ! +*/ +const ops = "+-*%^/\\&|~<>_!".split('').map(e => e.charCodeAt(0)); + +const runJS = function(L, L1, pc) { + let buff = new Uint8Array(300); + let status = 0; + if (!pc || !pc.script) return lauxlib.luaL_error(L, to_luastring("attempt to runJS null script")); + for (;;) { + let inst = to_jsstring(getstring(L, buff, pc)); + if (inst.length === 0) return 0; + switch (inst) { + case "absindex": { + lua.lua_pushnumber(L1, lua.lua_absindex(L1, getindex(L, L1, pc))); + break; + } + case "append": { + let t = getindex(L, L1, pc); + let i = lua.lua_rawlen(L1, t); + lua.lua_rawseti(L1, t, i + 1); + break; + } + case "arith": { + let op; + skip(pc); + op = ops.indexOf(pc.script[pc.offset++]); + lua.lua_arith(L1, op); + break; + } + case "call": { + let narg = getnum(L, L1, pc); + let nres = getnum(L, L1, pc); + lua.lua_call(L1, narg, nres); + break; + } + case "callk": { + let narg = getnum(L, L1, pc); + let nres = getnum(L, L1, pc); + let i = getindex(L, L1, pc); + lua.lua_callk(L1, narg, nres, i, Cfunck); + break; + } + case "checkstack": { + let sz = getnum(L, L1, pc); + let msg = getstring(L, buff, pc); + if (msg.length === 0) + msg = null; /* to test 'luaL_checkstack' with no message */ + lauxlib.luaL_checkstack(L1, sz, msg); + break; + } + case "compare": { + let opt = getstring(L, buff, pc); /* EQ, LT, or LE */ + let op = (opt[0] === 'E'.charCodeAt(0)) + ? lua.LUA_OPEQ + : (opt[1] === 'T'.charCodeAt(0)) ? lua.LUA_OPLT : lua.LUA_OPLE; + let a = getindex(L, L1, pc); + let b = getindex(L, L1, pc); + lua.lua_pushboolean(L1, lua.lua_compare(L1, a, b, op)); + break; + } + case "concat": { + lua.lua_concat(L1, getnum(L, L1, pc)); + break; + } + case "copy": { + let f = getindex(L, L1, pc); + lua.lua_copy(L1, f, getindex(L, L1, pc)); + break; + } + case "func2num": { + let func = lua.lua_tocfunction(L1, getindex(L, L1, pc)); + if (func === null) func = 0; + else if (func.id) func = func.id; + lua.lua_pushnumber(L1, func); + break; + } + case "getfield": { + let t = getindex(L, L1, pc); + lua.lua_getfield(L1, t, getstring(L, buff, pc)); + break; + } + case "getglobal": { + lua.lua_getglobal(L1, getstring(L, buff, pc)); + break; + } + case "getmetatable": { + if (lua.lua_getmetatable(L1, getindex(L, L1, pc)) === 0) + lua.lua_pushnil(L1); + break; + } + case "gettable": { + lua.lua_gettable(L1, getindex(L, L1, pc)); + break; + } + case "gettop": { + lua.lua_pushinteger(L1, lua.lua_gettop(L1)); + break; + } + case "gsub": { + let a = getnum(L, L1, pc); + let b = getnum(L, L1, pc); + let c = getnum(L, L1, pc); + lauxlib.luaL_gsub(L1, lua.lua_tostring(L1, a), lua.lua_tostring(L1, b), lua.lua_tostring(L1, c)); + break; + } + case "insert": { + lua.lua_insert(L1, getnum(L, L1, pc)); + break; + } + case "iscfunction": { + lua.lua_pushboolean(L1, lua.lua_iscfunction(L1, getindex(L, L1, pc))); + break; + } + case "isfunction": { + lua.lua_pushboolean(L1, lua.lua_isfunction(L1, getindex(L, L1, pc))); + break; + } + case "isnil": { + lua.lua_pushboolean(L1, lua.lua_isnil(L1, getindex(L, L1, pc))); + break; + } + case "isnull": { + lua.lua_pushboolean(L1, lua.lua_isnone(L1, getindex(L, L1, pc))); + break; + } + case "isnumber": { + lua.lua_pushboolean(L1, lua.lua_isnumber(L1, getindex(L, L1, pc))); + break; + } + case "isstring": { + lua.lua_pushboolean(L1, lua.lua_isstring(L1, getindex(L, L1, pc))); + break; + } + case "istable": { + lua.lua_pushboolean(L1, lua.lua_istable(L1, getindex(L, L1, pc))); + break; + } + case "isudataval": { + lua.lua_pushboolean(L1, lua.lua_islightuserdata(L1, getindex(L, L1, pc))); + break; + } + case "isuserdata": { + lua.lua_pushboolean(L1, lua.lua_isuserdata(L1, getindex(L, L1, pc))); + break; + } + case "len": { + lua.lua_len(L1, getindex(L, L1, pc)); + break; + } + case "Llen": { + lua.lua_pushinteger(L1, lauxlib.luaL_len(L1, getindex(L, L1, pc))); + break; + } + case "loadfile": { + lauxlib.luaL_loadfile(L1, lauxlib.luaL_checkstring(L1, getnum(L, L1, pc))); + break; + } + case "loadstring": { + let s = lauxlib.luaL_checkstring(L1, getnum(L, L1, pc)); + lauxlib.luaL_loadstring(L1, s); + break; + } + case "newmetatable": { + lua.lua_pushboolean(L1, lauxlib.luaL_newmetatable(L1, getstring(L, buff, pc))); + break; + } + case "newtable": { + lua.lua_newtable(L1); + break; + } + case "newthread": { + lua.lua_newthread(L1); + break; + } + case "newuserdata": { + lua.lua_newuserdata(L1, getnum(L, L1, pc)); + break; + } + case "next": { + lua.lua_next(L1, -2); + break; + } + case "objsize": { + lua.lua_pushinteger(L1, lua.lua_rawlen(L1, getindex(L, L1, pc))); + break; + } + case "pcall": { + let narg = getnum(L, L1, pc); + let nres = getnum(L, L1, pc); + status = lua.lua_pcall(L1, narg, nres, getnum(L, L1, pc)); + break; + } + case "pcallk": { + let narg = getnum(L, L1, pc); + let nres = getnum(L, L1, pc); + let i = getindex(L, L1, pc); + status = lua.lua_pcallk(L1, narg, nres, 0, i, Cfunck); + break; + } + case "pop": { + lua.lua_pop(L1, getnum(L, L1, pc)); + break; + } + case "print": { + let n = getnum(L, L1, pc); + if (n !== 0) { + console.log(`${lauxlib.luaL_tojsstring(L1, n, null)}\n`); + lua.lua_pop(L1, 1); + } + else printstack(L1); + break; + } + case "pushbool": { + lua.lua_pushboolean(L1, getnum(L, L1, pc)); + break; + } + case "pushcclosure": { + lua.lua_pushcclosure(L1, testJS, getnum(L, L1, pc)); + break; + } + case "pushint": { + lua.lua_pushinteger(L1, getnum(L, L1, pc)); + break; + } + case "pushnil": { + lua.lua_pushnil(L1); + break; + } + case "pushnum": { + lua.lua_pushnumber(L1, getnum(L, L1, pc)); + break; + } + case "pushstatus": { + pushcode(L1, status); + break; + } + case "pushstring": { + lua.lua_pushstring(L1, getstring(L, buff, pc)); + break; + } + case "pushupvalueindex": { + lua.lua_pushinteger(L1, lua.lua_upvalueindex(getnum(L, L1, pc))); + break; + } + case "pushvalue": { + lua.lua_pushvalue(L1, getindex(L, L1, pc)); + break; + } + case "rawgeti": { + let t = getindex(L, L1, pc); + lua.lua_rawgeti(L1, t, getnum(L, L1, pc)); + break; + } + case "rawgetp": { + let t = getindex(L, L1, pc); + lua.lua_rawgetp(L1, t, getnum(L, L1, pc)); + break; + } + case "rawsetp": { + let t = getindex(L, L1, pc); + lua.lua_rawsetp(L1, t, getnum(L, L1, pc)); + break; + } + case "remove": { + lua.lua_remove(L1, getnum(L, L1, pc)); + break; + } + case "replace": { + lua.lua_replace(L1, getindex(L, L1, pc)); + break; + } + case "resume": { + let i = getindex(L, L1, pc); + status = lua.lua_resume(lua.lua_tothread(L1, i), L, getnum(L, L1, pc)); + break; + } + case "return": { + let n = getnum(L, L1, pc); + if (L1 != L) { + let i; + for (i = 0; i < n; i++) + lua.lua_pushstring(L, lua.lua_tostring(L1, -(n - i))); + } + return n; + } + case "rotate": { + let i = getindex(L, L1, pc); + lua.lua_rotate(L1, i, getnum(L, L1, pc)); + break; + } + case "setfield": { + let t = getindex(L, L1, pc); + lua.lua_setfield(L1, t, getstring(L, buff, pc)); + break; + } + case "setglobal": { + lua.lua_setglobal(L1, getstring(L, buff, pc)); + break; + } + case "sethook": { + let mask = getnum(L, L1, pc); + let count = getnum(L, L1, pc); + sethookaux(L1, mask, count, getstring(L, buff, pc)); + break; + } + case "setmetatable": { + lua.lua_setmetatable(L1, getindex(L, L1, pc)); + break; + } + case "settable": { + lua.lua_settable(L1, getindex(L, L1, pc)); + break; + } + case "settop": { + lua.lua_settop(L1, getnum(L, L1, pc)); + break; + } + case "testudata": { + let i = getindex(L, L1, pc); + lua.lua_pushboolean(L1, lauxlib.luaL_testudata(L1, i, getstring(L, buff, pc)) !== null); + break; + } + case "error": { + lua.lua_error(L1); + break; + } + case "throw": { + throw new Error(); + } + case "tobool": { + lua.lua_pushboolean(L1, lua.lua_toboolean(L1, getindex(L, L1, pc))); + break; + } + case "tocfunction": { + lua.lua_pushcfunction(L1, lua.lua_tocfunction(L1, getindex(L, L1, pc))); + break; + } + case "tointeger": { + lua.lua_pushinteger(L1, lua.lua_tointeger(L1, getindex(L, L1, pc))); + break; + } + case "tonumber": { + lua.lua_pushnumber(L1, lua.lua_tonumber(L1, getindex(L, L1, pc))); + break; + } + case "topointer": { + let p = lua.lua_topointer(L1, getindex(L, L1, pc)); + if (p === null) p = 0; + else if (p.id) p = p.id; + lua.lua_pushnumber(L1, p); /* in ltests.c, p is casted to a size_t so NULL gives 0 */ + break; + } + case "tostring": { + let s = lua.lua_tostring(L1, getindex(L, L1, pc)); + let s1 = lua.lua_pushstring(L1, s); + assert(luastring_eq(s, s1)); + break; + } + case "type": { + lua.lua_pushstring(L1, lauxlib.luaL_typename(L1, getnum(L, L1, pc))); + break; + } + case "xmove": { + let f = getindex(L, L1, pc); + let t = getindex(L, L1, pc); + let fs = (f === 0) ? L1 : lua.lua_tothread(L1, f); + let ts = (t === 0) ? L1 : lua.lua_tothread(L1, t); + let n = getnum(L, L1, pc); + if (n === 0) n = lua.lua_gettop(fs); + lua.lua_xmove(fs, ts, n); + break; + } + case "yield": { + return lua.lua_yield(L1, getnum(L, L1, pc)); + } + case "yieldk": { + let nres = getnum(L, L1, pc); + let i = getindex(L, L1, pc); + return lua.lua_yieldk(L1, nres, i, Cfunck); + } + default: + lauxlib.luaL_error(L, to_luastring("unknown instruction %s"), buff); + } + } +}; + + +const testJS = function(L) { + let L1; + let pc; + if (lua.lua_isuserdata(L, 1)) { + L1 = getstate(L); + pc = lauxlib.luaL_checkstring(L, 2); + } else if (lua.lua_isthread(L, 1)) { + L1 = lua.lua_tothread(L, 1); + pc = lauxlib.luaL_checkstring(L, 2); + } else { + L1 = L; + pc = lauxlib.luaL_checkstring(L, 1); + } + return runJS(L, L1, { script: pc, offset: 0 }); +}; + +const upvalue = function(L) { + let n = lauxlib.luaL_checkinteger(L, 2); + lauxlib.luaL_checktype(L, 1, lua.LUA_TFUNCTION); + if (lua.lua_isnone(L, 3)) { + let name = lua.lua_getupvalue(L, 1, n); + if (name === null) return 0; + lua.lua_pushstring(L, name); + return 2; + } + else { + let name = lua.lua_setupvalue(L, 1, n); + lua.lua_pushstring(L, name); + return 1; + } +}; + +const pushuserdata = function(L) { + let u = lauxlib.luaL_checkinteger(L, 1); + lua.lua_pushlightuserdata(L, u); + return 1; +}; + +const udataval = function(L) { + lua.lua_pushinteger(L, lua.lua_touserdata(L, 1)); + return 1; +}; + +const d2s = function(L) { + let d = lauxlib.luaL_checknumber(L, 1); + let b = new ArrayBuffer(8); + new DataView(b).setFloat64(0, d, true); + lua.lua_pushlstring(L, new Uint8Array(b), 8); + return 1; +}; + +const s2d = function(L) { + let b = lauxlib.luaL_checkstring(L, 1); + let dv = new DataView(b.buffer); + lua.lua_pushnumber(L, dv.getFloat64(0, true)); + return 1; +}; + +const newstate = function(L) { + let L1 = lua.lua_newstate(); + if (L1) { + lua.lua_atpanic(L1, tpanic); + lua.lua_pushlightuserdata(L, L1); + } + else + lua.lua_pushnil(L); + return 1; +}; + +const getstate = function(L) { + let L1 = lua.lua_touserdata(L, 1); + lauxlib.luaL_argcheck(L, L1 !== null, 1, "state expected"); + return L1; +}; + +const luaopen_base = require("../../src/lbaselib.js").luaopen_base; +const luaopen_coroutine = require("../../src/lcorolib.js").luaopen_coroutine; +const luaopen_debug = require("../../src/ldblib.js").luaopen_debug; +const luaopen_io = require("../../src/liolib.js").luaopen_io; +const luaopen_os = require("../../src/loslib.js").luaopen_os; +const luaopen_math = require("../../src/lmathlib.js").luaopen_math; +const luaopen_string = require("../../src/lstrlib.js").luaopen_string; +const luaopen_table = require("../../src/ltablib.js").luaopen_table; +const luaopen_package = require("../../src/loadlib.js").luaopen_package; + +const loadlib = function(L) { + let libs = { + "_G": luaopen_base, + "coroutine": luaopen_coroutine, + "debug": luaopen_debug, + "io": luaopen_io, + "os": luaopen_os, + "math": luaopen_math, + "string": luaopen_string, + "table": luaopen_table + }; + let L1 = getstate(L); + lauxlib.luaL_requiref(L1, to_luastring("package", true), luaopen_package, 0); + assert(lua.lua_type(L1, -1) == lua.LUA_TTABLE); + /* 'requiref' should not reload module already loaded... */ + lauxlib.luaL_requiref(L1, to_luastring("package", true), null, 1); /* seg. fault if it reloads */ + /* ...but should return the same module */ + assert(lua.lua_compare(L1, -1, -2, lua.LUA_OPEQ)); + lauxlib.luaL_getsubtable(L1, lua.LUA_REGISTRYINDEX, lauxlib.LUA_PRELOAD_TABLE); + for (let name in libs) { + lua.lua_pushcfunction(L1, libs[name]); + lua.lua_setfield(L1, -2, to_luastring(name, true)); + } + return 0; +}; + +const closestate = function(L) { + let L1 = getstate(L); + lua.lua_close(L1); + return 0; +}; + +const doremote = function(L) { + let L1 = getstate(L); + let lcode; + let code = lauxlib.luaL_checklstring(L, 2, lcode); + let status; + lua.lua_settop(L1, 0); + status = lauxlib.luaL_loadbuffer(L1, code, lcode, code); + if (status === lua.LUA_OK) + status = lua.lua_pcall(L1, 0, lua.LUA_MULTRET, 0); + if (status !== lua.LUA_OK) { + lua.lua_pushnil(L); + lua.lua_pushstring(L, lua.lua_tostring(L1, -1)); + lua.lua_pushinteger(L, status); + return 3; + } + else { + let i = 0; + while (!lua.lua_isnone(L1, ++i)) + lua.lua_pushstring(L, lua.lua_tostring(L1, i)); + lua.lua_pop(L1, i-1); + return i-1; + } +}; + +const tpanic = function(L) { + console.error(`PANIC: unprotected error in call to Lua API (${lua.lua_tojsstring(L, -1)})\n`); + return process.exit(1); /* do not return to Lua */ +}; + +const newuserdata = function(L) { + lua.lua_newuserdata(L, lauxlib.luaL_checkinteger(L, 1)); + return 1; +}; + +/* +** C hook that runs the C script stored in registry.C_HOOK[L] +*/ +const Chook = function(L, ar) { + let scpt; + let events = ["call", "ret", "line", "count", "tailcall"].map(e => to_luastring(e)); + lua.lua_getfield(L, lua.LUA_REGISTRYINDEX, to_luastring("JS_HOOK", true)); + lua.lua_pushlightuserdata(L, L); + lua.lua_gettable(L, -2); /* get C_HOOK[L] (script saved by sethookaux) */ + scpt = lua.lua_tostring(L, -1); /* not very religious (string will be popped) */ + lua.lua_pop(L, 2); /* remove C_HOOK and script */ + lua.lua_pushstring(L, events[ar.event]); /* may be used by script */ + lua.lua_pushinteger(L, ar.currentline); /* may be used by script */ + runJS(L, L, { script: scpt, offset: 0 }); /* run script from C_HOOK[L] */ +}; + +class Aux { + constructor() { + this.paniccode = null; + this.L = null; + } +} + +/* +** does a long-jump back to "main program". +*/ +const panicback = function(L) { + let b = new Aux(); + lua.lua_checkstack(L, 1); /* open space for 'Aux' struct */ + lua.lua_getfield(L, lua.LUA_REGISTRYINDEX, to_luastring("_jmpbuf", true)); /* get 'Aux' struct */ + b = lua.lua_touserdata(L, -1); + lua.lua_pop(L, 1); /* remove 'Aux' struct */ + runJS(b.L, L, { script: b.paniccode, offset: 0 }); /* run optional panic code */ + throw 1; +}; + +const checkpanic = function(L) { + let b = new Aux(); + let code = lauxlib.luaL_checkstring(L, 1); + b.paniccode = lauxlib.luaL_optstring(L, 2, ""); + b.L = L; + let L1 = lua.lua_newstate(); /* create new state */ + if (L1 === null) { /* error? */ + lua.lua_pushnil(L); + return 1; + } + lua.lua_atpanic(L1, panicback); /* set its panic function */ + lua.lua_pushlightuserdata(L1, b); + lua.lua_setfield(L1, lua.LUA_REGISTRYINDEX, to_luastring("_jmpbuf", true)); /* store 'Aux' struct */ + try { /* set jump buffer */ + runJS(L, L1, { script: code, offset: 0 }); /* run code unprotected */ + lua.lua_pushliteral(L, "no errors"); + } catch (e) { /* error handling */ + /* move error message to original state */ + lua.lua_pushstring(L, lua.lua_tostring(L1, -1)); + } + lua.lua_close(L1); + return 1; +}; + +/* +** sets 'registry.C_HOOK[L] = scpt' and sets 'Chook' as a hook +*/ +const sethookaux = function(L, mask, count, scpt) { + if (scpt.length <= 0) { /* no script? */ + lua.lua_sethook(L, null, 0, 0); /* turn off hooks */ + return; + } + lua.lua_getfield(L, lua.LUA_REGISTRYINDEX, to_luastring("JS_HOOK", true)); /* get C_HOOK table */ + if (!lua.lua_istable(L, -1)) { /* no hook table? */ + lua.lua_pop(L, 1); /* remove previous value */ + lua.lua_newtable(L); /* create new C_HOOK table */ + lua.lua_pushvalue(L, -1); + lua.lua_setfield(L, lua.LUA_REGISTRYINDEX, to_luastring("JS_HOOK", true)); /* register it */ + } + lua.lua_pushlightuserdata(L, L); + lua.lua_pushstring(L, scpt); + lua.lua_settable(L, -3); /* C_HOOK[L] = script */ + lua.lua_sethook(L, Chook, mask, count); +}; + +const sethook = function(L) { + if (lua.lua_isnoneornil(L, 1)) + lua.lua_sethook(L, null, 0, 0); /* turn off hooks */ + else { + const scpt = lauxlib.luaL_checkstring(L, 1); + const smask = lauxlib.luaL_checkstring(L, 2); + let count = lauxlib.luaL_optinteger(L, 3, 0); + let mask = 0; + if (luastring_indexOf(smask, 'c'.charCodeAt(0)) >= 0) mask |= lua.LUA_MASKCALL; + if (luastring_indexOf(smask, 'r'.charCodeAt(0)) >= 0) mask |= lua.LUA_MASKRET; + if (luastring_indexOf(smask, 'l'.charCodeAt(0)) >= 0) mask |= lua.LUA_MASKLINE; + if (count > 0) mask |= lua.LUA_MASKCOUNT; + sethookaux(L, mask, count, scpt); + } + return 0; +}; + +const Cfunc = function(L) { + return runJS(L, L, { script: lua.lua_tostring(L, lua.lua_upvalueindex(1)), offset: 0 }); +}; + +const Cfunck = function(L, status, ctx) { + pushcode(L, status); + lua.lua_setglobal(L, to_luastring("status", true)); + lua.lua_pushinteger(L, ctx); + lua.lua_setglobal(L, to_luastring("ctx", true)); + return runJS(L, L, { script: lua.lua_tostring(L, ctx), offset: 0 }); +}; + +const makeCfunc = function(L) { + lauxlib.luaL_checkstring(L, 1); + lua.lua_pushcclosure(L, Cfunc, lua.lua_gettop(L)); + return 1; +}; + +const coresume = function(L) { + let status; + let co = lua.lua_tothread(L, 1); + lauxlib.luaL_argcheck(L, co, 1, "coroutine expected"); + status = lua.lua_resume(co, L, 0); + if (status != lua.LUA_OK && status !== lua.LUA_YIELD) { + lua.lua_pushboolean(L, 0); + lua.lua_insert(L, -2); + return 2; /* return false + error message */ + } + else { + lua.lua_pushboolean(L, 1); + return 1; + } +}; + +const obj_at = function(L, k) { + return L.stack[L.ci.funcOff + k].value.p; +}; + +const setnameval = function(L, name, val) { + lua.lua_pushstring(L, name); + lua.lua_pushinteger(L, val); + lua.lua_settable(L, -3); +}; + +const pushobject = function(L, o){ + pushobj2s(L, o); + assert(L.top <= L.ci.top, "stack overflow"); +}; + +const buildop = function(p, pc) { + let i = p.code[pc]; + let o = lopcodes.GET_OPCODE(i); + let name = lopcodes.OpCodes[o]; + let line = p.lineinfo.length !== 0 ? p.lineinfo[pc] : -1; + let result = sprintf("(%4d) %4d - ", line, pc); //`(${line}) ${pc} - `; + switch (lopcodes.getOpMode(o)) { + case lopcodes.iABC: + result += sprintf("%-12s%4d %4d %4d", name, lopcodes.GETARG_A(i), lopcodes.GETARG_B(i), lopcodes.GETARG_C(i)); // `${name} ${lopcodes.GETARG_A(i)} ${lopcodes.GETARG_B(i)} ${lopcodes.GETARG_C(i)}`; + break; + case lopcodes.iABx: + result += sprintf("%-12s%4d %4d", name, lopcodes.GETARG_A(i), lopcodes.GETARG_Bx(i)); // `${name} ${lopcodes.GETARG_A(i)} ${lopcodes.GETARG_Bx(i)}`; + break; + case lopcodes.iAsBx: + result += sprintf("%-12s%4d %4d", name, lopcodes.GETARG_A(i), lopcodes.GETARG_sBx(i)); // `${name} ${lopcodes.GETARG_A(i)} ${lopcodes.GETARG_sBx(i)}`; + break; + case lopcodes.iAx: + result += sprintf("%-12s%4d", name, lopcodes.GETARG_Ax(i)); // `${name} ${lopcodes.GETARG_Ax(i)}`; + break; + } + + return to_luastring(result); +}; + +const listcode = function(L) { + lauxlib.luaL_argcheck(L, lua.lua_isfunction(L, 1) && !lua.lua_iscfunction(L, 1), + 1, "Lua function expected"); + let p = obj_at(L, 1); + lua.lua_newtable(L); + setnameval(L, to_luastring("maxstack", true), p.maxstacksize); + setnameval(L, to_luastring("numparams", true), p.numparams); + for (let pc = 0; pc < p.code.length; pc++) { + lua.lua_pushinteger(L, pc+1); + lua.lua_pushstring(L, buildop(p, pc)); + lua.lua_settable(L, -3); + } + return 1; +}; + +const listk = function(L) { + lauxlib.luaL_argcheck(L, + lua.lua_isfunction(L, 1) && !lua.lua_iscfunction(L, 1), + 1, "Lua function expected"); + let p = obj_at(L, 1); + lua.lua_createtable(L, p.k.length, 0); + for (let i = 0; i < p.k.length; i++) { + pushobject(L, p.k[i]); + lua.lua_rawseti(L, -2, i + 1); + } + return 1; +}; + +const tests_funcs = { + "checkpanic": checkpanic, + "closestate": closestate, + "d2s": d2s, + "doremote": doremote, + "listcode": listcode, + "listk": listk, + "loadlib": loadlib, + "makeCfunc": makeCfunc, + "newstate": newstate, + "newuserdata": newuserdata, + "pushuserdata": pushuserdata, + "resume": coresume, + "s2d": s2d, + "sethook": sethook, + "testC": testJS, + "testJS": testJS, + "udataval": udataval, + "upvalue": upvalue +}; + +const luaB_opentests = function(L) { + lua.lua_atpanic(L, tpanic); + lauxlib.luaL_newlib(L, tests_funcs); + return 1; +}; + +const luaopen_tests = function(L) { + lauxlib.luaL_requiref(L, to_luastring("T"), luaB_opentests, 1); + lua.lua_pop(L, 1); /* remove lib */ +}; + +module.exports.luaopen_tests = luaopen_tests; diff --git a/test/test-suite/math.test.js b/test/test-suite/math.test.js new file mode 100644 index 0000000..9cf4e21 --- /dev/null +++ b/test/test-suite/math.test.js @@ -0,0 +1,1184 @@ +"use strict"; + +const lua = require('../../src/lua.js'); +const lauxlib = require('../../src/lauxlib.js'); +const lualib = require('../../src/lualib.js'); +const {to_luastring} = require("../../src/fengaricore.js"); + +const prefix = ` + local minint = math.mininteger + local maxint = math.maxinteger + + local intbits = math.floor(math.log(maxint, 2) + 0.5) + 1 + --assert((1 << intbits) == 0) + + local floatbits = 24 + do + local p = 2.0^floatbits + while p < p + 1.0 do + p = p * 2.0 + floatbits = floatbits + 1 + end + end + + local function isNaN (x) + return (x ~= x) + end + + local function checkerror (msg, f, ...) + local s, err = pcall(f, ...) + assert(not s and string.find(err, msg)) + end + + local msgf2i = "number.* has no integer representation" + + function eq (a,b,limit) + if not limit then + if floatbits >= 50 then limit = 1E-11 + else limit = 1E-5 + end + end + -- a == b needed for +inf/-inf + return a == b or math.abs(a-b) <= limit + end + + -- equality with types + function eqT (a,b) + return a == b and math.type(a) == math.type(b) + end + + local function checkcompt (msg, code) + checkerror(msg, assert(load(code))) + end +`; + +test("[test-suite] math: int bits", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(minint == 1 << (intbits - 1)) + assert(maxint == minint - 1) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: number of bits in the mantissa of a floating-point number", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(isNaN(0/0)) + assert(not isNaN(1/0)) + + + do + local x = 2.0^floatbits + assert(x > x - 1.0 and x == x + 1.0) + + -- print(string.format("%d-bit integers, %d-bit (mantissa) floats", + -- intbits, floatbits)) + end + + assert(math.type(0) == "integer" and math.type(0.0) == "float" + and math.type("10") == nil) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: basic float notation", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(0e12 == 0 and .0 == 0 and 0. == 0 and .2e2 == 20 and 2.E-1 == 0.2) + + do + local a,b,c = "2", " 3e0 ", " 10 " + assert(a+b == 5 and -b == -3 and b+"2" == 5 and "10"-c == 0) + assert(type(a) == 'string' and type(b) == 'string' and type(c) == 'string') + assert(a == "2" and b == " 3e0 " and c == " 10 " and -c == -" 10 ") + assert(c%a == 0 and a^b == 08) + a = 0 + assert(a == -a and 0 == -0) + end + + do + local x = -1 + local mz = 0/x -- minus zero + t = {[0] = 10, 20, 30, 40, 50} + assert(t[mz] == t[0] and t[-0] == t[0]) + end + + do -- tests for 'modf' + local a,b = math.modf(3.5) + assert(a == 3.0 and b == 0.5) + a,b = math.modf(-2.5) + assert(a == -2.0 and b == -0.5) + a,b = math.modf(-3e23) + assert(a == -3e23 and b == 0.0) + a,b = math.modf(3e35) + assert(a == 3e35 and b == 0.0) + a,b = math.modf(-1/0) -- -inf + assert(a == -1/0 and b == 0.0) + a,b = math.modf(1/0) -- inf + assert(a == 1/0 and b == 0.0) + a,b = math.modf(0/0) -- NaN + assert(isNaN(a) and isNaN(b)) + a,b = math.modf(3) -- integer argument + assert(eqT(a, 3) and eqT(b, 0.0)) + a,b = math.modf(minint) + assert(eqT(a, minint) and eqT(b, 0.0)) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: math.huge", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(math.huge > 10e30) + assert(-math.huge < -10e30) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: integer arithmetic", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(minint < minint + 1) + assert(maxint - 1 < maxint) + assert(0 - minint == minint) + assert(minint * minint == 0) + assert(maxint * maxint * maxint == maxint) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: testing floor division and conversions", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + for _, i in pairs{-16, -15, -3, -2, -1, 0, 1, 2, 3, 15} do + for _, j in pairs{-16, -15, -3, -2, -1, 1, 2, 3, 15} do + for _, ti in pairs{0, 0.0} do -- try 'i' as integer and as float + for _, tj in pairs{0, 0.0} do -- try 'j' as integer and as float + local x = i + ti + local y = j + tj + assert(i//j == math.floor(i/j)) + end + end + end + end + + assert(1//0.0 == 1/0) + assert(-1 // 0.0 == -1/0) + assert(eqT(3.5 // 1.5, 2.0)) + assert(eqT(3.5 // -1.5, -3.0)) + + assert(maxint // maxint == 1) + assert(maxint // 1 == maxint) + assert((maxint - 1) // maxint == 0) + assert(maxint // (maxint - 1) == 1) + assert(minint // minint == 1) + assert(minint // minint == 1) + assert((minint + 1) // minint == 0) + assert(minint // (minint + 1) == 1) + assert(minint // 1 == minint) + + assert(minint // -1 == -minint) + assert(minint // -2 == 2^(intbits - 2)) + assert(maxint // -1 == -maxint) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: negative exponents", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + assert(2^-3 == 1 / 2^3) + assert(eq((-3)^-3, 1 / (-3)^3)) + for i = -3, 3 do -- variables avoid constant folding + for j = -3, 3 do + -- domain errors (0^(-n)) are not portable + if not _port or i ~= 0 or j > 0 then + assert(eq(i^j, 1 / i^(-j))) + end + end + end + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: comparison between floats and integers (border cases)", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + if floatbits < intbits then + assert(2.0^floatbits == (1 << floatbits)) + assert(2.0^floatbits - 1.0 == (1 << floatbits) - 1.0) + assert(2.0^floatbits - 1.0 ~= (1 << floatbits)) + -- float is rounded, int is not + assert(2.0^floatbits + 1.0 ~= (1 << floatbits) + 1) + else -- floats can express all integers with full accuracy + assert(maxint == maxint + 0.0) + assert(maxint - 1 == maxint - 1.0) + assert(minint + 1 == minint + 1.0) + assert(maxint ~= maxint - 1.0) + end + assert(maxint + 0.0 == 2.0^(intbits - 1) - 1.0) + assert(minint + 0.0 == minint) + assert(minint + 0.0 == -2.0^(intbits - 1)) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: order between floats and integers", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(minint == 1 << (intbits - 1)) + assert(maxint == minint - 1) + + assert(1 < 1.1); assert(not (1 < 0.9)) + assert(1 <= 1.1); assert(not (1 <= 0.9)) + assert(-1 < -0.9); assert(not (-1 < -1.1)) + assert(1 <= 1.1); assert(not (-1 <= -1.1)) + assert(-1 < -0.9); assert(not (-1 < -1.1)) + assert(-1 <= -0.9); assert(not (-1 <= -1.1)) + assert(minint <= minint + 0.0) + assert(minint + 0.0 <= minint) + assert(not (minint < minint + 0.0)) + assert(not (minint + 0.0 < minint)) + assert(maxint < minint * -1.0) + assert(maxint <= minint * -1.0) + + do + local fmaxi1 = 2^(intbits - 1) + assert(maxint < fmaxi1) + assert(maxint <= fmaxi1) + assert(not (fmaxi1 <= maxint)) + assert(minint <= -2^(intbits - 1)) + assert(-2^(intbits - 1) <= minint) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: testing order (floats can represent all integers)", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(floatbits >= intbits) + + assert(maxint < maxint + 1.0) + assert(maxint < maxint + 0.5) + assert(maxint - 1.0 < maxint) + assert(maxint - 0.5 < maxint) + assert(not (maxint + 0.0 < maxint)) + assert(maxint + 0.0 <= maxint) + assert(not (maxint < maxint + 0.0)) + assert(maxint + 0.0 <= maxint) + assert(maxint <= maxint + 0.0) + assert(not (maxint + 1.0 <= maxint)) + assert(not (maxint + 0.5 <= maxint)) + assert(not (maxint <= maxint - 1.0)) + assert(not (maxint <= maxint - 0.5)) + + assert(minint < minint + 1.0) + assert(minint < minint + 0.5) + assert(minint <= minint + 0.5) + assert(minint - 1.0 < minint) + assert(minint - 1.0 <= minint) + assert(not (minint + 0.0 < minint)) + assert(not (minint + 0.5 < minint)) + assert(not (minint < minint + 0.0)) + assert(minint + 0.0 <= minint) + assert(minint <= minint + 0.0) + assert(not (minint + 1.0 <= minint)) + assert(not (minint + 0.5 <= minint)) + assert(not (minint <= minint - 1.0)) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: NaN order", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local NaN = 0/0 + assert(not (NaN < 0)) + assert(not (NaN > minint)) + assert(not (NaN <= -9)) + assert(not (NaN <= maxint)) + assert(not (NaN < maxint)) + assert(not (minint <= NaN)) + assert(not (minint < NaN)) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: avoiding errors at compile time", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + checkcompt("divide by zero", "return 2 // 0") + checkcompt(msgf2i, "return 2.3 >> 0") + checkcompt(msgf2i, ("return 2.0^%d & 1"):format(intbits - 1)) + checkcompt("field 'huge'", "return math.huge << 1") + checkcompt(msgf2i, ("return 1 | 2.0^%d"):format(intbits - 1)) + checkcompt(msgf2i, "return 2.3 ~ '0.0'") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + +test("[test-suite] math: testing overflow errors when converting from float to integer (runtime)", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function f2i (x) return x | x end + checkerror(msgf2i, f2i, math.huge) -- +inf + checkerror(msgf2i, f2i, -math.huge) -- -inf + checkerror(msgf2i, f2i, 0/0) -- NaN + + if floatbits < intbits then + -- conversion tests when float cannot represent all integers + assert(maxint + 1.0 == maxint + 0.0) + assert(minint - 1.0 == minint + 0.0) + checkerror(msgf2i, f2i, maxint + 0.0) + assert(f2i(2.0^(intbits - 2)) == 1 << (intbits - 2)) + assert(f2i(-2.0^(intbits - 2)) == -(1 << (intbits - 2))) + assert((2.0^(floatbits - 1) + 1.0) // 1 == (1 << (floatbits - 1)) + 1) + -- maximum integer representable as a float + local mf = maxint - (1 << (floatbits - intbits)) + 1 + assert(f2i(mf + 0.0) == mf) -- OK up to here + mf = mf + 1 + assert(f2i(mf + 0.0) ~= mf) -- no more representable + else + -- conversion tests when float can represent all integers + assert(maxint + 1.0 > maxint) + assert(minint - 1.0 < minint) + assert(f2i(maxint + 0.0) == maxint) + checkerror("no integer rep", f2i, maxint + 1.0) + checkerror("no integer rep", f2i, minint - 1.0) + end + + -- 'minint' should be representable as a float no matter the precision + assert(f2i(minint + 0.0) == minint) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: testing numeric strings", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert("2" + 1 == 3) + assert("2 " + 1 == 3) + assert(" -2 " + 1 == -1) + assert(" -0xa " + 1 == -9) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: Literal integer Overflows (new behavior in 5.3.3)", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + -- no overflows + assert(eqT(tonumber(tostring(maxint)), maxint)) + assert(eqT(tonumber(tostring(minint)), minint)) + + -- add 1 to last digit as a string (it cannot be 9...) + local function incd (n) + local s = string.format("%d", n) + s = string.gsub(s, "%d$", function (d) + assert(d ~= '9') + return string.char(string.byte(d) + 1) + end) + return s + end + + -- 'tonumber' with overflow by 1 + assert(eqT(tonumber(incd(maxint)), maxint + 1.0)) + assert(eqT(tonumber(incd(minint)), minint - 1.0)) + + -- large numbers + assert(eqT(tonumber("1"..string.rep("0", 30)), 1e30)) + assert(eqT(tonumber("-1"..string.rep("0", 30)), -1e30)) + + -- hexa format still wraps around + assert(eqT(tonumber("0x1"..string.rep("0", 30)), 0)) + + -- lexer in the limits + assert(minint == load("return " .. minint)()) + assert(eqT(maxint, load("return " .. maxint)())) + + assert(eqT(10000000000000000000000.0, 10000000000000000000000)) + assert(eqT(-10000000000000000000000.0, -10000000000000000000000)) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: 'tonumber' with numbers", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(tonumber(3.4) == 3.4) + assert(eqT(tonumber(3), 3)) + assert(eqT(tonumber(maxint), maxint) and eqT(tonumber(minint), minint)) + assert(tonumber(1/0) == 1/0) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: 'tonumber' with strings", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(tonumber("0") == 0) + assert(tonumber("") == nil) + assert(tonumber(" ") == nil) + assert(tonumber("-") == nil) + assert(tonumber(" -0x ") == nil) + assert(tonumber{} == nil) + assert(tonumber'+0.01' == 1/100 and tonumber'+.01' == 0.01 and + tonumber'.01' == 0.01 and tonumber'-1.' == -1 and + tonumber'+1.' == 1) + assert(tonumber'+ 0.01' == nil and tonumber'+.e1' == nil and + tonumber'1e' == nil and tonumber'1.0e+' == nil and + tonumber'.' == nil) + assert(tonumber('-012') == -010-2) + assert(tonumber('-1.2e2') == - - -120) + + assert(tonumber("0xffffffffffff") == (1 << (4*12)) - 1) + assert(tonumber("0x"..string.rep("f", (intbits//4))) == -1) + assert(tonumber("-0x"..string.rep("f", (intbits//4))) == 1) + + -- testing 'tonumber' with base + assert(tonumber(' 001010 ', 2) == 10) + assert(tonumber(' 001010 ', 10) == 001010) + assert(tonumber(' -1010 ', 2) == -10) + assert(tonumber('10', 36) == 36) + assert(tonumber(' -10 ', 36) == -36) + assert(tonumber(' +1Z ', 36) == 36 + 35) + assert(tonumber(' -1z ', 36) == -36 + -35) + assert(tonumber('-fFfa', 16) == -(10+(16*(15+(16*(15+(16*15))))))) + assert(tonumber(string.rep('1', (intbits - 2)), 2) + 1 == 2^(intbits - 2)) + assert(tonumber('ffffFFFF', 16)+1 == (1 << 32)) + assert(tonumber('0ffffFFFF', 16)+1 == (1 << 32)) + assert(tonumber('-0ffffffFFFF', 16) - 1 == -(1 << 40)) + for i = 2,36 do + local i2 = i * i + local i10 = i2 * i2 * i2 * i2 * i2 -- i^10 + assert(tonumber('\\t10000000000\\t', i) == i10) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: tests with very long numerals", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(tonumber("0x"..string.rep("f", 13)..".0") == 2.0^(4*13) - 1) + assert(tonumber("0x"..string.rep("f", 150)..".0") == 2.0^(4*150) - 1) + assert(tonumber("0x"..string.rep("f", 300)..".0") == 2.0^(4*300) - 1) + assert(tonumber("0x"..string.rep("f", 500)..".0") == 2.0^(4*500) - 1) + assert(tonumber('0x3.' .. string.rep('0', 1000)) == 3) + assert(tonumber('0x' .. string.rep('0', 1000) .. 'a') == 10) + assert(tonumber('0x0.' .. string.rep('0', 13).."1") == 2.0^(-4*14)) + assert(tonumber('0x0.' .. string.rep('0', 150).."1") == 2.0^(-4*151)) + assert(tonumber('0x0.' .. string.rep('0', 300).."1") == 2.0^(-4*301)) + assert(tonumber('0x0.' .. string.rep('0', 500).."1") == 2.0^(-4*501)) + + assert(tonumber('0xe03' .. string.rep('0', 1000) .. 'p-4000') == 3587.0) + assert(tonumber('0x.' .. string.rep('0', 1000) .. '74p4004') == 0x7.4) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: testing 'tonumber' for invalid formats", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function f (...) + if select('#', ...) == 1 then + return (...) + else + return "***" + end + end + + assert(f(tonumber('fFfa', 15)) == nil) + assert(f(tonumber('099', 8)) == nil) + assert(f(tonumber('1\\0', 2)) == nil) + assert(f(tonumber('', 8)) == nil) + assert(f(tonumber(' ', 9)) == nil) + assert(f(tonumber(' ', 9)) == nil) + assert(f(tonumber('0xf', 10)) == nil) + + assert(f(tonumber('inf')) == nil) + assert(f(tonumber(' INF ')) == nil) + assert(f(tonumber('Nan')) == nil) + assert(f(tonumber('nan')) == nil) + + assert(f(tonumber(' ')) == nil) + assert(f(tonumber('')) == nil) + assert(f(tonumber('1 a')) == nil) + assert(f(tonumber('1 a', 2)) == nil) + assert(f(tonumber('1\\0')) == nil) + assert(f(tonumber('1 \\0')) == nil) + assert(f(tonumber('1\\0 ')) == nil) + assert(f(tonumber('e1')) == nil) + assert(f(tonumber('e 1')) == nil) + assert(f(tonumber(' 3.4.5 ')) == nil) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: testing 'tonumber' for invalid hexadecimal formats", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(tonumber('0x') == nil) + assert(tonumber('x') == nil) + assert(tonumber('x3') == nil) + assert(tonumber('0x3.3.3') == nil) -- two decimal points + assert(tonumber('00x2') == nil) + assert(tonumber('0x 2') == nil) + assert(tonumber('0 x2') == nil) + assert(tonumber('23x') == nil) + assert(tonumber('- 0xaa') == nil) + assert(tonumber('-0xaaP ') == nil) -- no exponent + assert(tonumber('0x0.51p') == nil) + assert(tonumber('0x5p+-2') == nil) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: testing hexadecimal numerals", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(0x10 == 16 and 0xfff == 2^12 - 1 and 0XFB == 251) + assert(0x0p12 == 0 and 0x.0p-3 == 0) + assert(0xFFFFFFFF == (1 << 32) - 1) + assert(tonumber('+0x2') == 2) + assert(tonumber('-0xaA') == -170) + assert(tonumber('-0xffFFFfff') == -(1 << 32) + 1) + + -- possible confusion with decimal exponent + assert(0E+1 == 0 and 0xE+1 == 15 and 0xe-1 == 13) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: floating hexas", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(tonumber(' 0x2.5 ') == 0x25/16) + assert(tonumber(' -0x2.5 ') == -0x25/16) + assert(tonumber(' +0x0.51p+8 ') == 0x51) + assert(0x.FfffFFFF == 1 - '0x.00000001') + assert('0xA.a' + 0 == 10 + 10/16) + assert(0xa.aP4 == 0XAA) + assert(0x4P-2 == 1) + assert(0x1.1 == '0x1.' + '+0x.1') + assert(0Xabcdef.0 == 0x.ABCDEFp+24) + + + assert(1.1 == 1.+.1) + assert(100.0 == 1E2 and .01 == 1e-2) + assert(1111111111 - 1111111110 == 1000.00e-03) + assert(1.1 == '1.'+'.1') + assert(tonumber'1111111111' - tonumber'1111111110' == + tonumber" +0.001e+3 \\n\\t") + + assert(0.1e-30 > 0.9E-31 and 0.9E30 < 0.1e31) + + assert(0.123456 > 0.123455) + + assert(tonumber('+1.23E18') == 1.23*10.0^18) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: testing order operators", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(not(1<1) and (1<2) and not(2<1)) + assert(not('a'<'a') and ('a'<'b') and not('b'<'a')) + assert((1<=1) and (1<=2) and not(2<=1)) + assert(('a'<='a') and ('a'<='b') and not('b'<='a')) + assert(not(1>1) and not(1>2) and (2>1)) + assert(not('a'>'a') and not('a'>'b') and ('b'>'a')) + assert((1>=1) and not(1>=2) and (2>=1)) + assert(('a'>='a') and not('a'>='b') and ('b'>='a')) + assert(1.3 < 1.4 and 1.3 <= 1.4 and not (1.3 < 1.3) and 1.3 <= 1.3) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: testing mod operator", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(eqT(-4 % 3, 2)) + assert(eqT(4 % -3, -2)) + assert(eqT(-4.0 % 3, 2.0)) + assert(eqT(4 % -3.0, -2.0)) + assert(math.pi - math.pi % 1 == 3) + assert(math.pi - math.pi % 0.001 == 3.141) + + assert(eqT(minint % minint, 0)) + assert(eqT(maxint % maxint, 0)) + assert((minint + 1) % minint == minint + 1) + assert((maxint - 1) % maxint == maxint - 1) + assert(minint % maxint == maxint - 1) + + assert(minint % -1 == 0) + assert(minint % -2 == 0) + assert(maxint % -2 == -1) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: non-portable tests because Windows C library cannot compute fmod(1, huge) correctly", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function anan (x) assert(isNaN(x)) end -- assert Not a Number + anan(0.0 % 0) + anan(1.3 % 0) + anan(math.huge % 1) + anan(math.huge % 1e30) + anan(-math.huge % 1e30) + anan(-math.huge % -1e30) + assert(1 % math.huge == 1) + assert(1e30 % math.huge == 1e30) + assert(1e30 % -math.huge == -math.huge) + assert(-1 % math.huge == math.huge) + assert(-1 % -math.huge == -1) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: testing unsigned comparisons", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(math.ult(3, 4)) + assert(not math.ult(4, 4)) + assert(math.ult(-2, -1)) + assert(math.ult(2, -1)) + assert(not math.ult(-2, -2)) + assert(math.ult(maxint, minint)) + assert(not math.ult(minint, maxint)) + + + assert(eq(math.sin(-9.8)^2 + math.cos(-9.8)^2, 1)) + assert(eq(math.tan(math.pi/4), 1)) + assert(eq(math.sin(math.pi/2), 1) and eq(math.cos(math.pi/2), 0)) + assert(eq(math.atan(1), math.pi/4) and eq(math.acos(0), math.pi/2) and + eq(math.asin(1), math.pi/2)) + assert(eq(math.deg(math.pi/2), 90) and eq(math.rad(90), math.pi/2)) + assert(math.abs(-10.43) == 10.43) + assert(eqT(math.abs(minint), minint)) + assert(eqT(math.abs(maxint), maxint)) + assert(eqT(math.abs(-maxint), maxint)) + assert(eq(math.atan(1,0), math.pi/2)) + assert(math.fmod(10,3) == 1) + assert(eq(math.sqrt(10)^2, 10)) + assert(eq(math.log(2, 10), math.log(2)/math.log(10))) + assert(eq(math.log(2, 2), 1)) + assert(eq(math.log(9, 3), 2)) + assert(eq(math.exp(0), 1)) + assert(eq(math.sin(10), math.sin(10%(2*math.pi)))) + + + assert(tonumber(' 1.3e-2 ') == 1.3e-2) + assert(tonumber(' -1.00000000000001 ') == -1.00000000000001) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: testing constant limits", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(8388609 + -8388609 == 0) + assert(8388608 + -8388608 == 0) + assert(8388607 + -8388607 == 0) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: testing floor & ceil", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + assert(eqT(math.floor(3.4), 3)) + assert(eqT(math.ceil(3.4), 4)) + assert(eqT(math.floor(-3.4), -4)) + assert(eqT(math.ceil(-3.4), -3)) + assert(eqT(math.floor(maxint), maxint)) + assert(eqT(math.ceil(maxint), maxint)) + assert(eqT(math.floor(minint), minint)) + assert(eqT(math.floor(minint + 0.0), minint)) + assert(eqT(math.ceil(minint), minint)) + assert(eqT(math.ceil(minint + 0.0), minint)) + assert(math.floor(1e50) == 1e50) + assert(math.ceil(1e50) == 1e50) + assert(math.floor(-1e50) == -1e50) + assert(math.ceil(-1e50) == -1e50) + for _, p in pairs{31,32,63,64} do + assert(math.floor(2^p) == 2^p) + assert(math.floor(2^p + 0.5) == 2^p) + assert(math.ceil(2^p) == 2^p) + assert(math.ceil(2^p - 0.5) == 2^p) + end + checkerror("number expected", math.floor, {}) + checkerror("number expected", math.ceil, print) + assert(eqT(math.tointeger(minint), minint)) + assert(eqT(math.tointeger(minint .. ""), minint)) + assert(eqT(math.tointeger(maxint), maxint)) + assert(eqT(math.tointeger(maxint .. ""), maxint)) + assert(eqT(math.tointeger(minint + 0.0), minint)) + assert(math.tointeger(0.0 - minint) == nil) + assert(math.tointeger(math.pi) == nil) + assert(math.tointeger(-math.pi) == nil) + assert(math.floor(math.huge) == math.huge) + assert(math.ceil(math.huge) == math.huge) + assert(math.tointeger(math.huge) == nil) + assert(math.floor(-math.huge) == -math.huge) + assert(math.ceil(-math.huge) == -math.huge) + assert(math.tointeger(-math.huge) == nil) + assert(math.tointeger("34.0") == 34) + assert(math.tointeger("34.3") == nil) + assert(math.tointeger({}) == nil) + assert(math.tointeger(0/0) == nil) -- NaN + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: testing fmod for integers", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + for i = -6, 6 do + for j = -6, 6 do + if j ~= 0 then + local mi = math.fmod(i, j) + local mf = math.fmod(i + 0.0, j) + assert(mi == mf) + assert(math.type(mi) == 'integer' and math.type(mf) == 'float') + if (i >= 0 and j >= 0) or (i <= 0 and j <= 0) or mi == 0 then + assert(eqT(mi, i % j)) + end + end + end + end + assert(eqT(math.fmod(minint, minint), 0)) + assert(eqT(math.fmod(maxint, maxint), 0)) + assert(eqT(math.fmod(minint + 1, minint), minint + 1)) + assert(eqT(math.fmod(maxint - 1, maxint), maxint - 1)) + + checkerror("zero", math.fmod, 3, 0) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: testing max/min", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + checkerror("value expected", math.max) + checkerror("value expected", math.min) + assert(eqT(math.max(3), 3)) + assert(eqT(math.max(3, 5, 9, 1), 9)) + assert(math.max(maxint, 10e60) == 10e60) + assert(eqT(math.max(minint, minint + 1), minint + 1)) + assert(eqT(math.min(3), 3)) + assert(eqT(math.min(3, 5, 9, 1), 1)) + assert(math.min(3.2, 5.9, -9.2, 1.1) == -9.2) + assert(math.min(1.9, 1.7, 1.72) == 1.7) + assert(math.min(-10e60, minint) == -10e60) + assert(eqT(math.min(maxint, maxint - 1), maxint - 1)) + assert(eqT(math.min(maxint - 2, maxint, maxint - 1), maxint - 2)) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: testing implicit convertions", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local a,b = '10', '20' + assert(a*b == 200 and a+b == 30 and a-b == -10 and a/b == 0.5 and -b == -20) + assert(a == '10' and b == '20') + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: testing -0 and NaN", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local mz, z = -0.0, 0.0 + assert(mz == z) + assert(1/mz < 0 and 0 < 1/z) + local a = {[mz] = 1} + assert(a[z] == 1 and a[mz] == 1) + a[z] = 2 + assert(a[z] == 2 and a[mz] == 2) + local inf = math.huge * 2 + 1 + mz, z = -1/inf, 1/inf + assert(mz == z) + assert(1/mz < 0 and 0 < 1/z) + local NaN = inf - inf + assert(NaN ~= NaN) + assert(not (NaN < NaN)) + assert(not (NaN <= NaN)) + assert(not (NaN > NaN)) + assert(not (NaN >= NaN)) + assert(not (0 < NaN) and not (NaN < 0)) + local NaN1 = 0/0 + assert(NaN ~= NaN1 and not (NaN <= NaN1) and not (NaN1 <= NaN)) + local a = {} + assert(not pcall(rawset, a, NaN, 1)) + assert(a[NaN] == nil) + a[1] = 1 + assert(not pcall(rawset, a, NaN, 1)) + assert(a[NaN] == nil) + -- strings with same binary representation as 0.0 (might create problems + -- for constant manipulation in the pre-compiler) + local a1, a2, a3, a4, a5 = 0, 0, "\0\0\0\0\0\0\0\0", 0, "\0\0\0\0\0\0\0\0" + assert(a1 == a2 and a2 == a4 and a1 ~= a3) + assert(a3 == a5) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: test random for floats", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + math.randomseed(0) + + do -- test random for floats + local max = -math.huge + local min = math.huge + for i = 0, 20000 do + local t = math.random() + assert(0 <= t and t < 1) + max = math.max(max, t) + min = math.min(min, t) + if eq(max, 1, 0.001) and eq(min, 0, 0.001) then + goto ok + end + end + -- loop ended without satisfing condition + assert(false) + ::ok:: + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: test random for small intervals", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local function aux (p, lim) -- test random for small intervals + local x1, x2 + if #p == 1 then x1 = 1; x2 = p[1] + else x1 = p[1]; x2 = p[2] + end + local mark = {}; local count = 0 -- to check that all values appeared + for i = 0, lim or 2000 do + local t = math.random(table.unpack(p)) + assert(x1 <= t and t <= x2) + if not mark[t] then -- new value + mark[t] = true + count = count + 1 + end + if count == x2 - x1 + 1 then -- all values appeared; OK + goto ok + end + end + -- loop ended without satisfing condition + assert(false) + ::ok:: + end + + aux({-10,0}) + aux({6}) + aux({-10, 10}) + aux({minint, minint}) + aux({maxint, maxint}) + aux({minint, minint + 9}) + aux({maxint - 3, maxint}) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: test random for large intervals", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local function aux(p1, p2) -- test random for large intervals + local max = minint + local min = maxint + local n = 200 + local mark = {}; local count = 0 -- to count how many different values + for _ = 1, n do + local t = math.random(p1, p2) + max = math.max(max, t) + min = math.min(min, t) + if not mark[t] then -- new value + mark[t] = true + count = count + 1 + end + end + -- at least 80% of values are different + assert(count >= n * 0.8) + -- min and max not too far from formal min and max + local diff = (p2 - p1) // 8 + assert(min < p1 + diff and max > p2 - diff) + end + aux(0, maxint) + aux(1, maxint) + aux(minint, -1) + aux(minint // 2, maxint // 2) + end + + for i=1,100 do + assert(math.random(maxint) > 0) + assert(math.random(minint, -1) < 0) + end + + assert(not pcall(math.random, 1, 2, 3)) -- too many arguments + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: test random for empty interval", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(not pcall(math.random, minint + 1, minint)) + assert(not pcall(math.random, maxint, maxint - 1)) + assert(not pcall(math.random, maxint, minint)) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] math: interval too large", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(not pcall(math.random, minint, 0)) + assert(not pcall(math.random, -1, maxint)) + assert(not pcall(math.random, minint // 2, maxint // 2 + 1)) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); diff --git a/test/test-suite/nextvar.test.js b/test/test-suite/nextvar.test.js new file mode 100644 index 0000000..1c4f331 --- /dev/null +++ b/test/test-suite/nextvar.test.js @@ -0,0 +1,878 @@ +"use strict"; + +const lua = require('../../src/lua.js'); +const lauxlib = require('../../src/lauxlib.js'); +const lualib = require('../../src/lualib.js'); +const {to_luastring} = require("../../src/fengaricore.js"); + +const prefix = ` + local function checkerror (msg, f, ...) + local s, err = pcall(f, ...) + assert(not s and string.find(err, msg)) + end +`; + +test("[test-suite] nextvar: testing size operator", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local a = {} + + -- make sure table has lots of space in hash part + for i=1,100 do a[i.."+"] = true end + for i=1,100 do a[i.."+"] = nil end + -- fill hash part with numeric indices testing size operator + for i=1,100 do + a[i] = true + assert(#a == i) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] nextvar: testing ipairs", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local x = 0 + for k,v in ipairs{10,20,30;x=12} do + x = x + 1 + assert(k == x and v == x * 10) + end + + for _ in ipairs{x=12, y=24} do assert(nil) end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] nextvar: test for 'false' x ipair", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + x = false + local i = 0 + for k,v in ipairs{true,false,true,false} do + i = i + 1 + x = not x + assert(x == v) + end + assert(i == 4) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] nextvar: iterator function is always the same", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(type(ipairs{}) == 'function' and ipairs{} == ipairs{}) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test.skip("[test-suite] nextvar: JS tests", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + -- testing table sizes + + local function log2 (x) return math.log(x, 2) end + + local function mp2 (n) -- minimum power of 2 >= n + local mp = 2^math.ceil(log2(n)) + assert(n == 0 or (mp/2 < n and n <= mp)) + return mp + end + + local function fb (n) + local r, nn = T.int2fb(n) + assert(r < 256) + return nn + end + + -- test fb function + for a = 1, 10000 do -- all numbers up to 10^4 + local n = fb(a) + assert(a <= n and n <= a*1.125) + end + local a = 1024 -- plus a few up to 2 ^30 + local lim = 2^30 + while a < lim do + local n = fb(a) + assert(a <= n and n <= a*1.125) + a = math.ceil(a*1.3) + end + + + local function check (t, na, nh) + local a, h = T.querytab(t) + if a ~= na or h ~= nh then + print(na, nh, a, h) + assert(nil) + end + end + + + -- testing C library sizes + do + local s = 0 + for _ in pairs(math) do s = s + 1 end + check(math, 0, mp2(s)) + end + + + -- testing constructor sizes + local lim = 40 + local s = 'return {' + for i=1,lim do + s = s..i..',' + local s = s + for k=0,lim do + local t = load(s..'}', '')() + assert(#t == i) + check(t, fb(i), mp2(k)) + s = string.format('%sa%d=%d,', s, k, k) + end + end + + + -- tests with unknown number of elements + local a = {} + for i=1,lim do a[i] = i end -- build auxiliary table + for k=0,lim do + local a = {table.unpack(a,1,k)} + assert(#a == k) + check(a, k, 0) + a = {1,2,3,table.unpack(a,1,k)} + check(a, k+3, 0) + assert(#a == k + 3) + end + + + -- testing tables dynamically built + local lim = 130 + local a = {}; a[2] = 1; check(a, 0, 1) + a = {}; a[0] = 1; check(a, 0, 1); a[2] = 1; check(a, 0, 2) + a = {}; a[0] = 1; a[1] = 1; check(a, 1, 1) + a = {} + for i = 1,lim do + a[i] = 1 + assert(#a == i) + check(a, mp2(i), 0) + end + + a = {} + for i = 1,lim do + a['a'..i] = 1 + assert(#a == 0) + check(a, 0, mp2(i)) + end + + a = {} + for i=1,16 do a[i] = i end + check(a, 16, 0) + do + for i=1,11 do a[i] = nil end + for i=30,50 do a[i] = nil end -- force a rehash (?) + check(a, 0, 8) -- only 5 elements in the table + a[10] = 1 + for i=30,50 do a[i] = nil end -- force a rehash (?) + check(a, 0, 8) -- only 6 elements in the table + for i=1,14 do a[i] = nil end + for i=18,50 do a[i] = nil end -- force a rehash (?) + check(a, 0, 4) -- only 2 elements ([15] and [16]) + end + + -- reverse filling + for i=1,lim do + local a = {} + for i=i,1,-1 do a[i] = i end -- fill in reverse + check(a, mp2(i), 0) + end + + -- size tests for vararg + lim = 35 + function foo (n, ...) + local arg = {...} + check(arg, n, 0) + assert(select('#', ...) == n) + arg[n+1] = true + check(arg, mp2(n+1), 0) + arg.x = true + check(arg, mp2(n+1), 1) + end + local a = {} + for i=1,lim do a[i] = true; foo(i, table.unpack(a)) end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] nextvar: test size operation on empty tables", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(#{} == 0) + assert(#{nil} == 0) + assert(#{nil, nil} == 0) + assert(#{nil, nil, nil} == 0) + assert(#{nil, nil, nil, nil} == 0) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] nextvar: test size operation on empty tables", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(#{} == 0) + assert(#{nil} == 0) + assert(#{nil, nil} == 0) + assert(#{nil, nil, nil} == 0) + assert(#{nil, nil, nil, nil} == 0) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] nextvar: next uses always the same iteration function", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local nofind = {} + + a,b,c = 1,2,3 + a,b,c = nil + + + -- next uses always the same iteraction function + assert(next{} == next{}) + + local function find (name) + local n,v + while 1 do + n,v = next(_G, n) + if not n then return nofind end + assert(v ~= nil) + if n == name then return v end + end + end + + local function find1 (name) + for n,v in pairs(_G) do + if n==name then return v end + end + return nil -- not found + end + + + assert(print==find("print") and print == find1("print")) + assert(_G["print"]==find("print")) + assert(assert==find1("assert")) + assert(nofind==find("return")) + assert(not find1("return")) + _G["ret" .. "urn"] = nil + assert(nofind==find("return")) + _G["xxx"] = 1 + assert(xxx==find("xxx")) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] nextvar: invalid key to 'next'", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + checkerror("invalid key", next, {10,20}, 3) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] nextvar: both 'pairs' and 'ipairs' need an argument", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + checkerror("bad argument", pairs) + checkerror("bad argument", ipairs) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] nextvar: fmod table", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + a = {} + for i=0,10000 do + if math.fmod(i,10) ~= 0 then + a['x'..i] = i + end + end + + n = {n=0} + for i,v in pairs(a) do + n.n = n.n+1 + assert(i and v and a[i] == v) + end + assert(n.n == 9000) + a = nil + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] nextvar: check next", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function checknext (a) + local b = {} + do local k,v = next(a); while k do b[k] = v; k,v = next(a,k) end end + for k,v in pairs(b) do assert(a[k] == v) end + for k,v in pairs(a) do assert(b[k] == v) end + end + + checknext{1,x=1,y=2,z=3} + checknext{1,2,x=1,y=2,z=3} + checknext{1,2,3,x=1,y=2,z=3} + checknext{1,2,3,4,x=1,y=2,z=3} + checknext{1,2,3,4,5,x=1,y=2,z=3} + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] nextvar: # operator", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(#{} == 0) + assert(#{[-1] = 2} == 0) + assert(#{1,2,3,nil,nil} == 3) + for i=0,40 do + local a = {} + for j=1,i do a[j]=j end + assert(#a == i) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] nextvar: maxn", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + -- 'maxn' is now deprecated, but it is easily defined in Lua + function table.maxn (t) + local max = 0 + for k in pairs(t) do + max = (type(k) == 'number') and math.max(max, k) or max + end + return max + end + + assert(table.maxn{} == 0) + assert(table.maxn{["1000"] = true} == 0) + assert(table.maxn{["1000"] = true, [24.5] = 3} == 24.5) + assert(table.maxn{[1000] = true} == 1000) + assert(table.maxn{[10] = true, [100*math.pi] = print} == 100*math.pi) + + table.maxn = nil + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] nextvar: int overflow", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + a = {} + for i=0,50 do a[2^i] = true end + assert(a[#a]) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] nextvar: erasing values", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local t = {[{1}] = 1, [{2}] = 2, [string.rep("x ", 4)] = 3, + [100.3] = 4, [4] = 5} + + local n = 0 + for k, v in pairs( t ) do + n = n+1 + assert(t[k] == v) + t[k] = nil + --collectgarbage() + assert(t[k] == nil) + end + assert(n == 5) + + + local function test (a) + assert(not pcall(table.insert, a, 2, 20)); + table.insert(a, 10); table.insert(a, 2, 20); + table.insert(a, 1, -1); table.insert(a, 40); + table.insert(a, #a+1, 50) + table.insert(a, 2, -2) + assert(not pcall(table.insert, a, 0, 20)); + assert(not pcall(table.insert, a, #a + 2, 20)); + assert(table.remove(a,1) == -1) + assert(table.remove(a,1) == -2) + assert(table.remove(a,1) == 10) + assert(table.remove(a,1) == 20) + assert(table.remove(a,1) == 40) + assert(table.remove(a,1) == 50) + assert(table.remove(a,1) == nil) + assert(table.remove(a) == nil) + assert(table.remove(a, #a) == nil) + end + + a = {n=0, [-7] = "ban"} + test(a) + assert(a.n == 0 and a[-7] == "ban") + + a = {[-7] = "ban"}; + test(a) + assert(a.n == nil and #a == 0 and a[-7] == "ban") + + a = {[-1] = "ban"} + test(a) + assert(#a == 0 and table.remove(a) == nil and a[-1] == "ban") + + a = {[0] = "ban"} + assert(#a == 0 and table.remove(a) == "ban" and a[0] == nil) + + table.insert(a, 1, 10); table.insert(a, 1, 20); table.insert(a, 1, -1) + assert(table.remove(a) == 10) + assert(table.remove(a) == 20) + assert(table.remove(a) == -1) + assert(table.remove(a) == nil) + + a = {'c', 'd'} + table.insert(a, 3, 'a') + table.insert(a, 'b') + assert(table.remove(a, 1) == 'c') + assert(table.remove(a, 1) == 'd') + assert(table.remove(a, 1) == 'a') + assert(table.remove(a, 1) == 'b') + assert(table.remove(a, 1) == nil) + assert(#a == 0 and a.n == nil) + + a = {10,20,30,40} + assert(table.remove(a, #a + 1) == nil) + assert(not pcall(table.remove, a, 0)) + assert(a[#a] == 40) + assert(table.remove(a, #a) == 40) + assert(a[#a] == 30) + assert(table.remove(a, 2) == 20) + assert(a[#a] == 30 and #a == 2) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] nextvar: testing table library with metamethods", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local function test (proxy, t) + for i = 1, 10 do + table.insert(proxy, 1, i) + end + assert(#proxy == 10 and #t == 10) + for i = 1, 10 do + assert(t[i] == 11 - i) + end + table.sort(proxy) + for i = 1, 10 do + assert(t[i] == i and proxy[i] == i) + end + assert(table.concat(proxy, ",") == "1,2,3,4,5,6,7,8,9,10") + for i = 1, 8 do + assert(table.remove(proxy, 1) == i) + end + assert(#proxy == 2 and #t == 2) + local a, b, c = table.unpack(proxy) + assert(a == 9 and b == 10 and c == nil) + end + + -- all virtual + local t = {} + local proxy = setmetatable({}, { + __len = function () return #t end, + __index = t, + __newindex = t, + }) + test(proxy, t) + + -- only __newindex + local count = 0 + t = setmetatable({}, { + __newindex = function (t,k,v) count = count + 1; rawset(t,k,v) end}) + test(t, t) + assert(count == 10) -- after first 10, all other sets are not new + + -- no __newindex + t = setmetatable({}, { + __index = function (_,k) return k + 1 end, + __len = function (_) return 5 end}) + assert(table.concat(t, ";") == "2;3;4;5;6") + + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test.skip("[test-suite] nextvar: JS tests", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local tab = {10, 20, 30} + local mt = {} + local u = T.newuserdata(0) + checkerror("table expected", table.insert, u, 40) + checkerror("table expected", table.remove, u) + debug.setmetatable(u, mt) + checkerror("table expected", table.insert, u, 40) + checkerror("table expected", table.remove, u) + mt.__index = tab + checkerror("table expected", table.insert, u, 40) + checkerror("table expected", table.remove, u) + mt.__newindex = tab + checkerror("table expected", table.insert, u, 40) + checkerror("table expected", table.remove, u) + mt.__len = function () return #tab end + table.insert(u, 40) + assert(#u == 4 and #tab == 4 and u[4] == 40 and tab[4] == 40) + assert(table.remove(u) == 40) + table.insert(u, 1, 50) + assert(#u == 4 and #tab == 4 and u[4] == 30 and tab[1] == 50) + + mt.__newindex = nil + mt.__len = nil + local tab2 = {} + local u2 = T.newuserdata(0) + debug.setmetatable(u2, {__newindex = function (_, k, v) tab2[k] = v end}) + table.move(u, 1, 4, 1, u2) + assert(#tab2 == 4 and tab2[1] == tab[1] and tab2[4] == tab[4]) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] nextvar: next", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + a = {} + for i=1,1000 do + a[i] = i; a[i-1] = nil + end + assert(next(a,nil) == 1000 and next(a,1000) == nil) + + assert(next({}) == nil) + assert(next({}, nil) == nil) + + for a,b in pairs{} do error"not here" end + for i=1,0 do error'not here' end + for i=0,1,-1 do error'not here' end + a = nil; for i=1,1 do assert(not a); a=1 end; assert(a) + a = nil; for i=1,1,-1 do assert(not a); a=1 end; assert(a) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] nextvar: testing floats in numeric for", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local a + -- integer count + a = 0; for i=1, 1, 1 do a=a+1 end; assert(a==1) + a = 0; for i=10000, 1e4, -1 do a=a+1 end; assert(a==1) + a = 0; for i=1, 0.99999, 1 do a=a+1 end; assert(a==0) + a = 0; for i=9999, 1e4, -1 do a=a+1 end; assert(a==0) + a = 0; for i=1, 0.99999, -1 do a=a+1 end; assert(a==1) + + -- float count + a = 0; for i=0, 0.999999999, 0.1 do a=a+1 end; assert(a==10) + a = 0; for i=1.0, 1, 1 do a=a+1 end; assert(a==1) + a = 0; for i=-1.5, -1.5, 1 do a=a+1 end; assert(a==1) + a = 0; for i=1e6, 1e6, -1 do a=a+1 end; assert(a==1) + a = 0; for i=1.0, 0.99999, 1 do a=a+1 end; assert(a==0) + a = 0; for i=99999, 1e5, -1.0 do a=a+1 end; assert(a==0) + a = 0; for i=1.0, 0.99999, -1 do a=a+1 end; assert(a==1) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] nextvar: conversion", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + a = 0; for i="10","1","-2" do a=a+1 end; assert(a==5) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] nextvar: checking types", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local c + local function checkfloat (i) + assert(math.type(i) == "float") + c = c + 1 + end + + c = 0; for i = 1.0, 10 do checkfloat(i) end + assert(c == 10) + + c = 0; for i = -1, -10, -1.0 do checkfloat(i) end + assert(c == 10) + + local function checkint (i) + assert(math.type(i) == "integer") + c = c + 1 + end + + local m = math.maxinteger + c = 0; for i = m, m - 10, -1 do checkint(i) end + assert(c == 11) + + c = 0; for i = 1, 10.9 do checkint(i) end + assert(c == 10) + + c = 0; for i = 10, 0.001, -1 do checkint(i) end + assert(c == 10) + + c = 0; for i = 1, "10.8" do checkint(i) end + assert(c == 10) + + c = 0; for i = 9, "3.4", -1 do checkint(i) end + assert(c == 6) + + c = 0; for i = 0, " -3.4 ", -1 do checkint(i) end + assert(c == 4) + + c = 0; for i = 100, "96.3", -2 do checkint(i) end + assert(c == 2) + + c = 0; for i = 1, math.huge do if i > 10 then break end; checkint(i) end + assert(c == 10) + + c = 0; for i = -1, -math.huge, -1 do + if i < -10 then break end; checkint(i) + end + assert(c == 10) + + + for i = math.mininteger, -10e100 do assert(false) end + for i = math.maxinteger, 10e100, -1 do assert(false) end + + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] nextvar: testing generic 'for'", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function f (n, p) + local t = {}; for i=1,p do t[i] = i*10 end + return function (_,n) + if n > 0 then + n = n-1 + return n, table.unpack(t) + end + end, nil, n + end + + local x = 0 + for n,a,b,c,d in f(5,3) do + x = x+1 + assert(a == 10 and b == 20 and c == 30 and d == nil) + end + assert(x == 5) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] nextvar: testing __pairs and __ipairs metamethod", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + a = {} + do + local x,y,z = pairs(a) + assert(type(x) == 'function' and y == a and z == nil) + end + + local function foo (e,i) + assert(e == a) + if i <= 10 then return i+1, i+2 end + end + + local function foo1 (e,i) + i = i + 1 + assert(e == a) + if i <= e.n then return i,a[i] end + end + + setmetatable(a, {__pairs = function (x) return foo, x, 0 end}) + + local i = 0 + for k,v in pairs(a) do + i = i + 1 + assert(k == i and v == k+1) + end + + a.n = 5 + a[3] = 30 + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] nextvar: testing ipairs with metamethods", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + a = {n=10} + setmetatable(a, { __index = function (t,k) + if k <= t.n then return k * 10 end + end}) + i = 0 + for k,v in ipairs(a) do + i = i + 1 + assert(k == i and v == i * 10) + end + assert(i == a.n) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); diff --git a/test/test-suite/pm-classes.lua b/test/test-suite/pm-classes.lua new file mode 100644 index 0000000..59cca12 --- /dev/null +++ b/test/test-suite/pm-classes.lua @@ -0,0 +1,9 @@ +assert(string.match("alo xyzK", "(%w+)K") == "xyz") +assert(string.match("254 K", "(%d*)K") == "") +assert(string.match("alo ", "(%w*)$") == "") +assert(string.match("alo ", "(%w+)$") == nil) +assert(string.find("(lo)", "%(") == 1) +local a, b, c, d, e = string.match("lo alo", "^(((.).).* (%w*))$") +assert(a == 'lo alo' and b == 'l' and c == '' and d == 'alo' and e == nil) +a, b, c, d = string.match('0123456789', '(.+(.?)())') +assert(a == '0123456789' and b == '' and c == 11 and d == nil) diff --git a/test/test-suite/pm-gsub.lua b/test/test-suite/pm-gsub.lua new file mode 100644 index 0000000..d873cce --- /dev/null +++ b/test/test-suite/pm-gsub.lua @@ -0,0 +1,17 @@ +assert(string.gsub('lo lo', '', 'x') == 'xlo xlo') +assert(string.gsub('alo lo ', ' +$', '') == 'alo lo') -- trim +assert(string.gsub(' alo alo ', '^%s*(.-)%s*$', '%1') == 'alo alo') -- double trim +assert(string.gsub('alo alo \n 123\n ', '%s+', ' ') == 'alo alo 123 ') +t = "ab d" +a, b = string.gsub(t, '(.)', '%1@') +assert('@'..a == string.gsub(t, '', '@') and b == 5) +a, b = string.gsub('abd', '(.)', '%0@', 2) +assert(a == 'a@b@d' and b == 2) +assert(string.gsub('alo alo', '()[al]', '%1') == '12o 56o') +assert(string.gsub("abc=xyz", "(%w*)(%p)(%w+)", "%3%2%1-%0") == + "xyz=abc-abc=xyz") +assert(string.gsub("abc", "%w", "%1%0") == "aabbcc") +assert(string.gsub("abc", "%w+", "%0%1") == "abcabc") +assert(string.gsub('', '$', '\0') == '\0') +assert(string.gsub('', '^', 'r') == 'r') +assert(string.gsub('', '$', 'r') == 'r') diff --git a/test/test-suite/pm.test.js b/test/test-suite/pm.test.js new file mode 100644 index 0000000..c2d0de5 --- /dev/null +++ b/test/test-suite/pm.test.js @@ -0,0 +1,539 @@ +"use strict"; + +const lua = require('../../src/lua.js'); +const lauxlib = require('../../src/lauxlib.js'); +const lualib = require('../../src/lualib.js'); +const {to_luastring} = require("../../src/fengaricore.js"); + +test("[test-suite] pm: pattern matching", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + function f(s, p) + local i,e = string.find(s, p) + if i then return string.sub(s, i, e) end + end + + a,b = string.find('', '') -- empty patterns are tricky + assert(a == 1 and b == 0); + a,b = string.find('alo', '') + assert(a == 1 and b == 0) + a,b = string.find('a\\0o a\\0o a\\0o', 'a', 1) -- first position + assert(a == 1 and b == 1) + a,b = string.find('a\\0o a\\0o a\\0o', 'a\\0o', 2) -- starts in the midle + assert(a == 5 and b == 7) + a,b = string.find('a\\0o a\\0o a\\0o', 'a\\0o', 9) -- starts in the midle + assert(a == 9 and b == 11) + a,b = string.find('a\\0a\\0a\\0a\\0\\0ab', '\\0ab', 2); -- finds at the end + assert(a == 9 and b == 11); + a,b = string.find('a\\0a\\0a\\0a\\0\\0ab', 'b') -- last position + assert(a == 11 and b == 11) + assert(string.find('a\\0a\\0a\\0a\\0\\0ab', 'b\\0') == nil) -- check ending + assert(string.find('', '\\0') == nil) + assert(string.find('alo123alo', '12') == 4) + assert(string.find('alo123alo', '^12') == nil) + + assert(string.match("aaab", ".*b") == "aaab") + assert(string.match("aaa", ".*a") == "aaa") + assert(string.match("b", ".*b") == "b") + + assert(string.match("aaab", ".+b") == "aaab") + assert(string.match("aaa", ".+a") == "aaa") + assert(not string.match("b", ".+b")) + + assert(string.match("aaab", ".?b") == "ab") + assert(string.match("aaa", ".?a") == "aa") + assert(string.match("b", ".?b") == "b") + + assert(f('aloALO', '%l*') == 'alo') + assert(f('aLo_ALO', '%a*') == 'aLo') + + assert(f(" \\n\\r*&\\n\\r xuxu \\n\\n", "%g%g%g+") == "xuxu") + + assert(f('aaab', 'a*') == 'aaa'); + assert(f('aaa', '^.*$') == 'aaa'); + assert(f('aaa', 'b*') == ''); + assert(f('aaa', 'ab*a') == 'aa') + assert(f('aba', 'ab*a') == 'aba') + assert(f('aaab', 'a+') == 'aaa') + assert(f('aaa', '^.+$') == 'aaa') + assert(f('aaa', 'b+') == nil) + assert(f('aaa', 'ab+a') == nil) + assert(f('aba', 'ab+a') == 'aba') + assert(f('a$a', '.$') == 'a') + assert(f('a$a', '.%$') == 'a$') + assert(f('a$a', '.$.') == 'a$a') + assert(f('a$a', '$$') == nil) + assert(f('a$b', 'a$') == nil) + assert(f('a$a', '$') == '') + assert(f('', 'b*') == '') + assert(f('aaa', 'bb*') == nil) + assert(f('aaab', 'a-') == '') + assert(f('aaa', '^.-$') == 'aaa') + assert(f('aabaaabaaabaaaba', 'b.*b') == 'baaabaaabaaab') + assert(f('aabaaabaaabaaaba', 'b.-b') == 'baaab') + assert(f('alo xo', '.o$') == 'xo') + assert(f(' \\n isto é assim', '%S%S*') == 'isto') + assert(f(' \\n isto é assim', '%S*$') == 'assim') + assert(f(' \\n isto é assim', '[a-z]*$') == 'assim') + assert(f('um caracter ? extra', '[^%sa-z]') == '?') + assert(f('', 'a?') == '') + assert(f('á', 'á?') == 'á') + assert(f('ábl', 'á?b?l?') == 'ábl') + -- assert(f(' ábl', 'á?b?l?') == '') + assert(f('aa', '^aa?a?a') == 'aa') + -- assert(f(']]]áb', '[^]]') == 'á') + assert(f("0alo alo", "%x*") == "0a") + assert(f("alo alo", "%C+") == "alo alo") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] pm: tonumber", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + function f1(s, p) + p = string.gsub(p, "%%([0-9])", function (s) + return "%" .. (tonumber(s)+1) + end) + p = string.gsub(p, "^(^?)", "%1()", 1) + p = string.gsub(p, "($?)$", "()%1", 1) + local t = {string.match(s, p)} + return string.sub(s, t[1], t[#t] - 1) + end + + -- assert(f1('alo alx 123 b\\0o b\\0o', '(..*) %1') == "b\\0o b\\0o") + -- assert(f1('axz123= 4= 4 34', '(.+)=(.*)=%2 %1') == '3= 4= 4 3') + -- assert(f1('=======', '^(=*)=%1$') == '=======') + assert(string.match('==========', '^([=]*)=%1$') == nil) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] pm: range", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function range (i, j) + if i <= j then + return i, range(i+1, j) + end + end + + local abc = string.char(range(0, 255)); + + assert(string.len(abc) == 256) + + function strset (p) + local res = {s=''} + string.gsub(abc, p, function (c) res.s = res.s .. c end) + return res.s + end; + + assert(string.len(strset('[\\200-\\210]')) == 11) + + assert(strset('[a-z]') == "abcdefghijklmnopqrstuvwxyz") + assert(strset('[a-z%d]') == strset('[%da-uu-z]')) + assert(strset('[a-]') == "-a") + assert(strset('[^%W]') == strset('[%w]')) + assert(strset('[]%%]') == '%]') + assert(strset('[a%-z]') == '-az') + assert(strset('[%^%[%-a%]%-b]') == '-[]^ab') + assert(strset('%Z') == strset('[\\1-\\255]')) + assert(strset('.') == strset('[\\1-\\255%z]')) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +// Can't be represented by JS string, testing from actual lua file +test("[test-suite] pm: classes", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadfile(L, to_luastring("test/test-suite/pm-classes.lua")) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +// Can't be represented by JS string, testing from actual lua file +test("[test-suite] pm: gsub", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadfile(L, to_luastring("test/test-suite/pm-gsub.lua")) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] pm: empty matches", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do -- new (5.3.3) semantics for empty matches + assert(string.gsub("a b cd", " *", "-") == "-a-b-c-d-") + + local res = "" + local sub = "a \\nbc\\t\\td" + local i = 1 + for p, e in string.gmatch(sub, "()%s*()") do + res = res .. string.sub(sub, i, p - 1) .. "-" + i = e + end + assert(res == "-a-b-c-d-") + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] pm: gsub", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(string.gsub("um (dois) tres (quatro)", "(%(%w+%))", string.upper) == + "um (DOIS) tres (QUATRO)") + + do + local function setglobal (n,v) rawset(_G, n, v) end + string.gsub("a=roberto,roberto=a", "(%w+)=(%w%w*)", setglobal) + assert(_G.a=="roberto" and _G.roberto=="a") + end + + function f(a,b) return string.gsub(a,'.',b) end + assert(string.gsub("trocar tudo em |teste|b| é |beleza|al|", "|([^|]*)|([^|]*)|", f) == + "trocar tudo em bbbbb é alalalalalal") + + local function dostring (s) return load(s, "")() or "" end + assert(string.gsub("alo $a='x'$ novamente $return a$", + "$([^$]*)%$", + dostring) == "alo novamente x") + + x = string.gsub("$x=string.gsub('alo', '.', string.upper)$ assim vai para $return x$", + "$([^$]*)%$", dostring) + assert(x == ' assim vai para ALO') + + t = {} + s = 'a alo jose joao' + r = string.gsub(s, '()(%w+)()', function (a,w,b) + assert(string.len(w) == b-a); + t[a] = b-a; + end) + assert(s == r and t[1] == 1 and t[3] == 3 and t[7] == 4 and t[13] == 4) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] pm: gsub isbalanced", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + function isbalanced (s) + return string.find(string.gsub(s, "%b()", ""), "[()]") == nil + end + + assert(isbalanced("(9 ((8))(\\0) 7) \\0\\0 a b ()(c)() a")) + assert(not isbalanced("(9 ((8) 7) a b (\\0 c) a")) + assert(string.gsub("alo 'oi' alo", "%b''", '"') == 'alo " alo') + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] pm: capture", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function checkerror (msg, f, ...) + local s, err = pcall(f, ...) + assert(not s and string.find(err, msg)) + end + + local t = {"apple", "orange", "lime"; n=0} + assert(string.gsub("x and x and x", "x", function () t.n=t.n+1; return t[t.n] end) + == "apple and orange and lime") + + t = {n=0} + string.gsub("first second word", "%w%w*", function (w) t.n=t.n+1; t[t.n] = w end) + assert(t[1] == "first" and t[2] == "second" and t[3] == "word" and t.n == 3) + + t = {n=0} + assert(string.gsub("first second word", "%w+", + function (w) t.n=t.n+1; t[t.n] = w end, 2) == "first second word") + assert(t[1] == "first" and t[2] == "second" and t[3] == nil) + + checkerror("invalid replacement value %(a table%)", + string.gsub, "alo", ".", {a = {}}) + checkerror("invalid capture index %%2", string.gsub, "alo", ".", "%2") + checkerror("invalid capture index %%0", string.gsub, "alo", "(%0)", "a") + checkerror("invalid capture index %%1", string.gsub, "alo", "(%1)", "a") + checkerror("invalid use of '%%'", string.gsub, "alo", ".", "%x") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] pm: bug since 2.5 (C-stack overflow) (TODO: _soft)", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + _soft = true + if not _soft then -- TODO + local function f (size) + local s = string.rep("a", size) + local p = string.rep(".?", size) + return pcall(string.match, s, p) + end + local r, m = f(80) + assert(r and #m == 80) + r, m = f(200000) + assert(not r and string.find(m, "too complex")) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] pm: big strings (TODO: _soft)", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + _soft = true -- TODO + if not _soft then + print("big strings") + local a = string.rep('a', 300000) + assert(string.find(a, '^a*.?$')) + assert(not string.find(a, '^a*.?b$')) + assert(string.find(a, '^a-.?$')) + + -- bug in 5.1.2 + a = string.rep('a', 10000) .. string.rep('b', 10000) + assert(not pcall(string.gsub, a, 'b')) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] pm: recursive nest of gsubs", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + function rev (s) + return string.gsub(s, "(.)(.+)", function (c,s1) return rev(s1)..c end) + end + + local x = "abcdef" + assert(rev(rev(x)) == x) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] pm: gsub with tables", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(string.gsub("alo alo", ".", {}) == "alo alo") + assert(string.gsub("alo alo", "(.)", {a="AA", l=""}) == "AAo AAo") + assert(string.gsub("alo alo", "(.).", {a="AA", l="K"}) == "AAo AAo") + assert(string.gsub("alo alo", "((.)(.?))", {al="AA", o=false}) == "AAo AAo") + + assert(string.gsub("alo alo", "().", {'x','yy','zzz'}) == "xyyzzz alo") + + t = {}; setmetatable(t, {__index = function (t,s) return string.upper(s) end}) + assert(string.gsub("a alo b hi", "%w%w+", t) == "a ALO b HI") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] pm: gmatch", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local a = 0 + for i in string.gmatch('abcde', '()') do assert(i == a+1); a=i end + assert(a==6) + + t = {n=0} + for w in string.gmatch("first second word", "%w+") do + t.n=t.n+1; t[t.n] = w + end + assert(t[1] == "first" and t[2] == "second" and t[3] == "word") + + t = {3, 6, 9} + for i in string.gmatch ("xuxx uu ppar r", "()(.)%2") do + assert(i == table.remove(t, 1)) + end + assert(#t == 0) + + t = {} + for i,j in string.gmatch("13 14 10 = 11, 15= 16, 22=23", "(%d+)%s*=%s*(%d+)") do + t[tonumber(i)] = tonumber(j) + end + a = 0 + for k,v in pairs(t) do assert(k+1 == v+0); a=a+1 end + assert(a == 3) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] pm: tests for '%f' ('frontiers')", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(string.gsub("aaa aa a aaa a", "%f[%w]a", "x") == "xaa xa x xaa x") + assert(string.gsub("[[]] [][] [[[[", "%f[[].", "x") == "x[]] x]x] x[[[") + assert(string.gsub("01abc45de3", "%f[%d]", ".") == ".01abc.45de.3") + assert(string.gsub("01abc45 de3x", "%f[%D]%w", ".") == "01.bc45 de3.") + assert(string.gsub("function", "%f[\\1-\\255]%w", ".") == ".unction") + assert(string.gsub("function", "%f[^\\1-\\255]", ".") == "function.") + + assert(string.find("a", "%f[a]") == 1) + assert(string.find("a", "%f[^%z]") == 1) + assert(string.find("a", "%f[^%l]") == 2) + assert(string.find("aba", "%f[a%z]") == 3) + assert(string.find("aba", "%f[%z]") == 4) + assert(not string.find("aba", "%f[%l%z]")) + assert(not string.find("aba", "%f[^%l%z]")) + + local i, e = string.find(" alo aalo allo", "%f[%S].-%f[%s].-%f[%S]") + assert(i == 2 and e == 5) + local k = string.match(" alo aalo allo", "%f[%S](.-%f[%s].-%f[%S])") + assert(k == 'alo ') + + local a = {1, 5, 9, 14, 17,} + for k in string.gmatch("alo alo th02 is 1hat", "()%f[%w%d]") do + assert(table.remove(a, 1) == k) + end + assert(#a == 0) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] pm: malformed patterns", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function malform (p, m) + m = m or "malformed" + local r, msg = pcall(string.find, "a", p) + assert(not r and string.find(msg, m)) + end + + malform("(.", "unfinished capture") + malform(".)", "invalid pattern capture") + malform("[a") + malform("[]") + malform("[^]") + malform("[a%]") + malform("[a%") + malform("%b") + malform("%ba") + malform("%") + malform("%f", "missing") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] pm: \\0 in patterns", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(string.match("ab\\0\\1\\2c", "[\\0-\\2]+") == "\\0\\1\\2") + assert(string.match("ab\\0\\1\\2c", "[\\0-\\0]+") == "\\0") + assert(string.find("b$a", "$\\0?") == 2) + assert(string.find("abc\\0efg", "%\\0") == 4) + assert(string.match("abc\\0efg\\0\\1e\\1g", "%b\\0\\1") == "\\0efg\\0\\1e\\1") + assert(string.match("abc\\0\\0\\0", "%\\0+") == "\\0\\0\\0") + assert(string.match("abc\\0\\0\\0", "%\\0%\\0?") == "\\0\\0") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] pm: magic char after \\0", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(string.find("abc\\0\\0","\\0.") == 4) + assert(string.find("abcx\\0\\0abc\\0abc","x\\0\\0abc\\0a.") == 4) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); diff --git a/test/test-suite/sort.test.js b/test/test-suite/sort.test.js new file mode 100644 index 0000000..cc33c0c --- /dev/null +++ b/test/test-suite/sort.test.js @@ -0,0 +1,452 @@ +"use strict"; + +const lua = require('../../src/lua.js'); +const lauxlib = require('../../src/lauxlib.js'); +const lualib = require('../../src/lualib.js'); +const {to_luastring} = require("../../src/fengaricore.js"); + +const prefix = ` + local unpack = table.unpack + + local maxI = math.maxinteger + local minI = math.mininteger + + + local function checkerror (msg, f, ...) + local s, err = pcall(f, ...) + assert(not s and string.find(err, msg)) + end + + function timesort (a, n, func, msg, pre) + local x = os.clock() + table.sort(a, func) + x = (os.clock() - x) * 1000 + pre = pre or "" + -- print(string.format("%ssorting %d %s elements in %.2f msec.", pre, n, msg, x)) + check(a, func) + end + + limit = 50000 + if _soft then limit = 5000 end +`; + +test("[test-suite] sort: testing unpack", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + checkerror("wrong number of arguments", table.insert, {}, 2, 3, 4) + + local x,y,z,a,n + a = {}; lim = _soft and 200 or 2000 + for i=1, lim do a[i]=i end + assert(select(lim, unpack(a)) == lim and select('#', unpack(a)) == lim) + x = unpack(a) + assert(x == 1) + x = {unpack(a)} + assert(#x == lim and x[1] == 1 and x[lim] == lim) + x = {unpack(a, lim-2)} + assert(#x == 3 and x[1] == lim-2 and x[3] == lim) + x = {unpack(a, 10, 6)} + assert(next(x) == nil) -- no elements + x = {unpack(a, 11, 10)} + assert(next(x) == nil) -- no elements + x,y = unpack(a, 10, 10) + assert(x == 10 and y == nil) + x,y,z = unpack(a, 10, 11) + assert(x == 10 and y == 11 and z == nil) + a,x = unpack{1} + assert(a==1 and x==nil) + a,x = unpack({1,2}, 1, 1) + assert(a==1 and x==nil) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] sort: testing unpack", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local maxi = (1 << 31) - 1 -- maximum value for an int (usually) + local mini = -(1 << 31) -- minimum value for an int (usually) + checkerror("too many results", unpack, {}, 0, maxi) + checkerror("too many results", unpack, {}, 1, maxi) + checkerror("too many results", unpack, {}, 0, maxI) + checkerror("too many results", unpack, {}, 1, maxI) + checkerror("too many results", unpack, {}, mini, maxi) + checkerror("too many results", unpack, {}, -maxi, maxi) + checkerror("too many results", unpack, {}, minI, maxI) + unpack({}, maxi, 0) + unpack({}, maxi, 1) + unpack({}, maxI, minI) + pcall(unpack, {}, 1, maxi + 1) + local a, b = unpack({[maxi] = 20}, maxi, maxi) + assert(a == 20 and b == nil) + a, b = unpack({[maxi] = 20}, maxi - 1, maxi) + assert(a == nil and b == 20) + local t = {[maxI - 1] = 12, [maxI] = 23} + a, b = unpack(t, maxI - 1, maxI); assert(a == 12 and b == 23) + a, b = unpack(t, maxI, maxI); assert(a == 23 and b == nil) + a, b = unpack(t, maxI, maxI - 1); assert(a == nil and b == nil) + t = {[minI] = 12.3, [minI + 1] = 23.5} + a, b = unpack(t, minI, minI + 1); assert(a == 12.3 and b == 23.5) + a, b = unpack(t, minI, minI); assert(a == 12.3 and b == nil) + a, b = unpack(t, minI + 1, minI); assert(a == nil and b == nil) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] sort: testing unpack", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do -- length is not an integer + local t = setmetatable({}, {__len = function () return 'abc' end}) + assert(#t == 'abc') + checkerror("object length is not an integer", table.insert, t, 1) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] sort: testing pack", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + a = table.pack() + assert(a[1] == nil and a.n == 0) + + a = table.pack(table) + assert(a[1] == table and a.n == 1) + + a = table.pack(nil, nil, nil, nil) + assert(a[1] == nil and a.n == 4) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] sort: testing move", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + + checkerror("table expected", table.move, 1, 2, 3, 4) + + local function eqT (a, b) + for k, v in pairs(a) do assert(b[k] == v) end + for k, v in pairs(b) do assert(a[k] == v) end + end + + local a = table.move({10,20,30}, 1, 3, 2) -- move forward + eqT(a, {10,10,20,30}) + + -- move forward with overlap of 1 + a = table.move({10, 20, 30}, 1, 3, 3) + eqT(a, {10, 20, 10, 20, 30}) + + -- moving to the same table (not being explicit about it) + a = {10, 20, 30, 40} + table.move(a, 1, 4, 2, a) + eqT(a, {10, 10, 20, 30, 40}) + + a = table.move({10,20,30}, 2, 3, 1) -- move backward + eqT(a, {20,30,30}) + + a = {} -- move to new table + assert(table.move({10,20,30}, 1, 3, 1, a) == a) + eqT(a, {10,20,30}) + + a = {} + assert(table.move({10,20,30}, 1, 0, 3, a) == a) -- empty move (no move) + eqT(a, {}) + + a = table.move({10,20,30}, 1, 10, 1) -- move to the same place + eqT(a, {10,20,30}) + + -- moving on the fringes + a = table.move({[maxI - 2] = 1, [maxI - 1] = 2, [maxI] = 3}, + maxI - 2, maxI, -10, {}) + eqT(a, {[-10] = 1, [-9] = 2, [-8] = 3}) + + a = table.move({[minI] = 1, [minI + 1] = 2, [minI + 2] = 3}, + minI, minI + 2, -10, {}) + eqT(a, {[-10] = 1, [-9] = 2, [-8] = 3}) + + a = table.move({45}, 1, 1, maxI) + eqT(a, {45, [maxI] = 45}) + + a = table.move({[maxI] = 100}, maxI, maxI, minI) + eqT(a, {[minI] = 100, [maxI] = 100}) + + a = table.move({[minI] = 100}, minI, minI, maxI) + eqT(a, {[minI] = 100, [maxI] = 100}) + + a = setmetatable({}, { + __index = function (_,k) return k * 10 end, + __newindex = error}) + local b = table.move(a, 1, 10, 3, {}) + eqT(a, {}) + eqT(b, {nil,nil,10,20,30,40,50,60,70,80,90,100}) + + b = setmetatable({""}, { + __index = error, + __newindex = function (t,k,v) + t[1] = string.format("%s(%d,%d)", t[1], k, v) + end}) + table.move(a, 10, 13, 3, b) + assert(b[1] == "(3,100)(4,110)(5,120)(6,130)") + local stat, msg = pcall(table.move, b, 10, 13, 3, b) + assert(not stat and msg == b) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] sort: testing long move", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + -- for very long moves, just check initial accesses and interrupt + -- move with an error + local function checkmove (f, e, t, x, y) + local pos1, pos2 + local a = setmetatable({}, { + __index = function (_,k) pos1 = k end, + __newindex = function (_,k) pos2 = k; error() end, }) + local st, msg = pcall(table.move, a, f, e, t) + assert(not st and not msg and pos1 == x and pos2 == y) + end + checkmove(1, maxI, 0, 1, 0) + checkmove(0, maxI - 1, 1, maxI - 1, maxI) + checkmove(minI, -2, -5, -2, maxI - 6) + checkmove(minI + 1, -1, -2, -1, maxI - 3) + checkmove(minI, -2, 0, minI, 0) -- non overlapping + checkmove(minI + 1, -1, 1, minI + 1, 1) -- non overlapping + end + + checkerror("too many", table.move, {}, 0, maxI, 1) + checkerror("too many", table.move, {}, -1, maxI - 1, 1) + checkerror("too many", table.move, {}, minI, -1, 1) + checkerror("too many", table.move, {}, minI, maxI, 1) + checkerror("wrap around", table.move, {}, 1, maxI, 2) + checkerror("wrap around", table.move, {}, 1, 2, maxI) + checkerror("wrap around", table.move, {}, minI, -2, 2) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] sort: testing sort, strange lengths", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local a = setmetatable({}, {__len = function () return -1 end}) + assert(#a == -1) + table.sort(a, error) -- should not compare anything + a = setmetatable({}, {__len = function () return maxI end}) + checkerror("too big", table.sort, a) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] sort: test checks for invalid order functions", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function check (t) + local function f(a, b) assert(a and b); return true end + checkerror("invalid order function", table.sort, t, f) + end + + check{1,2,3,4} + check{1,2,3,4,5} + check{1,2,3,4,5,6} + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] sort: sort alpha", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + function check (a, f) + f = f or function (x,y) return x<y end; + for n = #a, 2, -1 do + assert(not f(a[n], a[n-1])) + end + end + + a = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", + "Oct", "Nov", "Dec"} + + table.sort(a) + check(a) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] sort: sort perm", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + function check (a, f) + f = f or function (x,y) return x<y end; + for n = #a, 2, -1 do + assert(not f(a[n], a[n-1])) + end + end + + function perm (s, n) + n = n or #s + if n == 1 then + local t = {unpack(s)} + table.sort(t) + check(t) + else + for i = 1, n do + s[i], s[n] = s[n], s[i] + perm(s, n - 1) + s[i], s[n] = s[n], s[i] + end + end + end + + perm{} + perm{1} + perm{1,2} + perm{1,2,3} + perm{1,2,3,4} + perm{2,2,3,4} + perm{1,2,3,4,5} + perm{1,2,3,3,5} + perm{1,2,3,4,5,6} + perm{2,2,3,3,5,6} + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] sort: Invert-sorting", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + function check (a, f) + f = f or function (x,y) return x<y end; + for n = #a, 2, -1 do + assert(not f(a[n], a[n-1])) + end + end + + a = {} + for i=1,limit do + a[i] = math.random() + end + + x = os.clock(); i=0 + table.sort(a, function(x,y) i=i+1; return y<x end) + x = (os.clock() - x) * 1000 + -- print(string.format("Invert-sorting other %d elements in %.2f msec., with %i comparisons", + -- limit, x, i)) + check(a, function(x,y) return y<x end) + + table.sort{} -- empty array + + for i=1,limit do a[i] = false end + timesort(a, limit, function(x,y) return nil end, "equal") + + for i,v in pairs(a) do assert(v == false) end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] sort: sorting", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + function check (a, f) + f = f or function (x,y) return x<y end; + for n = #a, 2, -1 do + assert(not f(a[n], a[n-1])) + end + end + + A = {"álo", "\\0first :-)", "alo", "then this one", "45", "and a new"} + table.sort(A) + check(A) + + table.sort(A, function (x, y) + load(string.format("A[%q] = ''", x), "")() + -- collectgarbage() + return x<y + end) + + + tt = {__lt = function (a,b) return a.val < b.val end} + a = {} + for i=1,10 do a[i] = {val=math.random(100)}; setmetatable(a[i], tt); end + table.sort(a) + check(a, tt.__lt) + check(a) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); diff --git a/test/test-suite/strings.test.js b/test/test-suite/strings.test.js new file mode 100644 index 0000000..0e37674 --- /dev/null +++ b/test/test-suite/strings.test.js @@ -0,0 +1,577 @@ +"use strict"; + +const lua = require('../../src/lua.js'); +const lauxlib = require('../../src/lauxlib.js'); +const lualib = require('../../src/lualib.js'); +const {to_luastring} = require("../../src/fengaricore.js"); + +const checkerror = ` + local maxi, mini = math.maxinteger, math.mininteger + + local function checkerror (msg, f, ...) + local s, err = pcall(f, ...) + assert(not s and string.find(err, msg)) + end +`; + +test('[test-suite] strings: string comparisons', () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert('alo' < 'alo1') + assert('' < 'a') + assert('alo\\0alo' < 'alo\\0b') + assert('alo\\0alo\\0\\0' > 'alo\\0alo\\0') + assert('alo' < 'alo\\0') + assert('alo\\0' > 'alo') + assert('\\0' < '\\1') + assert('\\0\\0' < '\\0\\1') + assert('\\1\\0a\\0a' <= '\\1\\0a\\0a') + assert(not ('\\1\\0a\\0b' <= '\\1\\0a\\0a')) + assert('\\0\\0\\0' < '\\0\\0\\0\\0') + assert(not('\\0\\0\\0\\0' < '\\0\\0\\0')) + assert('\\0\\0\\0' <= '\\0\\0\\0\\0') + assert(not('\\0\\0\\0\\0' <= '\\0\\0\\0')) + assert('\\0\\0\\0' <= '\\0\\0\\0') + assert('\\0\\0\\0' >= '\\0\\0\\0') + assert(not ('\\0\\0b' < '\\0\\0a\\0')) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(checkerror + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test('[test-suite] strings: string.sub', () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert('alo' < 'alo1') + assert('' < 'a') + assert('alo\\0alo' < 'alo\\0b') + assert('alo\\0alo\\0\\0' > 'alo\\0alo\\0') + assert('alo' < 'alo\\0') + assert('alo\\0' > 'alo') + assert('\\0' < '\\1') + assert('\\0\\0' < '\\0\\1') + assert('\\1\\0a\\0a' <= '\\1\\0a\\0a') + assert(not ('\\1\\0a\\0b' <= '\\1\\0a\\0a')) + assert('\\0\\0\\0' < '\\0\\0\\0\\0') + assert(not('\\0\\0\\0\\0' < '\\0\\0\\0')) + assert('\\0\\0\\0' <= '\\0\\0\\0\\0') + assert(not('\\0\\0\\0\\0' <= '\\0\\0\\0')) + assert('\\0\\0\\0' <= '\\0\\0\\0') + assert('\\0\\0\\0' >= '\\0\\0\\0') + assert(not ('\\0\\0b' < '\\0\\0a\\0')) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(checkerror + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test('[test-suite] strings: string.find', () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(string.find("123456789", "345") == 3) + a,b = string.find("123456789", "345") + assert(string.sub("123456789", a, b) == "345") + assert(string.find("1234567890123456789", "345", 3) == 3) + assert(string.find("1234567890123456789", "345", 4) == 13) + assert(string.find("1234567890123456789", "346", 4) == nil) + assert(string.find("1234567890123456789", ".45", -9) == 13) + assert(string.find("abcdefg", "\\0", 5, 1) == nil) + assert(string.find("", "") == 1) + assert(string.find("", "", 1) == 1) + assert(not string.find("", "", 2)) + assert(string.find('', 'aaa', 1) == nil) + assert(('alo(.)alo'):find('(.)', 1, 1) == 4) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(checkerror + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test('[test-suite] strings: string.len and #', () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(string.len("") == 0) + assert(string.len("\\0\\0\\0") == 3) + assert(string.len("1234567890") == 10) + + assert(#"" == 0) + assert(#"\\0\\0\\0" == 3) + assert(#"1234567890" == 10) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(checkerror + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test('[test-suite] strings: string.byte/string.char', () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(string.byte("a") == 97) + assert(string.byte("\\xe4") > 127) + assert(string.byte(string.char(255)) == 255) + assert(string.byte(string.char(0)) == 0) + assert(string.byte("\\0") == 0) + assert(string.byte("\\0\\0alo\\0x", -1) == string.byte('x')) + assert(string.byte("ba", 2) == 97) + assert(string.byte("\\n\\n", 2, -1) == 10) + assert(string.byte("\\n\\n", 2, 2) == 10) + assert(string.byte("") == nil) + assert(string.byte("hi", -3) == nil) + assert(string.byte("hi", 3) == nil) + assert(string.byte("hi", 9, 10) == nil) + assert(string.byte("hi", 2, 1) == nil) + assert(string.char() == "") + assert(string.char(0, 255, 0) == "\\0\\255\\0") + assert(string.char(0, string.byte("\\xe4"), 0) == "\\0\\xe4\\0") + assert(string.char(string.byte("\\xe4l\\0óu", 1, -1)) == "\\xe4l\\0óu") + assert(string.char(string.byte("\\xe4l\\0óu", 1, 0)) == "") + assert(string.char(string.byte("\\xe4l\\0óu", -10, 100)) == "\\xe4l\\0óu") + + assert(string.upper("ab\\0c") == "AB\\0C") + assert(string.lower("\\0ABCc%$") == "\\0abcc%$") + assert(string.rep('teste', 0) == '') + assert(string.rep('tés\\00tê', 2) == 'tés\\0têtés\\000tê') + assert(string.rep('', 10) == '') + + if string.packsize("i") == 4 then + -- result length would be 2^31 (int overflow) + checkerror("too large", string.rep, 'aa', (1 << 30)) + checkerror("too large", string.rep, 'a', (1 << 30), ',') + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(checkerror + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test('[test-suite] strings: repetitions with separator', () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(string.rep('teste', 0, 'xuxu') == '') + assert(string.rep('teste', 1, 'xuxu') == 'teste') + assert(string.rep('\\1\\0\\1', 2, '\\0\\0') == '\\1\\0\\1\\0\\0\\1\\0\\1') + assert(string.rep('', 10, '.') == string.rep('.', 9)) + assert(not pcall(string.rep, "aa", maxi // 2 + 10)) + assert(not pcall(string.rep, "", maxi // 2 + 10, "aa")) + + assert(string.reverse"" == "") + assert(string.reverse"\\0\\1\\2\\3" == "\\3\\2\\1\\0") + assert(string.reverse"\\0001234" == "4321\\0") + + for i=0,30 do assert(string.len(string.rep('a', i)) == i) end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(checkerror + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test('[test-suite] strings: tostring', () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(type(tostring(nil)) == 'string') + assert(type(tostring(12)) == 'string') + assert(string.find(tostring{}, 'table:')) + assert(string.find(tostring(print), 'function:')) + assert(#tostring('\\0') == 1) + assert(tostring(true) == "true") + assert(tostring(false) == "false") + assert(tostring(-1203) == "-1203") + assert(tostring(1203.125) == "1203.125") + assert(tostring(-0.5) == "-0.5") + assert(tostring(-32767) == "-32767") + if math.tointeger(2147483647) then -- no overflow? (32 bits) + assert(tostring(-2147483647) == "-2147483647") + end + if math.tointeger(4611686018427387904) then -- no overflow? (64 bits) + assert(tostring(4611686018427387904) == "4611686018427387904") + assert(tostring(-4611686018427387904) == "-4611686018427387904") + end + + if tostring(0.0) == "0.0" then -- "standard" coercion float->string + assert('' .. 12 == '12' and 12.0 .. '' == '12.0') + assert(tostring(-1203 + 0.0) == "-1203.0") + else -- compatible coercion + assert(tostring(0.0) == "0") + assert('' .. 12 == '12' and 12.0 .. '' == '12') + assert(tostring(-1203 + 0.0) == "-1203") + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(checkerror + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test('[test-suite] strings: string.format', () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + x = '"ílo"\\n\\\\' + assert(string.format('%q%s', x, x) == '"\\\\"ílo\\\\"\\\\\\n\\\\\\\\""ílo"\\n\\\\') + assert(string.format('%q', "\\0") == [["\\0"]]) + assert(load(string.format('return %q', x))() == x) + x = "\\0\\1\\0023\\5\\0009" + assert(load(string.format('return %q', x))() == x) + assert(string.format("\\0%c\\0%c%x\\0", string.byte("\\xe4"), string.byte("b"), 140) == + "\\0\\xe4\\0b8c\\0") + assert(string.format('') == "") + assert(string.format("%c",34)..string.format("%c",48)..string.format("%c",90)..string.format("%c",100) == + string.format("%c%c%c%c", 34, 48, 90, 100)) + assert(string.format("%s\\0 is not \\0%s", 'not be', 'be') == 'not be\\0 is not \\0be') + assert(string.format("%%%d %010d", 10, 23) == "%10 0000000023") + assert(tonumber(string.format("%f", 10.3)) == 10.3) + x = string.format('"%-50s"', 'a') + assert(#x == 52) + assert(string.sub(x, 1, 4) == '"a ') + + assert(string.format("-%.20s.20s", string.rep("%", 2000)) == + "-"..string.rep("%", 20)..".20s") + assert(string.format('"-%20s.20s"', string.rep("%", 2000)) == + string.format("%q", "-"..string.rep("%", 2000)..".20s")) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(checkerror + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test('[test-suite] strings: %q', () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local function checkQ (v) + local s = string.format("%q", v) + local nv = load("return " .. s)() + assert(v == nv and math.type(v) == math.type(nv)) + end + checkQ("\\0\\0\\1\\255\\u{234}") + checkQ(math.maxinteger) + checkQ(math.mininteger) + checkQ(math.pi) + checkQ(0.1) + checkQ(true) + checkQ(nil) + checkQ(false) + checkerror("no literal", string.format, "%q", {}) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(checkerror + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test('[test-suite] strings: embedded zeros error', () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(string.format("\\0%s\\0", "\\0\\0\\1") == "\\0\\0\\0\\1\\0") + checkerror("contains zeros", string.format, "%10s", "\\0") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(checkerror + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test('[test-suite] strings: format x tostring', () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(string.format("%s %s", nil, true) == "nil true") + assert(string.format("%s %.4s", false, true) == "false true") + assert(string.format("%.3s %.3s", false, true) == "fal tru") + local m = setmetatable({}, {__tostring = function () return "hello" end, + __name = "hi"}) + assert(string.format("%s %.10s", m, m) == "hello hello") + getmetatable(m).__tostring = nil -- will use '__name' from now on + assert(string.format("%.4s", m) == "hi: ") + + getmetatable(m).__tostring = function () return {} end + checkerror("'__tostring' must return a string", tostring, m) + + + assert(string.format("%x", 0.0) == "0") + assert(string.format("%02x", 0.0) == "00") + -- assert(string.format("%08X", 0xFFFFFFFF) == "FFFFFFFF") + assert(string.format("%+08d", 31501) == "+0031501") + assert(string.format("%+08d", -30927) == "-0030927") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(checkerror + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test('[test-suite] strings: longest number that can be formatted', () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local i = 1 + local j = 10000 + while i + 1 < j do -- binary search for maximum finite float + local m = (i + j) // 2 + if 10^m < math.huge then i = m else j = m end + end + assert(10^i < math.huge and 10^j == math.huge) + local s = string.format('%.20f', -(10^i)) -- TODO: %.99f not possible with sprintf.js + -- assert(string.len(s) >= i + 101) + assert(tonumber(s) == -(10^i)) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(checkerror + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test('[test-suite] strings: large numbers for format', () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do -- assume at least 32 bits + local max, min = 0x7fffffff, -0x80000000 -- "large" for 32 bits + -- assert(string.sub(string.format("%8x", -1), -8) == "ffffffff") + assert(string.format("%x", max) == "7fffffff") + assert(string.sub(string.format("%x", min), -8) == "80000000") + assert(string.format("%d", max) == "2147483647") + assert(string.format("%d", min) == "-2147483648") + assert(string.format("%u", 0xffffffff) == "4294967295") + assert(string.format("%o", 0xABCD) == "125715") + + max, min = 0x7fffffffffffffff, -0x8000000000000000 + if max > 2.0^53 then -- only for 64 bits + assert(string.format("%x", (2^52 | 0) - 1) == "fffffffffffff") + assert(string.format("0x%8X", 0x8f000003) == "0x8F000003") + assert(string.format("%d", 2^53) == "9007199254740992") + assert(string.format("%i", -2^53) == "-9007199254740992") + assert(string.format("%x", max) == "7fffffffffffffff") + assert(string.format("%x", min) == "8000000000000000") + assert(string.format("%d", max) == "9223372036854775807") + assert(string.format("%d", min) == "-9223372036854775808") + assert(string.format("%u", ~(-1 << 64)) == "18446744073709551615") + assert(tostring(1234567890123) == '1234567890123') + end + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(checkerror + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] strings: 'format %a %A'", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local function matchhexa (n) + local s = string.format("%a", n) + -- result matches ISO C requirements + assert(string.find(s, "^%-?0x[1-9a-f]%.?[0-9a-f]*p[-+]?%d+$")) + assert(tonumber(s) == n) -- and has full precision + s = string.format("%A", n) + assert(string.find(s, "^%-?0X[1-9A-F]%.?[0-9A-F]*P[-+]?%d+$")) + assert(tonumber(s) == n) + end + for _, n in ipairs{0.1, -0.1, 1/3, -1/3, 1e30, -1e30, + -45/247, 1, -1, 2, -2, 3e-20, -3e-20} do + matchhexa(n) + end + + assert(string.find(string.format("%A", 0.0), "^0X0%.?0?P%+?0$")) + assert(string.find(string.format("%a", -0.0), "^%-0x0%.?0?p%+?0$")) + + if not _port then -- test inf, -inf, NaN, and -0.0 + assert(string.find(string.format("%a", 1/0), "^inf")) + assert(string.find(string.format("%A", -1/0), "^%-INF")) + assert(string.find(string.format("%a", 0/0), "^%-?nan")) + assert(string.find(string.format("%a", -0.0), "^%-0x0")) + end + + if not pcall(string.format, "%.3a", 0) then + -- (Message or print)("\\n >>> modifiers for format '%a' not available <<<\\n") + else + assert(string.find(string.format("%+.2A", 12), "^%+0X%x%.%x0P%+?%d$")) + assert(string.find(string.format("%.4A", -12), "^%-0X%x%.%x000P%+?%d$")) + end + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(checkerror + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] strings: errors in format", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + local function check (fmt, msg) + checkerror(msg, string.format, fmt, 10) + end + + local aux = string.rep('0', 600) + check("%100.3d", "too long") + check("%1"..aux..".3d", "too long") + check("%1.100d", "too long") + check("%10.1"..aux.."004d", "too long") + check("%t", "invalid option") + check("%"..aux.."d", "repeated flags") + check("%d %d", "no value") + + + assert(load("return 1\\n--comment without ending EOL")() == 1) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(checkerror + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] strings: table.concat", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + checkerror("table expected", table.concat, 3) + assert(table.concat{} == "") + assert(table.concat({}, 'x') == "") + assert(table.concat({'\\0', '\\0\\1', '\\0\\1\\2'}, '.\\0.') == "\\0.\\0.\\0\\1.\\0.\\0\\1\\2") + local a = {}; for i=1,300 do a[i] = "xuxu" end + assert(table.concat(a, "123").."123" == string.rep("xuxu123", 300)) + assert(table.concat(a, "b", 20, 20) == "xuxu") + assert(table.concat(a, "", 20, 21) == "xuxuxuxu") + assert(table.concat(a, "x", 22, 21) == "") + assert(table.concat(a, "3", 299) == "xuxu3xuxu") + assert(table.concat({}, "x", maxi, maxi - 1) == "") + assert(table.concat({}, "x", mini + 1, mini) == "") + assert(table.concat({}, "x", maxi, mini) == "") + assert(table.concat({[maxi] = "alo"}, "x", maxi, maxi) == "alo") + assert(table.concat({[maxi] = "alo", [maxi - 1] = "y"}, "-", maxi - 1, maxi) + == "y-alo") + + assert(not pcall(table.concat, {"a", "b", {}})) + + a = {"a","b","c"} + assert(table.concat(a, ",", 1, 0) == "") + assert(table.concat(a, ",", 1, 1) == "a") + assert(table.concat(a, ",", 1, 2) == "a,b") + assert(table.concat(a, ",", 2) == "b,c") + assert(table.concat(a, ",", 3) == "c") + assert(table.concat(a, ",", 4) == "") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(checkerror + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +// TODO: os.setlocale NYI +test.skip("[test-suite] strings: locale", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + if not _port then + + local locales = { "ptb", "pt_BR.iso88591", "ISO-8859-1" } + local function trylocale (w) + for i = 1, #locales do + if os.setlocale(locales[i], w) then + print(string.format("'%s' locale set to '%s'", w, locales[i])) + return locales[i] + end + end + print(string.format("'%s' locale not found", w)) + return false + end + + if trylocale("collate") then + assert("alo" < "álo" and "álo" < "amo") + end + + if trylocale("ctype") then + assert(string.gsub("áéíóú", "%a", "x") == "xxxxx") + assert(string.gsub("áÁéÉ", "%l", "x") == "xÁxÉ") + assert(string.gsub("áÁéÉ", "%u", "x") == "áxéx") + assert(string.upper"áÁé{xuxu}ção" == "ÁÁÉ{XUXU}ÇÃO") + end + + os.setlocale("C") + assert(os.setlocale() == 'C') + assert(os.setlocale(nil, "numeric") == 'C') + + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(checkerror + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] strings: bug in Lua 5.3.2: 'gmatch' iterator does not work across coroutines", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local f = string.gmatch("1 2 3 4 5", "%d+") + assert(f() == "1") + co = coroutine.wrap(f) + assert(co() == "2") + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(checkerror + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); diff --git a/test/test-suite/tpack.test.js b/test/test-suite/tpack.test.js new file mode 100644 index 0000000..3b97d3a --- /dev/null +++ b/test/test-suite/tpack.test.js @@ -0,0 +1,496 @@ +"use strict"; + +const lua = require('../../src/lua.js'); +const lauxlib = require('../../src/lauxlib.js'); +const lualib = require('../../src/lualib.js'); +const {to_luastring} = require("../../src/fengaricore.js"); + +const prefix = ` + local pack = string.pack + local packsize = string.packsize + local unpack = string.unpack + + function checkerror (msg, f, ...) + local status, err = pcall(f, ...) + -- print(status, err, msg) + assert(not status and string.find(err, msg)) + end + + local NB = 16 + + local sizeshort = packsize("h") + local sizeint = packsize("i") + local sizelong = packsize("l") + local sizesize_t = packsize("T") + local sizeLI = packsize("j") + local sizefloat = packsize("f") + local sizedouble = packsize("d") + local sizenumber = packsize("n") + local little = (pack("i2", 1) == "\\1\\0") + local align = packsize("!xXi16") +`; + +test("[test-suite] tpack: maximum size for integers", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(1 <= sizeshort and sizeshort <= sizeint and sizeint <= sizelong and + sizefloat <= sizedouble) + + -- print("platform:") + -- print(string.format( + -- "\\tshort %d, int %d, long %d, size_t %d, float %d, double %d,\\n\\z + -- \\tlua Integer %d, lua Number %d", + -- sizeshort, sizeint, sizelong, sizesize_t, sizefloat, sizedouble, + -- sizeLI, sizenumber)) + -- print("\\t" .. (little and "little" or "big") .. " endian") + -- print("\\talignment: " .. align) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] tpack: minimum behavior for integer formats", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(unpack("B", pack("B", 0xff)) == 0xff) + assert(unpack("b", pack("b", 0x7f)) == 0x7f) + assert(unpack("b", pack("b", -0x80)) == -0x80) + + assert(unpack("H", pack("H", 0xffff)) == 0xffff) + assert(unpack("h", pack("h", 0x7fff)) == 0x7fff) + assert(unpack("h", pack("h", -0x8000)) == -0x8000) + + assert(unpack("L", pack("L", 0xffffffff)) == 0xffffffff) + assert(unpack("l", pack("l", 0x7fffffff)) == 0x7fffffff) + assert(unpack("l", pack("l", -0x80000000)) == -0x80000000) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] tpack: minimum behavior for integer formats", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + for i = 1, NB do + -- small numbers with signal extension ("\\xFF...") + local s = string.rep("\\xff", i) + assert(pack("i" .. i, -1) == s) + assert(packsize("i" .. i) == #s) + assert(unpack("i" .. i, s) == -1) + + -- small unsigned number ("\\0...\\xAA") + s = "\\xAA" .. string.rep("\\0", i - 1) + assert(pack("<I" .. i, 0xAA) == s) + assert(unpack("<I" .. i, s) == 0xAA) + assert(pack(">I" .. i, 0xAA) == s:reverse()) + assert(unpack(">I" .. i, s:reverse()) == 0xAA) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] tpack: minimum behavior for integer formats", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local lnum = 0x13121110090807060504030201 + local s = pack("<j", lnum) + assert(unpack("<j", s) == lnum) + assert(unpack("<i" .. sizeLI + 1, s .. "\\0") == lnum) + assert(unpack("<i" .. sizeLI + 1, s .. "\\0") == lnum) + + for i = sizeLI + 1, NB do + local s = pack("<j", -lnum) + assert(unpack("<j", s) == -lnum) + -- strings with (correct) extra bytes + assert(unpack("<i" .. i, s .. ("\\xFF"):rep(i - sizeLI)) == -lnum) + assert(unpack(">i" .. i, ("\\xFF"):rep(i - sizeLI) .. s:reverse()) == -lnum) + assert(unpack("<I" .. i, s .. ("\\0"):rep(i - sizeLI)) == -lnum) + + -- overflows + checkerror("does not fit", unpack, "<I" .. i, ("\\x00"):rep(i - 1) .. "\\1") + checkerror("does not fit", unpack, ">i" .. i, "\\1" .. ("\\x00"):rep(i - 1)) + end + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] tpack: minimum behavior for integer formats", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + for i = 1, sizeLI do + local lstr = "\\1\\2\\3\\4\\5\\6\\7\\8\\9\\10\\11\\12\\13" + local lnum = 0x13121110090807060504030201 + local n = lnum & (~(-1 << (i * 8))) + local s = string.sub(lstr, 1, i) + assert(pack("<i" .. i, n) == s) + assert(pack(">i" .. i, n) == s:reverse()) + assert(unpack(">i" .. i, s:reverse()) == n) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] tpack: sign extension", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local u = 0xf0 + for i = 1, sizeLI - 1 do + assert(unpack("<i"..i, "\\xf0"..("\\xff"):rep(i - 1)) == -16) + assert(unpack(">I"..i, "\\xf0"..("\\xff"):rep(i - 1)) == u) + u = u * 256 + 0xff + end + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] tpack: mixed endianness", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + assert(pack(">i2 <i2", 10, 20) == "\\0\\10\\20\\0") + local a, b = unpack("<i2 >i2", "\\10\\0\\0\\20") + assert(a == 10 and b == 20) + assert(pack("=i4", 2001) == pack("i4", 2001)) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] tpack: testing invalid formats", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + checkerror("out of limits", pack, "i0", 0) + checkerror("out of limits", pack, "i" .. NB + 1, 0) + checkerror("out of limits", pack, "!" .. NB + 1, 0) + checkerror("%(17%) out of limits %[1,16%]", pack, "Xi" .. NB + 1) + checkerror("invalid format option 'r'", pack, "i3r", 0) + checkerror("16%-byte integer", unpack, "i16", string.rep('\\3', 16)) + checkerror("not power of 2", pack, "!4i3", 0); + checkerror("missing size", pack, "c", "") + checkerror("variable%-length format", packsize, "s") + checkerror("variable%-length format", packsize, "z") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] tpack: overflow in option size (error will be in digit after limit)", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + checkerror("invalid format", packsize, "c1" .. string.rep("0", 40)) + + if packsize("i") == 4 then + -- result would be 2^31 (2^3 repetitions of 2^28 strings) + local s = string.rep("c268435456", 2^3) + checkerror("too large", packsize, s) + -- one less is OK + s = string.rep("c268435456", 2^3 - 1) .. "c268435455" + assert(packsize(s) == 0x7fffffff) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] tpack: overflow in packing", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + for i = 1, sizeLI - 1 do + local umax = (1 << (i * 8)) - 1 + local max = umax >> 1 + local min = ~max + checkerror("overflow", pack, "<I" .. i, -1) + checkerror("overflow", pack, "<I" .. i, min) + checkerror("overflow", pack, ">I" .. i, umax + 1) + + checkerror("overflow", pack, ">i" .. i, umax) + checkerror("overflow", pack, ">i" .. i, max + 1) + checkerror("overflow", pack, "<i" .. i, min - 1) + + assert(unpack(">i" .. i, pack(">i" .. i, max)) == max) + assert(unpack("<i" .. i, pack("<i" .. i, min)) == min) + assert(unpack(">I" .. i, pack(">I" .. i, umax)) == umax) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] tpack: Lua integer size", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + assert(unpack(">j", pack(">j", math.maxinteger)) == math.maxinteger) + assert(unpack("<j", pack("<j", math.mininteger)) == math.mininteger) + assert(unpack("<J", pack("<j", -1)) == -1) -- maximum unsigned integer + + if little then + assert(pack("f", 24) == pack("<f", 24)) + else + assert(pack("f", 24) == pack(">f", 24)) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] tpack: testing pack/unpack of floating-point numbers", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + for _, n in ipairs{0, -1.1, 1.9, 1/0, -1/0, 1e20, -1e20, 0.1, 2000.7} do + assert(unpack("n", pack("n", n)) == n) + assert(unpack("<n", pack("<n", n)) == n) + assert(unpack(">n", pack(">n", n)) == n) + assert(pack("<f", n) == pack(">f", n):reverse()) + assert(pack(">d", n) == pack("<d", n):reverse()) + end + + -- for non-native precisions, test only with "round" numbers + for _, n in ipairs{0, -1.5, 1/0, -1/0, 1e10, -1e9, 0.5, 2000.25} do + assert(unpack("<f", pack("<f", n)) == n) + assert(unpack(">f", pack(">f", n)) == n) + assert(unpack("<d", pack("<d", n)) == n) + assert(unpack(">d", pack(">d", n)) == n) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] tpack: testing pack/unpack of strings", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local s = string.rep("abc", 1000) + assert(pack("zB", s, 247) == s .. "\\0\\xF7") + local s1, b = unpack("zB", s .. "\\0\\xF9") + assert(b == 249 and s1 == s) + s1 = pack("s", s) + assert(unpack("s", s1) == s) + + checkerror("does not fit", pack, "s1", s) + + checkerror("contains zeros", pack, "z", "alo\\0"); + + for i = 2, NB do + local s1 = pack("s" .. i, s) + assert(unpack("s" .. i, s1) == s and #s1 == #s + i) + end + end + + do + local x = pack("s", "alo") + checkerror("too short", unpack, "s", x:sub(1, -2)) + checkerror("too short", unpack, "c5", "abcd") + checkerror("out of limits", pack, "s100", "alo") + end + + do + assert(pack("c0", "") == "") + assert(packsize("c0") == 0) + assert(unpack("c0", "") == "") + assert(pack("<! c3", "abc") == "abc") + assert(packsize("<! c3") == 3) + assert(pack(">!4 c6", "abcdef") == "abcdef") + assert(pack("c3", "123") == "123") + assert(pack("c0", "") == "") + assert(pack("c8", "123456") == "123456\\0\\0") + assert(pack("c88", "") == string.rep("\\0", 88)) + assert(pack("c188", "ab") == "ab" .. string.rep("\\0", 188 - 2)) + local a, b, c = unpack("!4 z c3", "abcdefghi\\0xyz") + assert(a == "abcdefghi" and b == "xyz" and c == 14) + checkerror("longer than", pack, "c3", "1234") + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] tpack: testing multiple types and sequence", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local x = pack("<b h b f d f n i", 1, 2, 3, 4, 5, 6, 7, 8) + assert(#x == packsize("<b h b f d f n i")) + local a, b, c, d, e, f, g, h = unpack("<b h b f d f n i", x) + assert(a == 1 and b == 2 and c == 3 and d == 4 and e == 5 and f == 6 and + g == 7 and h == 8) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] tpack: testing alignment", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + assert(pack(" < i1 i2 ", 2, 3) == "\\2\\3\\0") -- no alignment by default + local x = pack(">!8 b Xh i4 i8 c1 Xi8", -12, 100, 200, "\\xEC") + assert(#x == packsize(">!8 b Xh i4 i8 c1 Xi8")) + assert(x == "\\xf4" .. "\\0\\0\\0" .. + "\\0\\0\\0\\100" .. + "\\0\\0\\0\\0\\0\\0\\0\\xC8" .. + "\\xEC" .. "\\0\\0\\0\\0\\0\\0\\0") + local a, b, c, d, pos = unpack(">!8 c1 Xh i4 i8 b Xi8 XI XH", x) + assert(a == "\\xF4" and b == 100 and c == 200 and d == -20 and (pos - 1) == #x) + + x = pack(">!4 c3 c4 c2 z i4 c5 c2 Xi4", + "abc", "abcd", "xz", "hello", 5, "world", "xy") + assert(x == "abcabcdxzhello\\0\\0\\0\\0\\0\\5worldxy\\0") + local a, b, c, d, e, f, g, pos = unpack(">!4 c3 c4 c2 z i4 c5 c2 Xh Xi4", x) + assert(a == "abc" and b == "abcd" and c == "xz" and d == "hello" and + e == 5 and f == "world" and g == "xy" and (pos - 1) % 4 == 0) + + x = pack(" b b Xd b Xb x", 1, 2, 3) + assert(packsize(" b b Xd b Xb x") == 4) + assert(x == "\\1\\2\\3\\0") + a, b, c, pos = unpack("bbXdb", x) + assert(a == 1 and b == 2 and c == 3 and pos == #x) + + -- only alignment + assert(packsize("!8 xXi8") == 8) + local pos = unpack("!8 xXi8", "0123456701234567"); assert(pos == 9) + assert(packsize("!8 xXi2") == 2) + local pos = unpack("!8 xXi2", "0123456701234567"); assert(pos == 3) + assert(packsize("!2 xXi2") == 2) + local pos = unpack("!2 xXi2", "0123456701234567"); assert(pos == 3) + assert(packsize("!2 xXi8") == 2) + local pos = unpack("!2 xXi8", "0123456701234567"); assert(pos == 3) + assert(packsize("!16 xXi16") == 16) + local pos = unpack("!16 xXi16", "0123456701234567"); assert(pos == 17) + + checkerror("invalid next option", pack, "X") + checkerror("invalid next option", unpack, "XXi", "") + checkerror("invalid next option", unpack, "X i", "") + checkerror("invalid next option", pack, "Xc1") + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] tpack: testing initial position", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + do + local x = pack("i4i4i4i4", 1, 2, 3, 4) + for pos = 1, 16, 4 do + local i, p = unpack("i4", x, pos) + assert(i == pos//4 + 1 and p == pos + 4) + end + + -- with alignment + for pos = 0, 12 do -- will always round position to power of 2 + local i, p = unpack("!4 i4", x, pos + 1) + assert(i == (pos + 3)//4 + 1 and p == i*4 + 1) + end + + -- negative indices + local i, p = unpack("!4 i4", x, -4) + assert(i == 4 and p == 17) + local i, p = unpack("!4 i4", x, -7) + assert(i == 4 and p == 17) + local i, p = unpack("!4 i4", x, -#x) + assert(i == 1 and p == 5) + + -- limits + for i = 1, #x + 1 do + assert(unpack("c0", x, i) == "") + end + checkerror("out of string", unpack, "c0", x, 0) + checkerror("out of string", unpack, "c0", x, #x + 2) + checkerror("out of string", unpack, "c0", x, -(#x + 1)) + + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(prefix + luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); diff --git a/test/test-suite/utf8.test.js b/test/test-suite/utf8.test.js new file mode 100644 index 0000000..7e809da --- /dev/null +++ b/test/test-suite/utf8.test.js @@ -0,0 +1,293 @@ +"use strict"; + +const lua = require('../../src/lua.js'); +const lauxlib = require('../../src/lauxlib.js'); +const lualib = require('../../src/lualib.js'); +const {to_luastring} = require("../../src/fengaricore.js"); + +const prefix = ` + local function checkerror (msg, f, ...) + local s, err = pcall(f, ...) + assert(not s and string.find(err, msg)) + end + + + local function len (s) + return #string.gsub(s, "[\\x80-\\xBF]", "") + end + + + local justone = "^" .. utf8.charpattern .. "$" + + local function checksyntax (s, t) + local ts = {"return '"} + for i = 1, #t do ts[i + 1] = string.format("\\\\u{%x}", t[i]) end + ts[#t + 2] = "'" + ts = table.concat(ts) + assert(assert(load(ts))() == s) + end + -- 't' is the list of codepoints of 's' + local function check (s, t) + local l = utf8.len(s) + assert(#t == l and len(s) == l) + assert(utf8.char(table.unpack(t)) == s) + + assert(utf8.offset(s, 0) == 1) + + checksyntax(s, t) + + local t1 = {utf8.codepoint(s, 1, -1)} + assert(#t == #t1) + for i = 1, #t do assert(t[i] == t1[i]) end + + for i = 1, l do + local pi = utf8.offset(s, i) -- position of i-th char + local pi1 = utf8.offset(s, 2, pi) -- position of next char + assert(string.find(string.sub(s, pi, pi1 - 1), justone)) + assert(utf8.offset(s, -1, pi1) == pi) + assert(utf8.offset(s, i - l - 1) == pi) + assert(pi1 - pi == #utf8.char(utf8.codepoint(s, pi))) + for j = pi, pi1 - 1 do + assert(utf8.offset(s, 0, j) == pi) + end + for j = pi + 1, pi1 - 1 do + assert(not utf8.len(s, j)) + end + assert(utf8.len(s, pi, pi) == 1) + assert(utf8.len(s, pi, pi1 - 1) == 1) + assert(utf8.len(s, pi) == l - i + 1) + assert(utf8.len(s, pi1) == l - i) + assert(utf8.len(s, 1, pi) == i) + end + + local i = 0 + for p, c in utf8.codes(s) do + i = i + 1 + assert(c == t[i] and p == utf8.offset(s, i)) + assert(utf8.codepoint(s, p) == c) + end + assert(i == #t) + + i = 0 + for p, c in utf8.codes(s) do + i = i + 1 + assert(c == t[i] and p == utf8.offset(s, i)) + end + assert(i == #t) + + i = 0 + for c in string.gmatch(s, utf8.charpattern) do + i = i + 1 + assert(c == utf8.char(t[i])) + end + assert(i == #t) + + for i = 1, l do + assert(utf8.offset(s, i) == utf8.offset(s, i - l - 1, #s + 1)) + end + + end + + local function invalid (s) + checkerror("invalid UTF%-8 code", utf8.codepoint, s) + assert(not utf8.len(s)) + end +`; + +test("[test-suite] utf8: offset", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = prefix + ` + assert(utf8.offset("alo", 5) == nil) + assert(utf8.offset("alo", -4) == nil) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] utf8: error indication in utf8.len", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = prefix + ` + do + local function check (s, p) + local a, b = utf8.len(s) + assert(not a and b == p) + end + check("abc\\xE3def", 4) + check("汉字\\x80", #("汉字") + 1) + check("\\xF4\\x9F\\xBF", 1) + check("\\xF4\\x9F\\xBF\\xBF", 1) + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] utf8: error in initial position for offset", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = prefix + ` + checkerror("position out of range", utf8.offset, "abc", 1, 5) + checkerror("position out of range", utf8.offset, "abc", 1, -4) + checkerror("position out of range", utf8.offset, "", 1, 2) + checkerror("position out of range", utf8.offset, "", 1, -1) + checkerror("continuation byte", utf8.offset, "𦧺", 1, 2) + checkerror("continuation byte", utf8.offset, "𦧺", 1, 2) + checkerror("continuation byte", utf8.offset, "\\x80", 1) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] utf8: codepoints", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = prefix + ` + local s = "hello World" + local t = {string.byte(s, 1, -1)} + for i = 1, utf8.len(s) do assert(t[i] == string.byte(s, i)) end + check(s, t) + + check("汉字/漢字", {27721, 23383, 47, 28450, 23383,}) + + do + local s = "áéí\\128" + local t = {utf8.codepoint(s,1,#s - 1)} + assert(#t == 3 and t[1] == 225 and t[2] == 233 and t[3] == 237) + checkerror("invalid UTF%-8 code", utf8.codepoint, s, 1, #s) + checkerror("out of range", utf8.codepoint, s, #s + 1) + t = {utf8.codepoint(s, 4, 3)} + assert(#t == 0) + checkerror("out of range", utf8.codepoint, s, -(#s + 1), 1) + checkerror("out of range", utf8.codepoint, s, 1, #s + 1) + end + + assert(utf8.char() == "") + assert(utf8.char(97, 98, 99) == "abc") + + assert(utf8.codepoint(utf8.char(0x10FFFF)) == 0x10FFFF) + + checkerror("value out of range", utf8.char, 0x10FFFF + 1) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] utf8: UTF-8 representation for 0x11ffff (value out of valid range)", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = prefix + ` + invalid("\\xF4\\x9F\\xBF\\xBF") + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] utf8: overlong sequences", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = prefix + ` + invalid("\\xC0\\x80") -- zero + invalid("\\xC1\\xBF") -- 0x7F (should be coded in 1 byte) + invalid("\\xE0\\x9F\\xBF") -- 0x7FF (should be coded in 2 bytes) + invalid("\\xF0\\x8F\\xBF\\xBF") -- 0xFFFF (should be coded in 3 bytes) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] utf8: invalid bytes", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = prefix + ` + invalid("\\x80") -- continuation byte + invalid("\\xBF") -- continuation byte + invalid("\\xFE") -- invalid byte + invalid("\\xFF") -- invalid byte + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] utf8: empty strings", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = prefix + ` + check("", {}) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] utf8: minimum and maximum values for each sequence size", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = prefix + ` + s = "\\0 \\x7F\\z + \\xC2\\x80 \\xDF\\xBF\\z + \\xE0\\xA0\\x80 \\xEF\\xBF\\xBF\\z + \\xF0\\x90\\x80\\x80 \\xF4\\x8F\\xBF\\xBF" + s = string.gsub(s, " ", "") + check(s, {0,0x7F, 0x80,0x7FF, 0x800,0xFFFF, 0x10000,0x10FFFF}) + + x = "日本語a-4\\0éó" + check(x, {26085, 26412, 35486, 97, 45, 52, 0, 233, 243}) + + -- Supplementary Characters + check("𣲷𠜎𠱓𡁻𠵼ab𠺢", + {0x23CB7, 0x2070E, 0x20C53, 0x2107B, 0x20D7C, 0x61, 0x62, 0x20EA2,}) + + check("𨳊𩶘𦧺𨳒𥄫𤓓\\xF4\\x8F\\xBF\\xBF", + {0x28CCA, 0x29D98, 0x269FA, 0x28CD2, 0x2512B, 0x244D3, 0x10ffff}) + + + local i = 0 + for p, c in string.gmatch(x, "()(" .. utf8.charpattern .. ")") do + i = i + 1 + assert(utf8.offset(x, i) == p) + assert(utf8.len(x, p) == utf8.len(x) - i + 1) + assert(utf8.len(c) == 1) + for j = 1, #c - 1 do + assert(utf8.offset(x, 0, p + j - 1) == p) + end + end + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); diff --git a/test/test-suite/vararg.test.js b/test/test-suite/vararg.test.js new file mode 100644 index 0000000..0538541 --- /dev/null +++ b/test/test-suite/vararg.test.js @@ -0,0 +1,176 @@ +"use strict"; + +const lua = require('../../src/lua.js'); +const lauxlib = require('../../src/lauxlib.js'); +const lualib = require('../../src/lualib.js'); +const {to_luastring} = require("../../src/fengaricore.js"); + +test("[test-suite] vararg: testing vararg", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + function f(a, ...) + local arg = {n = select('#', ...), ...} + for i=1,arg.n do assert(a[i]==arg[i]) end + return arg.n + end + + function c12 (...) + assert(arg == _G.arg) -- no local 'arg' + local x = {...}; x.n = #x + local res = (x.n==2 and x[1] == 1 and x[2] == 2) + if res then res = 55 end + return res, 2 + end + + function vararg (...) return {n = select('#', ...), ...} end + + local call = function (f, args) return f(table.unpack(args, 1, args.n)) end + + assert(f() == 0) + assert(f({1,2,3}, 1, 2, 3) == 3) + assert(f({"alo", nil, 45, f, nil}, "alo", nil, 45, f, nil) == 5) + + assert(c12(1,2)==55) + a,b = assert(call(c12, {1,2})) + assert(a == 55 and b == 2) + a = call(c12, {1,2;n=2}) + assert(a == 55 and b == 2) + a = call(c12, {1,2;n=1}) + assert(not a) + assert(c12(1,2,3) == false) + local a = vararg(call(next, {_G,nil;n=2})) + local b,c = next(_G) + assert(a[1] == b and a[2] == c and a.n == 2) + a = vararg(call(call, {c12, {1,2}})) + assert(a.n == 2 and a[1] == 55 and a[2] == 2) + a = call(function()end, {'+'}) + assert(a == nil) + + local t = {1, 10} + function t:f (...) local arg = {...}; return self[...]+#arg end + assert(t:f(1,4) == 3 and t:f(2) == 11) + + lim = 20 + local i, a = 1, {} + while i <= lim do a[i] = i+0.3; i=i+1 end + + function f(a, b, c, d, ...) + local more = {...} + assert(a == 1.3 and more[1] == 5.3 and + more[lim-4] == lim+0.3 and not more[lim-3]) + end + + function g(a,b,c) + assert(a == 1.3 and b == 2.3 and c == 3.3) + end + + call(f, a) + call(g, a) + + a = {} + i = 1 + while i <= lim do a[i] = i; i=i+1 end + assert(call(math.max, a) == lim) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] vararg: new-style varargs", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + function oneless (a, ...) return ... end + + function f (n, a, ...) + local b + assert(arg == _G.arg) -- no local 'arg' + if n == 0 then + local b, c, d = ... + return a, b, c, d, oneless(oneless(oneless(...))) + else + n, b, a = n-1, ..., a + assert(b == ...) + return f(n, a, ...) + end + end + + a,b,c,d,e = assert(f(10,5,4,3,2,1)) + assert(a==5 and b==4 and c==3 and d==2 and e==1) + + a,b,c,d,e = f(4) + assert(a==nil and b==nil and c==nil and d==nil and e==nil) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] vararg: varargs for main chunks", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + f = load[[ return {...} ]] + x = f(2,3) + assert(x[1] == 2 and x[2] == 3 and x[3] == nil) + + + f = load[[ + local x = {...} + for i=1,select('#', ...) do assert(x[i] == select(i, ...)) end + assert(x[select('#', ...)+1] == nil) + return true + ]] + + assert(f("a", "b", nil, {}, assert)) + assert(f()) + + a = {select(3, table.unpack{10,20,30,40})} + assert(#a == 2 and a[1] == 30 and a[2] == 40) + a = {select(1)} + assert(next(a) == nil) + a = {select(-1, 3, 5, 7)} + assert(a[1] == 7 and a[2] == nil) + a = {select(-2, 3, 5, 7)} + assert(a[1] == 5 and a[2] == 7 and a[3] == nil) + pcall(select, 10000) + pcall(select, -10000) + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); + + +test("[test-suite] vararg: bug in 5.2.2", () => { + let L = lauxlib.luaL_newstate(); + if (!L) throw Error("failed to create lua state"); + + let luaCode = ` + function f(p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, + p11, p12, p13, p14, p15, p16, p17, p18, p19, p20, + p21, p22, p23, p24, p25, p26, p27, p28, p29, p30, + p31, p32, p33, p34, p35, p36, p37, p38, p39, p40, + p41, p42, p43, p44, p45, p46, p48, p49, p50, ...) + local a1,a2,a3,a4,a5,a6,a7 + local a8,a9,a10,a11,a12,a13,a14 + end + + -- assertion fail here + f() + `; + lualib.luaL_openlibs(L); + if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX) + throw new SyntaxError(lua.lua_tojsstring(L, -1)); + lua.lua_call(L, 0, 0); +}); |