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diff --git a/test/test-suite/api.test.js b/test/test-suite/api.test.js
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+"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);
+});
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-11-15 11:56:13 +0000