diff options
Diffstat (limited to 'tests/test-suite/inprogress')
-rw-r--r-- | tests/test-suite/inprogress/errors.js | 1323 | ||||
-rw-r--r-- | tests/test-suite/inprogress/nextvar.js | 1183 |
2 files changed, 2506 insertions, 0 deletions
diff --git a/tests/test-suite/inprogress/errors.js b/tests/test-suite/inprogress/errors.js new file mode 100644 index 0000000..75c6f81 --- /dev/null +++ b/tests/test-suite/inprogress/errors.js @@ -0,0 +1,1323 @@ +"use strict"; + +const test = require('tape'); + +global.WEB = false; + +const lua = require('../../../src/lua.js'); +const lauxlib = require('../../../src/lauxlib.js'); +const lualib = require('../../../src/lualib.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", function (t) { + let luaCode = ` + assert(doit("error('hi', 0)") == 'hi') + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: test error message with no info", function (t) { + let luaCode = ` + assert(doit("error()") == nil) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: test common errors/errors that crashed in the past", function (t) { + 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) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: tests for better error messages", function (t) { + 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)") + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: upvalues being indexed do not go to the stack", function (t) { + 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'") + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: short circuit", function (t) { + 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") + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: float->integer conversions", function (t) { + 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'") + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: passing light userdata instead of full userdata", function (t) { + 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 + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: named objects (field '__name')", function (t) { + 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 + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: global functions", function (t) { + let luaCode = ` + checkmessage("(io.write or print){}", "io.write") + checkmessage("(collectgarbage or print){}", "collectgarbage") + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: errors in functions without debug info", function (t) { + 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 + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: tests for field accesses after RK limit", function (t) { + 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'") + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: global", function (t) { + 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'") + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: field", function (t) { + let luaCode = ` + checkmessage([[ + local x,y = {},1 + if math.sin(1) == 0 then return 3 end -- return + x.a()]], "field 'a'") + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: global insert", function (t) { + let luaCode = ` + checkmessage([[ + prefix = nil + insert = nil + while 1 do + local a + if nil then break end + insert(prefix, a) + end]], "global 'insert'") + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: sin", function (t) { + let luaCode = ` + checkmessage([[ -- tail call + return math.sin("a") + ]], "'sin'") + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: concatenate", function (t) { + let luaCode = ` + checkmessage([[x = print .. "a"]], "concatenate") + checkmessage([[x = "a" .. false]], "concatenate") + checkmessage([[x = {} .. 2]], "concatenate") + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: unknown global", function (t) { + let luaCode = ` + checkmessage([[ + local Var + local function main() + NoSuchName (function() Var=0 end) + end + main() + ]], "global 'NoSuchName'") + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: __index", function (t) { + 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'") + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: tests for errors in coroutines", function (t) { + 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) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: testing size of 'source' info", function (t) { + 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 + + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: testing line error", function (t) { + 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) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: several tests that exhaust the Lua stack", { skip: true }, function (t) { + 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()'))) + print('+') + assert(checkstackmessage(doit('y()'))) + print('+') + assert(checkstackmessage(doit('y()'))) + print('+') + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: error lines in stack overflow", { skip: true }, function (t) { + let luaCode = ` + C = 0 + local l1 + local function g(x) + l1 = debug.getinfo(x, "l").currentline; y() + end + local _, stackmsg = xpcall(g, debug.traceback, 1) + print('+') + 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) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: error in error handling", function (t) { + let luaCode = ` + local res, msg = xpcall(error, error) + assert(not res and type(msg) == 'string') + print('+') + + 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) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: too many results", { skip: true }, function (t) { + 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) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: non string messages", function (t) { + 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 + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: xpcall with arguments", function (t) { + 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) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: testing tokens in error messages", function (t) { + 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) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: test invalid non-printable char in a chunk", function (t) { + let luaCode = ` + checksyntax("a\\1a = 1", "", "<\\\\1>", 1) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: test 255 as first char in a chunk", function (t) { + let luaCode = ` + checksyntax("\\255a = 1", "", "<\\\\255>", 1) + + doit('I = load("a=9+"); a=3') + assert(a==3 and I == nil) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: lots of errors", function (t) { + let luaCode = ` + lim = 1000 + if _soft then lim = 100 end + for i=1,lim do + doit('a = ') + doit('a = 4+nil') + end + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: testing syntax limits", function (t) { + 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 C 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") + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: upvalues limit", function (t) { + 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")) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] errors: local variables limit", function (t) { + 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")) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); diff --git a/tests/test-suite/inprogress/nextvar.js b/tests/test-suite/inprogress/nextvar.js new file mode 100644 index 0000000..6cf7c74 --- /dev/null +++ b/tests/test-suite/inprogress/nextvar.js @@ -0,0 +1,1183 @@ +"use strict"; + +const test = require('tape'); + +global.WEB = false; + +const lua = require('../../src/lua.js'); +const lauxlib = require('../../src/lauxlib.js'); +const lualib = require('../../src/lualib.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", function (t) { + 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 + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] nextvar: testing ipairs", function (t) { + 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 + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] nextvar: test for 'false' x ipair", function (t) { + 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) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] nextvar: iterator function is always the same", function (t) { + let luaCode = ` + assert(type(ipairs{}) == 'function' and ipairs{} == ipairs{}) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] nextvar: JS tests", { skip: true }, function (t) { + 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 + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] nextvar: test size operation on empty tables", function (t) { + let luaCode = ` + assert(#{} == 0) + assert(#{nil} == 0) + assert(#{nil, nil} == 0) + assert(#{nil, nil, nil} == 0) + assert(#{nil, nil, nil, nil} == 0) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] nextvar: test size operation on empty tables", function (t) { + let luaCode = ` + assert(#{} == 0) + assert(#{nil} == 0) + assert(#{nil, nil} == 0) + assert(#{nil, nil, nil} == 0) + assert(#{nil, nil, nil, nil} == 0) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] nextvar: next uses always the same iteration function", function (t) { + 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")) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] nextvar: invalid key to 'next'", function (t) { + let luaCode = ` + checkerror("invalid key", next, {10,20}, 3) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] nextvar: both 'pairs' and 'ipairs' need an argument", function (t) { + let luaCode = ` + checkerror("bad argument", pairs) + checkerror("bad argument", ipairs) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] nextvar: fmod table", function (t) { + 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 + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] nextvar: check next", function (t) { + 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} + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] nextvar: # operator", function (t) { + 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 + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] nextvar: maxn", function (t) { + 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 + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] nextvar: int overflow", function (t) { + let luaCode = ` + a = {} + for i=0,50 do a[2^i] = true end + assert(a[#a]) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] nextvar: erasing values", function (t) { + 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) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] nextvar: testing table library with metamethods", function (t) { + 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 + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] nextvar: JS tests", { skip: true }, function (t) { + 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]) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] nextvar: next", function (t) { + 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) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +// TODO: infinite loop ? +test("[test-suite] nextvar: testing floats in numeric for", { skip: true }, function (t) { + 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 + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] nextvar: conversion", function (t) { + let luaCode = ` + a = 0; for i="10","1","-2" do a=a+1 end; assert(a==5) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] nextvar: checking types", function (t) { + 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 + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] nextvar: testing generic 'for'", function (t) { + 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) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] nextvar: testing __pairs and __ipairs metamethod", function (t) { + 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 + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] nextvar: testing ipairs with metamethods", function (t) { + 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) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); |