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-rw-r--r--test/test-suite/errors.js1317
1 files changed, 1317 insertions, 0 deletions
diff --git a/test/test-suite/errors.js b/test/test-suite/errors.js
new file mode 100644
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--- /dev/null
+++ b/test/test-suite/errors.js
@@ -0,0 +1,1317 @@
+"use strict";
+
+const test = require('tape');
+
+const lua = require('../../src/lua.js');
+const lauxlib = require('../../src/lauxlib.js');
+const lualib = require('../../src/lualib.js');
+const {to_luastring} = require("../../src/fengaricore.js");
+
+const prefix = `
+ -- avoid problems with 'strict' module (which may generate other error messages)
+ local mt = getmetatable(_G) or {}
+ local oldmm = mt.__index
+ mt.__index = nil
+
+ local function checkerr (msg, f, ...)
+ local st, err = pcall(f, ...)
+ assert(not st and string.find(err, msg))
+ end
+
+
+ local function doit (s)
+ local f, msg = load(s)
+ if f == nil then return msg end
+ local cond, msg = pcall(f)
+ return (not cond) and msg
+ end
+
+
+ local function checkmessage (prog, msg)
+ local m = doit(prog)
+ assert(string.find(m, msg, 1, true))
+ end
+
+ local function checksyntax (prog, extra, token, line)
+ local msg = doit(prog)
+ if not string.find(token, "^<%a") and not string.find(token, "^char%(")
+ then token = "'"..token.."'" end
+ token = string.gsub(token, "(%p)", "%%%1")
+ local pt = string.format([[^%%[string ".*"%%]:%d: .- near %s$]],
+ line, token)
+ assert(string.find(msg, pt))
+ assert(string.find(msg, msg, 1, true))
+ end
+`;
+
+test("[test-suite] errors: test error message with no extra info", 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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", 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()')))
+ assert(checkstackmessage(doit('y()')))
+ assert(checkstackmessage(doit('y()')))
+ `, L;
+
+ t.plan(2);
+
+ t.doesNotThrow(function () {
+
+ L = lauxlib.luaL_newstate();
+
+ lualib.luaL_openlibs(L);
+
+ lauxlib.luaL_loadstring(L, 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", function (t) {
+ let luaCode = `
+ C = 0
+ local l = debug.getinfo(1, "l").currentline; function y () C=C+1; y() end
+ local l1
+ local function g(x)
+ l1 = debug.getinfo(x, "l").currentline; y()
+ end
+ local _, stackmsg = xpcall(g, debug.traceback, 1)
+ local stack = {}
+ for line in string.gmatch(stackmsg, "[^\\n]*") do
+ local curr = string.match(line, ":(%d+):")
+ if curr then table.insert(stack, tonumber(curr)) end
+ end
+ local i=1
+ while stack[i] ~= l1 do
+ assert(stack[i] == l)
+ i = i+1
+ end
+ assert(i > 15)
+ `, L;
+
+ t.plan(2);
+
+ t.doesNotThrow(function () {
+
+ L = lauxlib.luaL_newstate();
+
+ lualib.luaL_openlibs(L);
+
+ lauxlib.luaL_loadstring(L, 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')
+
+ 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, 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", 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, 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_loadbuffer(L, to_luastring(prefix + luaCode), null, to_luastring("@errors.lua"));
+
+ }, "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, 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, 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, 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, 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, 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 JS levels")
+ end
+
+ testrep("local a; a", ",a", "= 1", ",1") -- multiple assignment
+ testrep("local a; a=", "{", "0", "}")
+ testrep("local a; a=", "(", "2", ")")
+ testrep("local a; ", "a(", "2", ")")
+ testrep("", "do ", "", " end")
+ testrep("", "while a do ", "", " end")
+ testrep("local a; ", "if a then else ", "", " end")
+ testrep("", "function foo () ", "", " end")
+ testrep("local a; a=", "a..", "a", "")
+ testrep("local a; a=", "a^", "a", "")
+
+ checkmessage("a = f(x" .. string.rep(",x", 260) .. ")", "too many registers")
+ `, L;
+
+ t.plan(2);
+
+ t.doesNotThrow(function () {
+
+ L = lauxlib.luaL_newstate();
+
+ lualib.luaL_openlibs(L);
+
+ lauxlib.luaL_loadstring(L, 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, 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, to_luastring(prefix + luaCode));
+
+ }, "Lua program loaded without error");
+
+ t.doesNotThrow(function () {
+
+ lua.lua_call(L, 0, -1);
+
+ }, "Lua program ran without error");
+
+});