"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 dostring = `
local function dostring (x) return assert(load(x), "")() end
`;
test("[test-suite] literals: dostring", function (t) {
let luaCode = `
dostring("x \\v\\f = \\t\\r 'a\\0a' \\v\\f\\f")
assert(x == 'a\\0a' and string.len(x) == 3)
`, L;
t.plan(2);
t.doesNotThrow(function () {
L = lauxlib.luaL_newstate();
lualib.luaL_openlibs(L);
lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode));
}, "Lua program loaded without error");
t.doesNotThrow(function () {
lua.lua_call(L, 0, -1);
}, "Lua program ran without error");
});
// TODO: bell character '\a' in JS is parsed as 'a'
test("[test-suite] literals: escape sequences", function (t) {
let luaCode = `
assert('\\n\\"\\'\\\\' == [[
"'\\]])
assert(string.find("\\b\\f\\n\\r\\t\\v", "^%c%c%c%c%c%c$"))
`, L;
t.plan(2);
t.doesNotThrow(function () {
L = lauxlib.luaL_newstate();
lualib.luaL_openlibs(L);
lauxlib.luaL_loadstring(L, to_luastring(luaCode));
}, "Lua program loaded without error");
t.doesNotThrow(function () {
lua.lua_call(L, 0, -1);
}, "Lua program ran without error");
});
test("[test-suite] literals: assume ASCII just for tests", function (t) {
let luaCode = `
assert("\\09912" == 'c12')
assert("\\99ab" == 'cab')
assert("\\099" == '\\99')
assert("\\099\\n" == 'c\\10')
assert('\\0\\0\\0alo' == '\\0' .. '\\0\\0' .. 'alo')
assert(010 .. 020 .. -030 == "1020-30")
`, L;
t.plan(2);
t.doesNotThrow(function () {
L = lauxlib.luaL_newstate();
lualib.luaL_openlibs(L);
lauxlib.luaL_loadstring(L, to_luastring(luaCode));
}, "Lua program loaded without error");
t.doesNotThrow(function () {
lua.lua_call(L, 0, -1);
}, "Lua program ran without error");
});
test("[test-suite] literals: hexadecimal escapes", function (t) {
let luaCode = `
assert("\\x00\\x05\\x10\\x1f\\x3C\\xfF\\xe8" == "\\0\\5\\16\\31\\60\\255\\232")
local function lexstring (x, y, n)
local f = assert(load('return ' .. x ..
', require"debug".getinfo(1).currentline', ''))
local s, l = f()
assert(s == y and l == n)
end
lexstring("'abc\\\\z \\n efg'", "abcefg", 2)
lexstring("'abc\\\\z \\n\\n\\n'", "abc", 4)
lexstring("'\\\\z \\n\\t\\f\\v\\n'", "", 3)
lexstring("[[\\nalo\\nalo\\n\\n]]", "alo\\nalo\\n\\n", 5)
lexstring("[[\\nalo\\ralo\\n\\n]]", "alo\\nalo\\n\\n", 5)
lexstring("[[\\nalo\\ralo\\r\\n]]", "alo\\nalo\\n", 4)
lexstring("[[\\ralo\\n\\ralo\\r\\n]]", "alo\\nalo\\n", 4)
lexstring("[[alo]\\n]alo]]", "alo]\\n]alo", 2)
assert("abc\\z
def\\z
ghi\\z
" == 'abcdefghi')
`, L;
t.plan(2);
t.doesNotThrow(function () {
L = lauxlib.luaL_newstate();
lualib.luaL_openlibs(L);
lauxlib.luaL_loadstring(L, to_luastring(luaCode));
}, "Lua program loaded without error");
t.doesNotThrow(function () {
lua.lua_call(L, 0, -1);
}, "Lua program ran without error");
});
test("[test-suite] literals: UTF-8 sequences", function (t) {
let luaCode = `
assert("\\u{0}\\u{00000000}\\x00\\0" == string.char(0, 0, 0, 0))
-- limits for 1-byte sequences
assert("\\u{0}\\u{7F}" == "\\x00\\z\\x7F")
-- limits for 2-byte sequences
assert("\\u{80}\\u{7FF}" == "\\xC2\\x80\\z\\xDF\\xBF")
-- limits for 3-byte sequences
assert("\\u{800}\\u{FFFF}" == "\\xE0\\xA0\\x80\\z\\xEF\\xBF\\xBF")
-- limits for 4-byte sequences
assert("\\u{10000}\\u{10FFFF}" == "\\xF0\\x90\\x80\\x80\\z\\xF4\\x8F\\xBF\\xBF")
`, L;
t.plan(2);
t.doesNotThrow(function () {
L = lauxlib.luaL_newstate();
lualib.luaL_openlibs(L);
lauxlib.luaL_loadstring(L, to_luastring(luaCode));
}, "Lua program loaded without error");
t.doesNotThrow(function () {
lua.lua_call(L, 0, -1);
}, "Lua program ran without error");
});
test("[test-suite] literals: Error in escape sequences", function (t) {
let luaCode = `
local function lexerror (s, err)
local st, msg = load('return ' .. s, '')
if err ~= '<eof>' then err = err .. "'" end
assert(not st and string.find(msg, "near .-" .. err))
end
lexerror([["abc\\x"]], [[\\x"]])
lexerror([["abc\\x]], [[\\x]])
lexerror([["\\x]], [[\\x]])
lexerror([["\\x5"]], [[\\x5"]])
lexerror([["\\x5]], [[\\x5]])
lexerror([["\\xr"]], [[\\xr]])
lexerror([["\\xr]], [[\\xr]])
lexerror([["\\x.]], [[\\x.]])
lexerror([["\\x8%"]], [[\\x8%%]])
lexerror([["\\xAG]], [[\\xAG]])
lexerror([["\\g"]], [[\\g]])
lexerror([["\\g]], [[\\g]])
lexerror([["\\."]], [[\\%.]])
lexerror([["\\999"]], [[\\999"]])
lexerror([["xyz\\300"]], [[\\300"]])
lexerror([[" \\256"]], [[\\256"]])
-- errors in UTF-8 sequences
lexerror([["abc\\u{110000}"]], [[abc\\u{110000]]) -- too large
lexerror([["abc\\u11r"]], [[abc\\u1]]) -- missing '{'
lexerror([["abc\\u"]], [[abc\\u"]]) -- missing '{'
lexerror([["abc\\u{11r"]], [[abc\\u{11r]]) -- missing '}'
lexerror([["abc\\u{11"]], [[abc\\u{11"]]) -- missing '}'
lexerror([["abc\\u{11]], [[abc\\u{11]]) -- missing '}'
lexerror([["abc\\u{r"]], [[abc\\u{r]]) -- no digits
-- unfinished strings
lexerror("[=[alo]]", "<eof>")
lexerror("[=[alo]=", "<eof>")
lexerror("[=[alo]", "<eof>")
lexerror("'alo", "<eof>")
lexerror("'alo \\\\z \\n\\n", "<eof>")
lexerror("'alo \\\\z", "<eof>")
lexerror([['alo \\98]], "<eof>")
`, L;
t.plan(2);
t.doesNotThrow(function () {
L = lauxlib.luaL_newstate();
lualib.luaL_openlibs(L);
lauxlib.luaL_loadstring(L, to_luastring(luaCode));
}, "Lua program loaded without error");
t.doesNotThrow(function () {
lua.lua_call(L, 0, -1);
}, "Lua program ran without error");
});
test("[test-suite] literals: valid characters in variable names", function (t) {
let luaCode = `
for i = 0, 255 do
local s = string.char(i)
assert(not string.find(s, "[a-zA-Z_]") == not load(s .. "=1", ""))
assert(not string.find(s, "[a-zA-Z_0-9]") ==
not load("a" .. s .. "1 = 1", ""))
end
`, L;
t.plan(2);
t.doesNotThrow(function () {
L = lauxlib.luaL_newstate();
lualib.luaL_openlibs(L);
lauxlib.luaL_loadstring(L, to_luastring(luaCode));
}, "Lua program loaded without error");
t.doesNotThrow(function () {
lua.lua_call(L, 0, -1);
}, "Lua program ran without error");
});
test("[test-suite] literals: long variable names", function (t) {
let luaCode = `
var1 = string.rep('a', 15000) .. '1'
var2 = string.rep('a', 15000) .. '2'
prog = string.format([[
%s = 5
%s = %s + 1
return function () return %s - %s end
]], var1, var2, var1, var1, var2)
local f = dostring(prog)
assert(_G[var1] == 5 and _G[var2] == 6 and f() == -1)
var1, var2, f = nil
`, L;
t.plan(2);
t.doesNotThrow(function () {
L = lauxlib.luaL_newstate();
lualib.luaL_openlibs(L);
lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode));
}, "Lua program loaded without error");
t.doesNotThrow(function () {
lua.lua_call(L, 0, -1);
}, "Lua program ran without error");
});
test("[test-suite] literals: escapes", function (t) {
let luaCode = `assert("\\n\\t" == [[\n\n\t]])
assert([[\n\n $debug]] == "\\n $debug")
assert([[ [ ]] ~= [[ ] ]])`, L;
t.plan(2);
t.doesNotThrow(function () {
L = lauxlib.luaL_newstate();
lualib.luaL_openlibs(L);
lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode));
}, "Lua program loaded without error");
t.doesNotThrow(function () {
lua.lua_call(L, 0, -1);
}, "Lua program ran without error");
});
test("[test-suite] literals: long strings", function (t) {
let luaCode = `b = "001234567890123456789012345678901234567891234567890123456789012345678901234567890012345678901234567890123456789012345678912345678901234567890123456789012345678900123456789012345678901234567890123456789123456789012345678901234567890123456789001234567890123456789012345678901234567891234567890123456789012345678901234567890012345678901234567890123456789012345678912345678901234567890123456789012345678900123456789012345678901234567890123456789123456789012345678901234567890123456789001234567890123456789012345678901234567891234567890123456789012345678901234567890012345678901234567890123456789012345678912345678901234567890123456789012345678900123456789012345678901234567890123456789123456789012345678901234567890123456789001234567890123456789012345678901234567891234567890123456789012345678901234567890012345678901234567890123456789012345678912345678901234567890123456789012345678900123456789012345678901234567890123456789123456789012345678901234567890123456789"
assert(string.len(b) == 960)
prog = [=[
a1 = [["this is a 'string' with several 'quotes'"]]
a2 = "'quotes'"
assert(string.find(a1, a2) == 34)
a1 = [==[temp = [[an arbitrary value]]; ]==]
assert(load(a1))()
assert(temp == 'an arbitrary value')
-- long strings --
b = "001234567890123456789012345678901234567891234567890123456789012345678901234567890012345678901234567890123456789012345678912345678901234567890123456789012345678900123456789012345678901234567890123456789123456789012345678901234567890123456789001234567890123456789012345678901234567891234567890123456789012345678901234567890012345678901234567890123456789012345678912345678901234567890123456789012345678900123456789012345678901234567890123456789123456789012345678901234567890123456789001234567890123456789012345678901234567891234567890123456789012345678901234567890012345678901234567890123456789012345678912345678901234567890123456789012345678900123456789012345678901234567890123456789123456789012345678901234567890123456789001234567890123456789012345678901234567891234567890123456789012345678901234567890012345678901234567890123456789012345678912345678901234567890123456789012345678900123456789012345678901234567890123456789123456789012345678901234567890123456789"
assert(string.len(b) == 960)
a = [[00123456789012345678901234567890123456789123456789012345678901234567890123456789
00123456789012345678901234567890123456789123456789012345678901234567890123456789
00123456789012345678901234567890123456789123456789012345678901234567890123456789
00123456789012345678901234567890123456789123456789012345678901234567890123456789
00123456789012345678901234567890123456789123456789012345678901234567890123456789
00123456789012345678901234567890123456789123456789012345678901234567890123456789
00123456789012345678901234567890123456789123456789012345678901234567890123456789
00123456789012345678901234567890123456789123456789012345678901234567890123456789
00123456789012345678901234567890123456789123456789012345678901234567890123456789
00123456789012345678901234567890123456789123456789012345678901234567890123456789
00123456789012345678901234567890123456789123456789012345678901234567890123456789
00123456789012345678901234567890123456789123456789012345678901234567890123456789
00123456789012345678901234567890123456789123456789012345678901234567890123456789
00123456789012345678901234567890123456789123456789012345678901234567890123456789
00123456789012345678901234567890123456789123456789012345678901234567890123456789
00123456789012345678901234567890123456789123456789012345678901234567890123456789
00123456789012345678901234567890123456789123456789012345678901234567890123456789
00123456789012345678901234567890123456789123456789012345678901234567890123456789
00123456789012345678901234567890123456789123456789012345678901234567890123456789
00123456789012345678901234567890123456789123456789012345678901234567890123456789
00123456789012345678901234567890123456789123456789012345678901234567890123456789
00123456789012345678901234567890123456789123456789012345678901234567890123456789
00123456789012345678901234567890123456789123456789012345678901234567890123456789
]]
assert(string.len(a) == 1863)
assert(string.sub(a, 1, 40) == string.sub(b, 1, 40))
x = 1
]=]
x = nil
dostring(prog)
assert(x)
prog = nil
a = nil
b = nil`, L;
t.plan(2);
t.doesNotThrow(function () {
L = lauxlib.luaL_newstate();
lualib.luaL_openlibs(L);
lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode));
}, "Lua program loaded without error");
t.doesNotThrow(function () {
lua.lua_call(L, 0, -1);
}, "Lua program ran without error");
});
test("[test-suite] literals: testing line ends", function (t) {
let luaCode = `prog = [[
a = 1 -- a comment
b = 2
x = [=[
hi
]=]
y = "\\
hello\\r\\n\\
"
return require"debug".getinfo(1).currentline
]]
for _, n in pairs{"\\n", "\\r", "\\n\\r", "\\r\\n"} do
local prog, nn = string.gsub(prog, "\\n", n)
assert(dostring(prog) == nn)
assert(_G.x == "hi\\n" and _G.y == "\\nhello\\r\\n\\n")
end`, L;
t.plan(2);
t.doesNotThrow(function () {
L = lauxlib.luaL_newstate();
lualib.luaL_openlibs(L);
lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode));
}, "Lua program loaded without error");
t.doesNotThrow(function () {
lua.lua_call(L, 0, -1);
}, "Lua program ran without error");
});
test("[test-suite] literals: testing comments and strings with long brackets", function (t) {
let luaCode = `a = [==[]=]==]
assert(a == "]=")
a = [==[[===[[=[]]=][====[]]===]===]==]
assert(a == "[===[[=[]]=][====[]]===]===")
a = [====[[===[[=[]]=][====[]]===]===]====]
assert(a == "[===[[=[]]=][====[]]===]===")
a = [=[]]]]]]]]]=]
assert(a == "]]]]]]]]")
--[===[
x y z [==[ blu foo
]==
]
]=]==]
error error]=]===]`, L;
t.plan(2);
t.doesNotThrow(function () {
L = lauxlib.luaL_newstate();
lualib.luaL_openlibs(L);
lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode));
}, "Lua program loaded without error");
t.doesNotThrow(function () {
lua.lua_call(L, 0, -1);
}, "Lua program ran without error");
});
test("[test-suite] literals: generate all strings of four of these chars", function (t) {
let luaCode = `local x = {"=", "[", "]", "\\n"}
local len = 4
local function gen (c, n)
if n==0 then coroutine.yield(c)
else
for _, a in pairs(x) do
gen(c..a, n-1)
end
end
end
for s in coroutine.wrap(function () gen("", len) end) do
assert(s == load("return [====[\\n"..s.."]====]", "")())
end`, L;
t.plan(2);
t.doesNotThrow(function () {
L = lauxlib.luaL_newstate();
lualib.luaL_openlibs(L);
lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode));
}, "Lua program loaded without error");
t.doesNotThrow(function () {
lua.lua_call(L, 0, -1);
}, "Lua program ran without error");
});
test("[test-suite] literals: testing %q x line ends", function (t) {
let luaCode = `
local s = "a string with \\r and \\n and \\r\\n and \\n\\r"
local c = string.format("return %q", s)
assert(assert(load(c))() == s)
`, L;
t.plan(2);
t.doesNotThrow(function () {
L = lauxlib.luaL_newstate();
lualib.luaL_openlibs(L);
lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode));
}, "Lua program loaded without error");
t.doesNotThrow(function () {
lua.lua_call(L, 0, -1);
}, "Lua program ran without error");
});
test("[test-suite] literals: testing errors", function (t) {
let luaCode = `
assert(not load"a = 'non-ending string")
assert(not load"a = 'non-ending string\\n'")
assert(not load"a = '\\\\345'")
assert(not load"a = [=x]")
`, L;
t.plan(2);
t.doesNotThrow(function () {
L = lauxlib.luaL_newstate();
lualib.luaL_openlibs(L);
lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode));
}, "Lua program loaded without error");
t.doesNotThrow(function () {
lua.lua_call(L, 0, -1);
}, "Lua program ran without error");
});