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