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-rw-r--r--test/test-suite/literals.test.js414
1 files changed, 414 insertions, 0 deletions
diff --git a/test/test-suite/literals.test.js b/test/test-suite/literals.test.js
new file mode 100644
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+++ b/test/test-suite/literals.test.js
@@ -0,0 +1,414 @@
+"use strict";
+
+const lua = require('../../src/lua.js');
+const lauxlib = require('../../src/lauxlib.js');
+const lualib = require('../../src/lualib.js');
+const {to_luastring} = require("../../src/fengaricore.js");
+
+const dostring = `
+ local function dostring (x) return assert(load(x), "")() end
+`;
+
+test("[test-suite] literals: dostring", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ let luaCode = `
+ dostring("x \\v\\f = \\t\\r 'a\\0a' \\v\\f\\f")
+ assert(x == 'a\\0a' and string.len(x) == 3)
+ `;
+ lualib.luaL_openlibs(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+// TODO: bell character '\a' in JS is parsed as 'a'
+test("[test-suite] literals: escape sequences", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ let luaCode = `
+ assert('\\n\\"\\'\\\\' == [[
+
+"'\\]])
+ assert(string.find("\\b\\f\\n\\r\\t\\v", "^%c%c%c%c%c%c$"))
+ `;
+ lualib.luaL_openlibs(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] literals: assume ASCII just for tests", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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")
+ `;
+ lualib.luaL_openlibs(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] literals: hexadecimal escapes", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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')
+ `;
+ lualib.luaL_openlibs(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] literals: UTF-8 sequences", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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")
+ `;
+ lualib.luaL_openlibs(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] literals: Error in escape sequences", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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>")
+ `;
+ lualib.luaL_openlibs(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] literals: valid characters in variable names", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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
+ `;
+ lualib.luaL_openlibs(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] literals: long variable names", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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
+ `;
+ lualib.luaL_openlibs(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] literals: escapes", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ let luaCode = `assert("\\n\\t" == [[\n\n\t]])
+assert([[\n\n $debug]] == "\\n $debug")
+assert([[ [ ]] ~= [[ ] ]])`;
+ lualib.luaL_openlibs(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] literals: long strings", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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`;
+ lualib.luaL_openlibs(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] literals: testing line ends", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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`;
+ lualib.luaL_openlibs(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] literals: testing comments and strings with long brackets", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ let luaCode = `a = [==[]=]==]
+assert(a == "]=")
+
+a = [==[[===[[=[]]=][====[]]===]===]==]
+assert(a == "[===[[=[]]=][====[]]===]===")
+
+a = [====[[===[[=[]]=][====[]]===]===]====]
+assert(a == "[===[[=[]]=][====[]]===]===")
+
+a = [=[]]]]]]]]]=]
+assert(a == "]]]]]]]]")
+
+
+--[===[
+x y z [==[ blu foo
+]==
+]
+]=]==]
+error error]=]===]`;
+ lualib.luaL_openlibs(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] literals: generate all strings of four of these chars", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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`;
+ lualib.luaL_openlibs(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] literals: testing %q x line ends", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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)
+ `;
+ lualib.luaL_openlibs(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] literals: testing errors", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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]")
+ `;
+ lualib.luaL_openlibs(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(dostring + luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
generated by cgit v1.2.3-54-g00ecf (git 2.45.1) at 2024-05-19 22:34:50 +0000