From e2d9007d484641a3c3dffc325999fe509de1422a Mon Sep 17 00:00:00 2001 From: Benoit Giannangeli Date: Wed, 26 Apr 2017 08:25:57 +0200 Subject: Breaking down lua test suite into tape tests --- tests/test-suite/strings.js | 512 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 512 insertions(+) create mode 100644 tests/test-suite/strings.js (limited to 'tests/test-suite') diff --git a/tests/test-suite/strings.js b/tests/test-suite/strings.js new file mode 100644 index 0000000..8668897 --- /dev/null +++ b/tests/test-suite/strings.js @@ -0,0 +1,512 @@ +"use strict"; + +const test = require('tape'); + +const lapi = require("../../src/lapi.js"); +const lauxlib = require("../../src/lauxlib.js"); +const lua = require('../../src/lua.js'); +const linit = require('../../src/linit.js'); + + +const checkerror = ` + local maxi, mini = math.maxinteger, math.mininteger + + local function checkerror (msg, f, ...) + local s, err = pcall(f, ...) + assert(not s and string.find(err, msg)) + end +`; + +test('testing string comparisons', function (t) { + let luaCode = ` + assert('alo' < 'alo1') + assert('' < 'a') + assert('alo\\0alo' < 'alo\\0b') + assert('alo\\0alo\\0\\0' > 'alo\\0alo\\0') + assert('alo' < 'alo\\0') + assert('alo\\0' > 'alo') + assert('\\0' < '\\1') + assert('\\0\\0' < '\\0\\1') + assert('\\1\\0a\\0a' <= '\\1\\0a\\0a') + assert(not ('\\1\\0a\\0b' <= '\\1\\0a\\0a')) + assert('\\0\\0\\0' < '\\0\\0\\0\\0') + assert(not('\\0\\0\\0\\0' < '\\0\\0\\0')) + assert('\\0\\0\\0' <= '\\0\\0\\0\\0') + assert(not('\\0\\0\\0\\0' <= '\\0\\0\\0')) + assert('\\0\\0\\0' <= '\\0\\0\\0') + assert('\\0\\0\\0' >= '\\0\\0\\0') + assert(not ('\\0\\0b' < '\\0\\0a\\0')) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + linit.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(checkerror + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lapi.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test('testing string.sub', function (t) { + let luaCode = ` + assert('alo' < 'alo1') + assert('' < 'a') + assert('alo\\0alo' < 'alo\\0b') + assert('alo\\0alo\\0\\0' > 'alo\\0alo\\0') + assert('alo' < 'alo\\0') + assert('alo\\0' > 'alo') + assert('\\0' < '\\1') + assert('\\0\\0' < '\\0\\1') + assert('\\1\\0a\\0a' <= '\\1\\0a\\0a') + assert(not ('\\1\\0a\\0b' <= '\\1\\0a\\0a')) + assert('\\0\\0\\0' < '\\0\\0\\0\\0') + assert(not('\\0\\0\\0\\0' < '\\0\\0\\0')) + assert('\\0\\0\\0' <= '\\0\\0\\0\\0') + assert(not('\\0\\0\\0\\0' <= '\\0\\0\\0')) + assert('\\0\\0\\0' <= '\\0\\0\\0') + assert('\\0\\0\\0' >= '\\0\\0\\0') + assert(not ('\\0\\0b' < '\\0\\0a\\0')) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + linit.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(checkerror + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lapi.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test('testing string.find', function (t) { + let luaCode = ` + assert(string.find("123456789", "345") == 3) + a,b = string.find("123456789", "345") + assert(string.sub("123456789", a, b) == "345") + assert(string.find("1234567890123456789", "345", 3) == 3) + assert(string.find("1234567890123456789", "345", 4) == 13) + assert(string.find("1234567890123456789", "346", 4) == nil) + assert(string.find("1234567890123456789", ".45", -9) == 13) + assert(string.find("abcdefg", "\\0", 5, 1) == nil) + assert(string.find("", "") == 1) + assert(string.find("", "", 1) == 1) + assert(not string.find("", "", 2)) + assert(string.find('', 'aaa', 1) == nil) + assert(('alo(.)alo'):find('(.)', 1, 1) == 4) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + linit.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(checkerror + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lapi.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test('testing string.len and #', function (t) { + let luaCode = ` + assert(string.len("") == 0) + assert(string.len("\\0\\0\\0") == 3) + assert(string.len("1234567890") == 10) + + assert(#"" == 0) + assert(#"\\0\\0\\0" == 3) + assert(#"1234567890" == 10) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + linit.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(checkerror + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lapi.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test('testing string.byte/string.char', function (t) { + let luaCode = ` + assert(string.byte("a") == 97) + assert(string.byte("\\xe4") > 127) + assert(string.byte(string.char(255)) == 255) + assert(string.byte(string.char(0)) == 0) + assert(string.byte("\\0") == 0) + assert(string.byte("\\0\\0alo\\0x", -1) == string.byte('x')) + assert(string.byte("ba", 2) == 97) + assert(string.byte("\\n\\n", 2, -1) == 10) + assert(string.byte("\\n\\n", 2, 2) == 10) + assert(string.byte("") == nil) + assert(string.byte("hi", -3) == nil) + assert(string.byte("hi", 3) == nil) + assert(string.byte("hi", 9, 10) == nil) + assert(string.byte("hi", 2, 1) == nil) + assert(string.char() == "") + assert(string.char(0, 255, 0) == "\\0\\255\\0") + assert(string.char(0, string.byte("\\xe4"), 0) == "\\0\\xe4\\0") + assert(string.char(string.byte("\\xe4l\\0óu", 1, -1)) == "\\xe4l\\0óu") + assert(string.char(string.byte("\\xe4l\\0óu", 1, 0)) == "") + assert(string.char(string.byte("\\xe4l\\0óu", -10, 100)) == "\\xe4l\\0óu") + + assert(string.upper("ab\\0c") == "AB\\0C") + assert(string.lower("\\0ABCc%$") == "\\0abcc%$") + assert(string.rep('teste', 0) == '') + assert(string.rep('tés\\00tê', 2) == 'tés\\0têtés\\000tê') + assert(string.rep('', 10) == '') + + if string.packsize("i") == 4 then + -- result length would be 2^31 (int overflow) + checkerror("too large", string.rep, 'aa', (1 << 30)) + checkerror("too large", string.rep, 'a', (1 << 30), ',') + end + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + linit.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(checkerror + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lapi.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test('testing repetitions with separator', function (t) { + let luaCode = ` + assert(string.rep('teste', 0, 'xuxu') == '') + assert(string.rep('teste', 1, 'xuxu') == 'teste') + assert(string.rep('\\1\\0\\1', 2, '\\0\\0') == '\\1\\0\\1\\0\\0\\1\\0\\1') + assert(string.rep('', 10, '.') == string.rep('.', 9)) + assert(not pcall(string.rep, "aa", maxi // 2 + 10)) + assert(not pcall(string.rep, "", maxi // 2 + 10, "aa")) + + assert(string.reverse"" == "") + assert(string.reverse"\\0\\1\\2\\3" == "\\3\\2\\1\\0") + assert(string.reverse"\\0001234" == "4321\\0") + + for i=0,30 do assert(string.len(string.rep('a', i)) == i) end + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + linit.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(checkerror + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lapi.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test('testing tostring', function (t) { + let luaCode = ` + assert(type(tostring(nil)) == 'string') + assert(type(tostring(12)) == 'string') + assert(string.find(tostring{}, 'table:')) + assert(string.find(tostring(print), 'function:')) + assert(#tostring('\\0') == 1) + assert(tostring(true) == "true") + assert(tostring(false) == "false") + assert(tostring(-1203) == "-1203") + assert(tostring(1203.125) == "1203.125") + assert(tostring(-0.5) == "-0.5") + assert(tostring(-32767) == "-32767") + if math.tointeger(2147483647) then -- no overflow? (32 bits) + assert(tostring(-2147483647) == "-2147483647") + end + if math.tointeger(4611686018427387904) then -- no overflow? (64 bits) + assert(tostring(4611686018427387904) == "4611686018427387904") + assert(tostring(-4611686018427387904) == "-4611686018427387904") + end + + if tostring(0.0) == "0.0" then -- "standard" coercion float->string + assert('' .. 12 == '12' and 12.0 .. '' == '12.0') + assert(tostring(-1203 + 0.0) == "-1203.0") + else -- compatible coercion + assert(tostring(0.0) == "0") + assert('' .. 12 == '12' and 12.0 .. '' == '12') + assert(tostring(-1203 + 0.0) == "-1203") + end + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + linit.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(checkerror + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lapi.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test('testing string.format', function (t) { + let luaCode = ` + x = '"ílo"\\n\\\\' + assert(string.format('%q%s', x, x) == '"\\\\"ílo\\\\"\\\\\\n\\\\\\\\""ílo"\\n\\\\') + assert(string.format('%q', "\\0") == [["\\0"]]) + assert(load(string.format('return %q', x))() == x) + x = "\\0\\1\\0023\\5\\0009" + assert(load(string.format('return %q', x))() == x) + assert(string.format("\\0%c\\0%c%x\\0", string.byte("\\xe4"), string.byte("b"), 140) == + "\\0\\xe4\\0b8c\\0") + assert(string.format('') == "") + assert(string.format("%c",34)..string.format("%c",48)..string.format("%c",90)..string.format("%c",100) == + string.format("%c%c%c%c", 34, 48, 90, 100)) + assert(string.format("%s\\0 is not \\0%s", 'not be', 'be') == 'not be\\0 is not \\0be') + assert(string.format("%%%d %010d", 10, 23) == "%10 0000000023") + assert(tonumber(string.format("%f", 10.3)) == 10.3) + x = string.format('"%-50s"', 'a') + assert(#x == 52) + assert(string.sub(x, 1, 4) == '"a ') + + assert(string.format("-%.20s.20s", string.rep("%", 2000)) == + "-"..string.rep("%", 20)..".20s") + assert(string.format('"-%20s.20s"', string.rep("%", 2000)) == + string.format("%q", "-"..string.rep("%", 2000)..".20s")) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + linit.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(checkerror + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lapi.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test('testing %q', function (t) { + let luaCode = ` + do + local function checkQ (v) + local s = string.format("%q", v) + local nv = load("return " .. s)() + assert(v == nv and math.type(v) == math.type(nv)) + end + checkQ("\\0\\0\\1\\255\\u{234}") + checkQ(math.maxinteger) + checkQ(math.mininteger) + checkQ(math.pi) + checkQ(0.1) + checkQ(true) + checkQ(nil) + checkQ(false) + checkerror("no literal", string.format, "%q", {}) + end + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + linit.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(checkerror + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lapi.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test('testing embedded zeros error', function (t) { + let luaCode = ` + assert(string.format("\\0%s\\0", "\\0\\0\\1") == "\\0\\0\\0\\1\\0") + checkerror("contains zeros", string.format, "%10s", "\\0") + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + linit.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(checkerror + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lapi.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test('testing format x tostring', function (t) { + let luaCode = ` + assert(string.format("%s %s", nil, true) == "nil true") + assert(string.format("%s %.4s", false, true) == "false true") + assert(string.format("%.3s %.3s", false, true) == "fal tru") + local m = setmetatable({}, {__tostring = function () return "hello" end, + __name = "hi"}) + assert(string.format("%s %.10s", m, m) == "hello hello") + getmetatable(m).__tostring = nil -- will use '__name' from now on + assert(string.format("%.4s", m) == "hi: ") + + getmetatable(m).__tostring = function () return {} end + checkerror("'__tostring' must return a string", tostring, m) + + + assert(string.format("%x", 0.0) == "0") + assert(string.format("%02x", 0.0) == "00") + assert(string.format("%08X", 0xFFFFFFFF) == "FFFFFFFF") + assert(string.format("%+08d", 31501) == "+0031501") + assert(string.format("%+08d", -30927) == "-0030927") + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + linit.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(checkerror + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lapi.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test('testing longest number that can be formatted', function (t) { + let luaCode = ` + do + local i = 1 + local j = 10000 + while i + 1 < j do -- binary search for maximum finite float + local m = (i + j) // 2 + if 10^m < math.huge then i = m else j = m end + end + assert(10^i < math.huge and 10^j == math.huge) + local s = string.format('%.99f', -(10^i)) + assert(string.len(s) >= i + 101) + assert(tonumber(s) == -(10^i)) + end + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + linit.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(checkerror + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lapi.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); -- cgit v1.2.3-70-g09d2