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-rw-r--r--tests/test-suite/strings.js512
1 files changed, 512 insertions, 0 deletions
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");
+
+});