mirror of
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261 lines
8.5 KiB
Lua
261 lines
8.5 KiB
Lua
-- This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
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-- This file is based on Lua 5.x tests -- https://github.com/lua/lua/tree/master/testes
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print('testing strings and string library')
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assert('alo' < 'alo1')
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assert('' < 'a')
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assert('alo\0alo' < 'alo\0b')
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assert('alo\0alo\0\0' > 'alo\0alo\0')
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assert('alo' < 'alo\0')
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assert('alo\0' > 'alo')
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assert('\0' < '\1')
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assert('\0\0' < '\0\1')
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assert('\1\0a\0a' <= '\1\0a\0a')
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assert(not ('\1\0a\0b' <= '\1\0a\0a'))
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assert('\0\0\0' < '\0\0\0\0')
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assert(not('\0\0\0\0' < '\0\0\0'))
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assert('\0\0\0' <= '\0\0\0\0')
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assert(not('\0\0\0\0' <= '\0\0\0'))
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assert('\0\0\0' <= '\0\0\0')
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assert('\0\0\0' >= '\0\0\0')
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assert(not ('\0\0b' < '\0\0a\0'))
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print('+')
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assert(string.sub("123456789",2,4) == "234")
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assert(string.sub("123456789",7) == "789")
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assert(string.sub("123456789",7,6) == "")
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assert(string.sub("123456789",7,7) == "7")
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assert(string.sub("123456789",0,0) == "")
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assert(string.sub("123456789",-10,10) == "123456789")
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assert(string.sub("123456789",1,9) == "123456789")
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assert(string.sub("123456789",-10,-20) == "")
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assert(string.sub("123456789",-1) == "9")
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assert(string.sub("123456789",-4) == "6789")
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assert(string.sub("123456789",-6, -4) == "456")
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assert(string.sub("\000123456789",3,5) == "234")
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assert(("\000123456789"):sub(8) == "789")
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print('+')
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assert(string.find("123456789", "345") == 3)
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a,b = string.find("123456789", "345")
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assert(string.sub("123456789", a, b) == "345")
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assert(string.find("1234567890123456789", "345", 3) == 3)
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assert(string.find("1234567890123456789", "345", 4) == 13)
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assert(string.find("1234567890123456789", "346", 4) == nil)
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assert(string.find("1234567890123456789", ".45", -9) == 13)
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assert(string.find("abcdefg", "\0", 5, 1) == nil)
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assert(string.find("", "") == 1)
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assert(string.find('', 'aaa', 1) == nil)
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assert(('alo(.)alo'):find('(.)', 1, 1) == 4)
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assert(string.find('', '1', 2) == nil)
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assert(string.find('123', '2', 0) == 2)
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print('+')
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assert(string.len("") == 0)
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assert(string.len("\0\0\0") == 3)
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assert(string.len("1234567890") == 10)
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assert(string.len(123) == 3)
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assert(#"" == 0)
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assert(#"\0\0\0" == 3)
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assert(#"1234567890" == 10)
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assert(string.byte("a") == 97)
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assert(string.byte("<EFBFBD>") > 127)
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assert(string.byte(string.char(255)) == 255)
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assert(string.byte(string.char(0)) == 0)
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assert(string.byte("\0") == 0)
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assert(string.byte("\0\0alo\0x", -1) == string.byte('x'))
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assert(string.byte("ba", 2) == 97)
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assert(string.byte("\n\n", 2, -1) == 10)
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assert(string.byte("\n\n", 2, 2) == 10)
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assert(string.byte("") == nil)
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assert(string.byte("hi", -3) == nil)
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assert(string.byte("hi", 3) == nil)
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assert(string.byte("hi", 9, 10) == nil)
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assert(string.byte("hi", 2, 1) == nil)
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assert(string.char() == "")
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assert(string.char(0, 255, 0) == "\0\255\0")
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assert(string.char(0, string.byte("<EFBFBD>"), 0) == "\0<EFBFBD>\0")
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assert(string.char(string.byte("<EFBFBD>l\0<EFBFBD>u", 1, -1)) == "<EFBFBD>l\0<EFBFBD>u")
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assert(string.char(string.byte("<EFBFBD>l\0<EFBFBD>u", 1, 0)) == "")
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assert(string.char(string.byte("<EFBFBD>l\0<EFBFBD>u", -10, 100)) == "<EFBFBD>l\0<EFBFBD>u")
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assert(pcall(function() return string.char(256) end) == false)
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assert(pcall(function() return string.char(-1) end) == false)
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print('+')
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assert(string.upper("ab\0c") == "AB\0C")
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assert(string.lower("\0ABCc%$") == "\0abcc%$")
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assert(string.rep('teste', 0) == '')
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assert(string.rep('t<EFBFBD>s\00t<EFBFBD>', 2) == 't<EFBFBD>s\0t<EFBFBD>t<EFBFBD>s\000t<EFBFBD>')
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assert(string.rep('', 10) == '')
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assert(string.rep('', 1e9) == '')
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assert(pcall(string.rep, 'x', 2e9) == false)
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assert(string.reverse"" == "")
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assert(string.reverse"\0\1\2\3" == "\3\2\1\0")
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assert(string.reverse"\0001234" == "4321\0")
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for i=0,30 do assert(string.len(string.rep('a', i)) == i) end
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assert(type(tostring(nil)) == 'string')
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assert(type(tostring(12)) == 'string')
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assert(''..12 == '12' and type(12 .. '') == 'string')
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assert(string.find(tostring{}, 'table:'))
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assert(string.find(tostring(print), 'function:'))
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assert(tostring(1234567890123) == '1234567890123')
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assert(#tostring('\0') == 1)
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assert(tostring(true) == "true")
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assert(tostring(false) == "false")
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print('+')
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x = '"<22>lo"\n\\'
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assert(string.format('%q%s', x, x) == '"\\"<22>lo\\"\\\n\\\\""<22>lo"\n\\')
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assert(string.format('%q', "\0") == [["\000"]])
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assert(string.format('%q', "\r") == [["\r"]])
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assert(string.format("\0%c\0%c%x\0", string.byte("<EFBFBD>"), string.byte("b"), 140) ==
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"\0<EFBFBD>\0b8c\0")
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assert(string.format('') == "")
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assert(string.format("%c",34)..string.format("%c",48)..string.format("%c",90)..string.format("%c",100) ==
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string.format("%c%c%c%c", 34, 48, 90, 100))
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assert(string.format("%s\0 is not \0%s", 'not be', 'be') == 'not be\0 is not \0be')
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assert(string.format("%%%d %010d", 10, 23) == "%10 0000000023")
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assert(tonumber(string.format("%f", 10.3)) == 10.3)
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x = string.format('"%-50s"', 'a')
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assert(#x == 52)
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assert(string.sub(x, 1, 4) == '"a ')
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assert(string.format("-%.20s.20s", string.rep("%", 2000)) == "-"..string.rep("%", 20)..".20s")
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assert(string.format('"-%20s.20s"', string.rep("%", 2000)) ==
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string.format("%q", "-"..string.rep("%", 2000)..".20s"))
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assert(string.format("%o %u %x %X", -1, -1, -1, -1) == "1777777777777777777777 18446744073709551615 ffffffffffffffff FFFFFFFFFFFFFFFF")
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assert(string.format("%e %E", 1.5, -1.5) == "1.500000e+00 -1.500000E+00")
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assert(pcall(string.format, "%##################d", 1) == false)
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assert(pcall(string.format, "%.123d", 1) == false)
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assert(pcall(string.format, "%?", 1) == false)
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-- longest number that can be formated
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assert(string.len(string.format('%99.99f', -1e308)) >= 100)
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local function return_one_thing()
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return "hi"
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end
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local function return_two_nils()
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return nil, nil
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end
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assert(string.format("%*", return_one_thing()) == "hi")
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assert(string.format("%* %*", return_two_nils()) == "nil nil")
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assert(pcall(function()
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string.format("%* %* %*", return_two_nils())
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end) == false)
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assert(string.format("%*", "a\0b\0c") == "a\0b\0c")
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assert(string.format("%*", string.rep("doge", 3000)) == string.rep("doge", 3000))
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assert(string.format("%*", 42) == "42")
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assert(string.format("%*", true) == "true")
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assert(string.format("%*", setmetatable({}, { __tostring = function() return "ok" end })) == "ok")
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local ud = newproxy(true)
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getmetatable(ud).__tostring = function() return "good" end
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assert(string.format("%*", ud) == "good")
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assert(string.format(string.rep("%*", 100), table.unpack(table.create(100, 1))) == string.rep("1", 100))
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do
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local a = "1234567890"
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a = string.format("%*%*%*%*%*", a, a, a, a, a)
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a = string.format("%*%*%*%*%*", a, a, a, a, a)
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a = string.format("%*%*%*%*%*", a, a, a, a, a)
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assert(a == string.rep("1234567890", 125))
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end
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assert(pcall(function()
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string.format("%#*", "bad form")
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end) == false)
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assert(loadstring("return 1\n--coment<6E>rio sem EOL no final")() == 1)
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assert(table.concat{} == "")
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assert(table.concat({}, 'x') == "")
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assert(table.concat({'\0', '\0\1', '\0\1\2'}, '.\0.') == "\0.\0.\0\1.\0.\0\1\2")
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local a = {}; for i=1,3000 do a[i] = "xuxu" end
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assert(table.concat(a, "123").."123" == string.rep("xuxu123", 3000))
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assert(table.concat(a, "b", 20, 20) == "xuxu")
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assert(table.concat(a, "", 20, 21) == "xuxuxuxu")
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assert(table.concat(a, "", 22, 21) == "")
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assert(table.concat(a, "3", 2999) == "xuxu3xuxu")
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a = {"a","b","c"}
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assert(table.concat(a, ",", 1, 0) == "")
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assert(table.concat(a, ",", 1, 1) == "a")
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assert(table.concat(a, ",", 1, 2) == "a,b")
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assert(table.concat(a, ",", 2) == "b,c")
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assert(table.concat(a, ",", 3) == "c")
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assert(table.concat(a, ",", 4) == "")
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-- string.split
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do
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local function eq(a, b)
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if #a ~= #b then
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return false
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end
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for i=1,#a do
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if a[i] ~= b[i] then
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return false
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end
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end
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return true
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end
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assert(eq(string.split("abc", ""), {'a', 'b', 'c'}))
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assert(eq(string.split("abc", "b"), {'a', 'c'}))
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assert(eq(string.split("abc", "d"), {'abc'}))
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assert(eq(string.split("abc", "c"), {'ab', ''}))
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end
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-- validate that variadic string fast calls get correct number of arguments
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local function chr1(c)
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return string.char(tonumber(c));
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end
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assert(chr1("0") == "\0")
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--[[
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local locales = { "ptb", "ISO-8859-1", "pt_BR" }
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local function trylocale (w)
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for _, l in ipairs(locales) do
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if os.setlocale(l, w) then return true end
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end
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return false
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end
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if not trylocale("collate") then
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print("locale not supported")
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else
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assert("alo" < "<22>lo" and "<22>lo" < "amo")
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end
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if not trylocale("ctype") then
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print("locale not supported")
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else
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assert(string.gsub("<22><><EFBFBD><EFBFBD><EFBFBD>", "%a", "x") == "xxxxx")
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assert(string.gsub("<22><><EFBFBD><EFBFBD>", "%l", "x") == "x<>x<EFBFBD>")
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assert(string.gsub("<22><><EFBFBD><EFBFBD>", "%u", "x") == "<22>x<EFBFBD>x")
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assert(string.upper"<22><><EFBFBD>{xuxu}<7D><>o" == "<22><><EFBFBD>{XUXU}<7D><>O")
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end
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os.setlocale("C")
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assert(os.setlocale() == 'C')
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assert(os.setlocale(nil, "numeric") == 'C')
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]]--
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return('OK')
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