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180 lines
6.8 KiB
Lua
180 lines
6.8 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 scanner')
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local function dostring (x) return assert(loadstring(x))() end
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-- Luau doesn't support unescaped NUL literals inside Lua source code
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-- dostring("x = 'a\0a'")
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-- assert(x == 'a\0a' and string.len(x) == 3)
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-- escape sequences
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assert('\n\"\'\\' == [[
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"'\]])
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assert(string.find("\a\b\f\n\r\t\v", "^%c%c%c%c%c%c%c$"))
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-- assume ASCII just for tests:
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assert("\09912" == 'c12')
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assert("\99ab" == 'cab')
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assert("\099" == '\99')
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assert("\099\n" == 'c\10')
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assert('\0\0\0alo' == '\0' .. '\0\0' .. 'alo')
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assert(010 .. 020 .. -030 == "1020-30")
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-- long variable names
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var = string.rep('a', 15000)
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prog = string.format("%s = 5", var)
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dostring(prog)
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assert(dostring("return " .. var) == 5)
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var = nil
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print('+')
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-- escapes --
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assert("\n\t" == [[
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]])
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assert([[
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$debug]] == "\n $debug")
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assert([[ [ ]] ~= [[ ] ]])
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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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prog = [=[
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print('+')
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a1 = [["isto e' um string com v<>rias 'aspas'"]]
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a2 = "'aspas'"
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assert(string.find(a1, a2) == 31)
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print('+')
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a1 = [==[temp = [[um valor qualquer]]; ]==]
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assert(loadstring(a1))()
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assert(temp == 'um valor qualquer')
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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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print('+')
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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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print('+')
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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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-- testing line ends
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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 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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-- testing comments and strings with long brackets
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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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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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-- generate all strings of four of these chars
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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 == loadstring("return [====[\n"..s.."]====]")())
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end
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--[[
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-- testing decimal point locale
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if os.setlocale("pt_BR") or os.setlocale("ptb") then
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assert(tonumber("3,4") == 3.4 and tonumber"3.4" == nil)
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assert(assert(loadstring("return 3.4"))() == 3.4)
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assert(assert(loadstring("return .4,3"))() == .4)
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assert(assert(loadstring("return 4."))() == 4.)
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assert(assert(loadstring("return 4.+.5"))() == 4.5)
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local a,b = loadstring("return 4.5.")
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assert(string.find(b, "'4%.5%.'"))
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assert(os.setlocale("C"))
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else
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(Message or print)(
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'\a\n >>> pt_BR locale not available: skipping decimal point tests <<<\n\a')
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end
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]]--
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return('OK')
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