"use strict"; const test = require('tape'); const lua = require('../../src/lua.js'); const lauxlib = require('../../src/lauxlib.js'); const lualib = require('../../src/lualib.js'); test("[test-suite] pm: pattern matching", function (t) { let luaCode = ` function f(s, p) local i,e = string.find(s, p) if i then return string.sub(s, i, e) end end a,b = string.find('', '') -- empty patterns are tricky assert(a == 1 and b == 0); a,b = string.find('alo', '') assert(a == 1 and b == 0) a,b = string.find('a\\0o a\\0o a\\0o', 'a', 1) -- first position assert(a == 1 and b == 1) a,b = string.find('a\\0o a\\0o a\\0o', 'a\\0o', 2) -- starts in the midle assert(a == 5 and b == 7) a,b = string.find('a\\0o a\\0o a\\0o', 'a\\0o', 9) -- starts in the midle assert(a == 9 and b == 11) a,b = string.find('a\\0a\\0a\\0a\\0\\0ab', '\\0ab', 2); -- finds at the end assert(a == 9 and b == 11); a,b = string.find('a\\0a\\0a\\0a\\0\\0ab', 'b') -- last position assert(a == 11 and b == 11) assert(string.find('a\\0a\\0a\\0a\\0\\0ab', 'b\\0') == nil) -- check ending assert(string.find('', '\\0') == nil) assert(string.find('alo123alo', '12') == 4) assert(string.find('alo123alo', '^12') == nil) assert(string.match("aaab", ".*b") == "aaab") assert(string.match("aaa", ".*a") == "aaa") assert(string.match("b", ".*b") == "b") assert(string.match("aaab", ".+b") == "aaab") assert(string.match("aaa", ".+a") == "aaa") assert(not string.match("b", ".+b")) assert(string.match("aaab", ".?b") == "ab") assert(string.match("aaa", ".?a") == "aa") assert(string.match("b", ".?b") == "b") assert(f('aloALO', '%l*') == 'alo') assert(f('aLo_ALO', '%a*') == 'aLo') assert(f(" \\n\\r*&\\n\\r xuxu \\n\\n", "%g%g%g+") == "xuxu") assert(f('aaab', 'a*') == 'aaa'); assert(f('aaa', '^.*$') == 'aaa'); assert(f('aaa', 'b*') == ''); assert(f('aaa', 'ab*a') == 'aa') assert(f('aba', 'ab*a') == 'aba') assert(f('aaab', 'a+') == 'aaa') assert(f('aaa', '^.+$') == 'aaa') assert(f('aaa', 'b+') == nil) assert(f('aaa', 'ab+a') == nil) assert(f('aba', 'ab+a') == 'aba') assert(f('a$a', '.$') == 'a') assert(f('a$a', '.%$') == 'a$') assert(f('a$a', '.$.') == 'a$a') assert(f('a$a', '$$') == nil) assert(f('a$b', 'a$') == nil) assert(f('a$a', '$') == '') assert(f('', 'b*') == '') assert(f('aaa', 'bb*') == nil) assert(f('aaab', 'a-') == '') assert(f('aaa', '^.-$') == 'aaa') assert(f('aabaaabaaabaaaba', 'b.*b') == 'baaabaaabaaab') assert(f('aabaaabaaabaaaba', 'b.-b') == 'baaab') assert(f('alo xo', '.o$') == 'xo') assert(f(' \\n isto é assim', '%S%S*') == 'isto') assert(f(' \\n isto é assim', '%S*$') == 'assim') assert(f(' \\n isto é assim', '[a-z]*$') == 'assim') assert(f('um caracter ? extra', '[^%sa-z]') == '?') assert(f('', 'a?') == '') assert(f('á', 'á?') == 'á') assert(f('ábl', 'á?b?l?') == 'ábl') -- assert(f(' ábl', 'á?b?l?') == '') assert(f('aa', '^aa?a?a') == 'aa') -- assert(f(']]]áb', '[^]]') == 'á') assert(f("0alo alo", "%x*") == "0a") assert(f("alo alo", "%C+") == "alo alo") `, L; t.plan(2); t.doesNotThrow(function () { L = lauxlib.luaL_newstate(); lualib.luaL_openlibs(L); lauxlib.luaL_loadstring(L, lua.to_luastring(luaCode)); }, "Lua program loaded without error"); t.doesNotThrow(function () { lua.lua_call(L, 0, -1); }, "Lua program ran without error"); }); test("[test-suite] pm: tonumber", function (t) { let luaCode = ` function f1(s, p) p = string.gsub(p, "%%([0-9])", function (s) return "%" .. (tonumber(s)+1) end) p = string.gsub(p, "^(^?)", "%1()", 1) p = string.gsub(p, "($?)$", "()%1", 1) local t = {string.match(s, p)} return string.sub(s, t[1], t[#t] - 1) end -- assert(f1('alo alx 123 b\\0o b\\0o', '(..*) %1') == "b\\0o b\\0o") -- assert(f1('axz123= 4= 4 34', '(.+)=(.*)=%2 %1') == '3= 4= 4 3') -- assert(f1('=======', '^(=*)=%1$') == '=======') assert(string.match('==========', '^([=]*)=%1$') == nil) `, L; t.plan(2); t.doesNotThrow(function () { L = lauxlib.luaL_newstate(); lualib.luaL_openlibs(L); lauxlib.luaL_loadstring(L, lua.to_luastring(luaCode)); }, "Lua program loaded without error"); t.doesNotThrow(function () { lua.lua_call(L, 0, -1); }, "Lua program ran without error"); }); test("[test-suite] pm: range", function (t) { let luaCode = ` local function range (i, j) if i <= j then return i, range(i+1, j) end end local abc = string.char(range(0, 255)); assert(string.len(abc) == 256) function strset (p) local res = {s=''} string.gsub(abc, p, function (c) res.s = res.s .. c end) return res.s end; assert(string.len(strset('[\\200-\\210]')) == 11) assert(strset('[a-z]') == "abcdefghijklmnopqrstuvwxyz") assert(strset('[a-z%d]') == strset('[%da-uu-z]')) assert(strset('[a-]') == "-a") assert(strset('[^%W]') == strset('[%w]')) assert(strset('[]%%]') == '%]') assert(strset('[a%-z]') == '-az') assert(strset('[%^%[%-a%]%-b]') == '-[]^ab') assert(strset('%Z') == strset('[\\1-\\255]')) assert(strset('.') == strset('[\\1-\\255%z]')) `, L; t.plan(2); t.doesNotThrow(function () { L = lauxlib.luaL_newstate(); lualib.luaL_openlibs(L); lauxlib.luaL_loadstring(L, lua.to_luastring(luaCode)); }, "Lua program loaded without error"); t.doesNotThrow(function () { lua.lua_call(L, 0, -1); }, "Lua program ran without error"); }); // Can't be represented by JS string, testing from actual lua file test("[test-suite] pm: classes", function (t) { let L; t.plan(2); t.doesNotThrow(function () { L = lauxlib.luaL_newstate(); lualib.luaL_openlibs(L); lauxlib.luaL_loadfile(L, lua.to_luastring("tests/test-suite/pm-classes.lua")); }, "Lua program loaded without error"); t.doesNotThrow(function () { lua.lua_call(L, 0, -1); }, "Lua program ran without error"); }); // Can't be represented by JS string, testing from actual lua file test("[test-suite] pm: gsub", function (t) { let L; t.plan(2); t.doesNotThrow(function () { L = lauxlib.luaL_newstate(); lualib.luaL_openlibs(L); lauxlib.luaL_loadfile(L, lua.to_luastring("tests/test-suite/pm-gsub.lua")); }, "Lua program loaded without error"); t.doesNotThrow(function () { lua.lua_call(L, 0, -1); }, "Lua program ran without error"); }); test("[test-suite] pm: empty matches", function (t) { let luaCode = ` do -- new (5.3.3) semantics for empty matches assert(string.gsub("a b cd", " *", "-") == "-a-b-c-d-") local res = "" local sub = "a \\nbc\\t\\td" local i = 1 for p, e in string.gmatch(sub, "()%s*()") do res = res .. string.sub(sub, i, p - 1) .. "-" i = e end assert(res == "-a-b-c-d-") end `, L; t.plan(2); t.doesNotThrow(function () { L = lauxlib.luaL_newstate(); lualib.luaL_openlibs(L); lauxlib.luaL_loadstring(L, lua.to_luastring(luaCode)); }, "Lua program loaded without error"); t.doesNotThrow(function () { lua.lua_call(L, 0, -1); }, "Lua program ran without error"); }); test("[test-suite] pm: gsub", function (t) { let luaCode = ` assert(string.gsub("um (dois) tres (quatro)", "(%(%w+%))", string.upper) == "um (DOIS) tres (QUATRO)") do local function setglobal (n,v) rawset(_G, n, v) end string.gsub("a=roberto,roberto=a", "(%w+)=(%w%w*)", setglobal) assert(_G.a=="roberto" and _G.roberto=="a") end function f(a,b) return string.gsub(a,'.',b) end assert(string.gsub("trocar tudo em |teste|b| é |beleza|al|", "|([^|]*)|([^|]*)|", f) == "trocar tudo em bbbbb é alalalalalal") local function dostring (s) return load(s, "")() or "" end assert(string.gsub("alo $a='x'$ novamente $return a$", "$([^$]*)%$", dostring) == "alo novamente x") x = string.gsub("$x=string.gsub('alo', '.', string.upper)$ assim vai para $return x$", "$([^$]*)%$", dostring) assert(x == ' assim vai para ALO') t = {} s = 'a alo jose joao' r = string.gsub(s, '()(%w+)()', function (a,w,b) assert(string.len(w) == b-a); t[a] = b-a; end) assert(s == r and t[1] == 1 and t[3] == 3 and t[7] == 4 and t[13] == 4) `, L; t.plan(2); t.doesNotThrow(function () { L = lauxlib.luaL_newstate(); lualib.luaL_openlibs(L); lauxlib.luaL_loadstring(L, lua.to_luastring(luaCode)); }, "Lua program loaded without error"); t.doesNotThrow(function () { lua.lua_call(L, 0, -1); }, "Lua program ran without error"); }); test("[test-suite] pm: gsub isbalanced", function (t) { let luaCode = ` function isbalanced (s) return string.find(string.gsub(s, "%b()", ""), "[()]") == nil end assert(isbalanced("(9 ((8))(\\0) 7) \\0\\0 a b ()(c)() a")) assert(not isbalanced("(9 ((8) 7) a b (\\0 c) a")) assert(string.gsub("alo 'oi' alo", "%b''", '"') == 'alo " alo') `, L; t.plan(2); t.doesNotThrow(function () { L = lauxlib.luaL_newstate(); lualib.luaL_openlibs(L); lauxlib.luaL_loadstring(L, lua.to_luastring(luaCode)); }, "Lua program loaded without error"); t.doesNotThrow(function () { lua.lua_call(L, 0, -1); }, "Lua program ran without error"); }); test("[test-suite] pm: capture", function (t) { let luaCode = ` local function checkerror (msg, f, ...) local s, err = pcall(f, ...) assert(not s and string.find(err, msg)) end local t = {"apple", "orange", "lime"; n=0} assert(string.gsub("x and x and x", "x", function () t.n=t.n+1; return t[t.n] end) == "apple and orange and lime") t = {n=0} string.gsub("first second word", "%w%w*", function (w) t.n=t.n+1; t[t.n] = w end) assert(t[1] == "first" and t[2] == "second" and t[3] == "word" and t.n == 3) t = {n=0} assert(string.gsub("first second word", "%w+", function (w) t.n=t.n+1; t[t.n] = w end, 2) == "first second word") assert(t[1] == "first" and t[2] == "second" and t[3] == nil) checkerror("invalid replacement value %(a table%)", string.gsub, "alo", ".", {a = {}}) checkerror("invalid capture index %%2", string.gsub, "alo", ".", "%2") checkerror("invalid capture index %%0", string.gsub, "alo", "(%0)", "a") checkerror("invalid capture index %%1", string.gsub, "alo", "(%1)", "a") checkerror("invalid use of '%%'", string.gsub, "alo", ".", "%x") `, L; t.plan(2); t.doesNotThrow(function () { L = lauxlib.luaL_newstate(); lualib.luaL_openlibs(L); lauxlib.luaL_loadstring(L, lua.to_luastring(luaCode)); }, "Lua program loaded without error"); t.doesNotThrow(function () { lua.lua_call(L, 0, -1); }, "Lua program ran without error"); }); test("[test-suite] pm: bug since 2.5 (C-stack overflow) (TODO: _soft)", function (t) { let luaCode = ` _soft = true if not _soft then -- TODO local function f (size) local s = string.rep("a", size) local p = string.rep(".?", size) return pcall(string.match, s, p) end local r, m = f(80) assert(r and #m == 80) r, m = f(200000) assert(not r and string.find(m, "too complex")) end `, L; t.plan(2); t.doesNotThrow(function () { L = lauxlib.luaL_newstate(); lualib.luaL_openlibs(L); lauxlib.luaL_loadstring(L, lua.to_luastring(luaCode)); }, "Lua program loaded without error"); t.doesNotThrow(function () { lua.lua_call(L, 0, -1); }, "Lua program ran without error"); }); test("[test-suite] pm: big strings (TODO: _soft)", function (t) { let luaCode = ` _soft = true -- TODO if not _soft then print("big strings") local a = string.rep('a', 300000) assert(string.find(a, '^a*.?$')) assert(not string.find(a, '^a*.?b$')) assert(string.find(a, '^a-.?$')) -- bug in 5.1.2 a = string.rep('a', 10000) .. string.rep('b', 10000) assert(not pcall(string.gsub, a, 'b')) end `, L; t.plan(2); t.doesNotThrow(function () { L = lauxlib.luaL_newstate(); lualib.luaL_openlibs(L); lauxlib.luaL_loadstring(L, lua.to_luastring(luaCode)); }, "Lua program loaded without error"); t.doesNotThrow(function () { lua.lua_call(L, 0, -1); }, "Lua program ran without error"); }); test("[test-suite] pm: recursive nest of gsubs", function (t) { let luaCode = ` function rev (s) return string.gsub(s, "(.)(.+)", function (c,s1) return rev(s1)..c end) end local x = "abcdef" assert(rev(rev(x)) == x) `, L; t.plan(2); t.doesNotThrow(function () { L = lauxlib.luaL_newstate(); lualib.luaL_openlibs(L); lauxlib.luaL_loadstring(L, lua.to_luastring(luaCode)); }, "Lua program loaded without error"); t.doesNotThrow(function () { lua.lua_call(L, 0, -1); }, "Lua program ran without error"); }); test("[test-suite] pm: gsub with tables", function (t) { let luaCode = ` assert(string.gsub("alo alo", ".", {}) == "alo alo") assert(string.gsub("alo alo", "(.)", {a="AA", l=""}) == "AAo AAo") assert(string.gsub("alo alo", "(.).", {a="AA", l="K"}) == "AAo AAo") assert(string.gsub("alo alo", "((.)(.?))", {al="AA", o=false}) == "AAo AAo") assert(string.gsub("alo alo", "().", {'x','yy','zzz'}) == "xyyzzz alo") t = {}; setmetatable(t, {__index = function (t,s) return string.upper(s) end}) assert(string.gsub("a alo b hi", "%w%w+", t) == "a ALO b HI") `, L; t.plan(2); t.doesNotThrow(function () { L = lauxlib.luaL_newstate(); lualib.luaL_openlibs(L); lauxlib.luaL_loadstring(L, lua.to_luastring(luaCode)); }, "Lua program loaded without error"); t.doesNotThrow(function () { lua.lua_call(L, 0, -1); }, "Lua program ran without error"); }); test("[test-suite] pm: gmatch", function (t) { let luaCode = ` local a = 0 for i in string.gmatch('abcde', '()') do assert(i == a+1); a=i end assert(a==6) t = {n=0} for w in string.gmatch("first second word", "%w+") do t.n=t.n+1; t[t.n] = w end assert(t[1] == "first" and t[2] == "second" and t[3] == "word") t = {3, 6, 9} for i in string.gmatch ("xuxx uu ppar r", "()(.)%2") do assert(i == table.remove(t, 1)) end assert(#t == 0) t = {} for i,j in string.gmatch("13 14 10 = 11, 15= 16, 22=23", "(%d+)%s*=%s*(%d+)") do t[tonumber(i)] = tonumber(j) end a = 0 for k,v in pairs(t) do assert(k+1 == v+0); a=a+1 end assert(a == 3) `, L; t.plan(2); t.doesNotThrow(function () { L = lauxlib.luaL_newstate(); lualib.luaL_openlibs(L); lauxlib.luaL_loadstring(L, lua.to_luastring(luaCode)); }, "Lua program loaded without error"); t.doesNotThrow(function () { lua.lua_call(L, 0, -1); }, "Lua program ran without error"); }); test("[test-suite] pm: tests for '%f' ('frontiers')", function (t) { let luaCode = ` assert(string.gsub("aaa aa a aaa a", "%f[%w]a", "x") == "xaa xa x xaa x") assert(string.gsub("[[]] [][] [[[[", "%f[[].", "x") == "x[]] x]x] x[[[") assert(string.gsub("01abc45de3", "%f[%d]", ".") == ".01abc.45de.3") assert(string.gsub("01abc45 de3x", "%f[%D]%w", ".") == "01.bc45 de3.") assert(string.gsub("function", "%f[\\1-\\255]%w", ".") == ".unction") assert(string.gsub("function", "%f[^\\1-\\255]", ".") == "function.") assert(string.find("a", "%f[a]") == 1) assert(string.find("a", "%f[^%z]") == 1) assert(string.find("a", "%f[^%l]") == 2) assert(string.find("aba", "%f[a%z]") == 3) assert(string.find("aba", "%f[%z]") == 4) assert(not string.find("aba", "%f[%l%z]")) assert(not string.find("aba", "%f[^%l%z]")) local i, e = string.find(" alo aalo allo", "%f[%S].-%f[%s].-%f[%S]") assert(i == 2 and e == 5) local k = string.match(" alo aalo allo", "%f[%S](.-%f[%s].-%f[%S])") assert(k == 'alo ') local a = {1, 5, 9, 14, 17,} for k in string.gmatch("alo alo th02 is 1hat", "()%f[%w%d]") do assert(table.remove(a, 1) == k) end assert(#a == 0) `, L; t.plan(2); t.doesNotThrow(function () { L = lauxlib.luaL_newstate(); lualib.luaL_openlibs(L); lauxlib.luaL_loadstring(L, lua.to_luastring(luaCode)); }, "Lua program loaded without error"); t.doesNotThrow(function () { lua.lua_call(L, 0, -1); }, "Lua program ran without error"); }); test("[test-suite] pm: malformed patterns", function (t) { let luaCode = ` local function malform (p, m) m = m or "malformed" local r, msg = pcall(string.find, "a", p) assert(not r and string.find(msg, m)) end malform("(.", "unfinished capture") malform(".)", "invalid pattern capture") malform("[a") malform("[]") malform("[^]") malform("[a%]") malform("[a%") malform("%b") malform("%ba") malform("%") malform("%f", "missing") `, L; t.plan(2); t.doesNotThrow(function () { L = lauxlib.luaL_newstate(); lualib.luaL_openlibs(L); lauxlib.luaL_loadstring(L, lua.to_luastring(luaCode)); }, "Lua program loaded without error"); t.doesNotThrow(function () { lua.lua_call(L, 0, -1); }, "Lua program ran without error"); }); test("[test-suite] pm: \\0 in patterns", function (t) { let luaCode = ` assert(string.match("ab\\0\\1\\2c", "[\\0-\\2]+") == "\\0\\1\\2") assert(string.match("ab\\0\\1\\2c", "[\\0-\\0]+") == "\\0") assert(string.find("b$a", "$\\0?") == 2) assert(string.find("abc\\0efg", "%\\0") == 4) assert(string.match("abc\\0efg\\0\\1e\\1g", "%b\\0\\1") == "\\0efg\\0\\1e\\1") assert(string.match("abc\\0\\0\\0", "%\\0+") == "\\0\\0\\0") assert(string.match("abc\\0\\0\\0", "%\\0%\\0?") == "\\0\\0") `, L; t.plan(2); t.doesNotThrow(function () { L = lauxlib.luaL_newstate(); lualib.luaL_openlibs(L); lauxlib.luaL_loadstring(L, lua.to_luastring(luaCode)); }, "Lua program loaded without error"); t.doesNotThrow(function () { lua.lua_call(L, 0, -1); }, "Lua program ran without error"); }); test("[test-suite] pm: magic char after \\0", function (t) { let luaCode = ` assert(string.find("abc\\0\\0","\\0.") == 4) assert(string.find("abcx\\0\\0abc\\0abc","x\\0\\0abc\\0a.") == 4) `, L; t.plan(2); t.doesNotThrow(function () { L = lauxlib.luaL_newstate(); lualib.luaL_openlibs(L); lauxlib.luaL_loadstring(L, lua.to_luastring(luaCode)); }, "Lua program loaded without error"); t.doesNotThrow(function () { lua.lua_call(L, 0, -1); }, "Lua program ran without error"); });