From 86c357cd0c0184b640d0c2233ff53b6f23188d90 Mon Sep 17 00:00:00 2001 From: Benoit Giannangeli Date: Thu, 27 Apr 2017 11:40:01 +0200 Subject: [test-suite] constructs.js --- tests/test-suite/constructs.js | 443 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 443 insertions(+) create mode 100644 tests/test-suite/constructs.js (limited to 'tests') diff --git a/tests/test-suite/constructs.js b/tests/test-suite/constructs.js new file mode 100644 index 0000000..da5d979 --- /dev/null +++ b/tests/test-suite/constructs.js @@ -0,0 +1,443 @@ +"use strict"; + +const test = require('tape'); + +const lauxlib = require("../../src/lauxlib.js"); +const lua = require('../../src/lua.js'); + + +const checkload = ` + local function checkload (s, msg) + assert(string.find(select(2, load(s)), msg)) + end +`; + +test('[test-suite] constructs: testing semicolons', function (t) { + let luaCode = ` + do ;;; end + ; do ; a = 3; assert(a == 3) end; + ; + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lauxlib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(checkload + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test('[test-suite] constructs: invalid operations should not raise errors when not executed', function (t) { + let luaCode = ` + if false then a = 3 // 0; a = 0 % 0 end + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lauxlib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(checkload + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test('[test-suite] constructs: testing priorities', function (t) { + let luaCode = ` + assert(2^3^2 == 2^(3^2)); + assert(2^3*4 == (2^3)*4); + assert(2.0^-2 == 1/4 and -2^- -2 == - - -4); + assert(not nil and 2 and not(2>3 or 3<2)); + assert(-3-1-5 == 0+0-9); + assert(-2^2 == -4 and (-2)^2 == 4 and 2*2-3-1 == 0); + assert(-3%5 == 2 and -3+5 == 2) + assert(2*1+3/3 == 3 and 1+2 .. 3*1 == "33"); + assert(not(2+1 > 3*1) and "a".."b" > "a"); + + assert("7" .. 3 << 1 == 146) + assert(10 >> 1 .. "9" == 0) + assert(10 | 1 .. "9" == 27) + + assert(0xF0 | 0xCC ~ 0xAA & 0xFD == 0xF4) + assert(0xFD & 0xAA ~ 0xCC | 0xF0 == 0xF4) + assert(0xF0 & 0x0F + 1 == 0x10) + + assert(3^4//2^3//5 == 2) + + assert(-3+4*5//2^3^2//9+4%10/3 == (-3)+(((4*5)//(2^(3^2)))//9)+((4%10)/3)) + + assert(not ((true or false) and nil)) + assert( true or false and nil) + + -- old bug + assert((((1 or false) and true) or false) == true) + assert((((nil and true) or false) and true) == false) + + local a,b = 1,nil; + assert(-(1 or 2) == -1 and (1 and 2)+(-1.25 or -4) == 0.75); + x = ((b or a)+1 == 2 and (10 or a)+1 == 11); assert(x); + x = (((2<3) or 1) == true and (2<3 and 4) == 4); assert(x); + + x,y=1,2; + assert((x>y) and x or y == 2); + x,y=2,1; + assert((x>y) and x or y == 2); + + assert(1234567890 == tonumber('1234567890') and 1234567890+1 == 1234567891) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lauxlib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(checkload + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test('[test-suite] constructs: silly loops', function (t) { + let luaCode = ` + repeat until 1; repeat until true; + while false do end; while nil do end; + + do -- test old bug (first name could not be an 'upvalue') + local a; function f(x) x={a=1}; x={x=1}; x={G=1} end + end + + function f (i) + if type(i) ~= 'number' then return i,'jojo'; end; + if i > 0 then return i, f(i-1); end; + end + + x = {f(3), f(5), f(10);}; + assert(x[1] == 3 and x[2] == 5 and x[3] == 10 and x[4] == 9 and x[12] == 1); + assert(x[nil] == nil) + x = {f'alo', f'xixi', nil}; + assert(x[1] == 'alo' and x[2] == 'xixi' and x[3] == nil); + x = {f'alo'..'xixi'}; + assert(x[1] == 'aloxixi') + x = {f{}} + assert(x[2] == 'jojo' and type(x[1]) == 'table') + + + local f = function (i) + if i < 10 then return 'a'; + elseif i < 20 then return 'b'; + elseif i < 30 then return 'c'; + end; + end + + assert(f(3) == 'a' and f(12) == 'b' and f(26) == 'c' and f(100) == nil) + + for i=1,1000 do break; end; + n=100; + i=3; + t = {}; + a=nil + while not a do + a=0; for i=1,n do for i=i,1,-1 do a=a+1; t[i]=1; end; end; + end + assert(a == n*(n+1)/2 and i==3); + assert(t[1] and t[n] and not t[0] and not t[n+1]) + + function f(b) + local x = 1; + repeat + local a; + if b==1 then local b=1; x=10; break + elseif b==2 then x=20; break; + elseif b==3 then x=30; + else local a,b,c,d=math.sin(1); x=x+1; + end + until x>=12; + return x; + end; + + assert(f(1) == 10 and f(2) == 20 and f(3) == 30 and f(4)==12) + + + local f = function (i) + if i < 10 then return 'a' + elseif i < 20 then return 'b' + elseif i < 30 then return 'c' + else return 8 + end + end + + assert(f(3) == 'a' and f(12) == 'b' and f(26) == 'c' and f(100) == 8) + + local a, b = nil, 23 + x = {f(100)*2+3 or a, a or b+2} + assert(x[1] == 19 and x[2] == 25) + x = {f=2+3 or a, a = b+2} + assert(x.f == 5 and x.a == 25) + + a={y=1} + x = {a.y} + assert(x[1] == 1) + + function f(i) + while 1 do + if i>0 then i=i-1; + else return; end; + end; + end; + + function g(i) + while 1 do + if i>0 then i=i-1 + else return end + end + end + + f(10); g(10); + + do + function f () return 1,2,3; end + local a, b, c = f(); + assert(a==1 and b==2 and c==3) + a, b, c = (f()); + assert(a==1 and b==nil and c==nil) + end + + local a,b = 3 and f(); + assert(a==1 and b==nil) + + function g() f(); return; end; + assert(g() == nil) + function g() return nil or f() end + a,b = g() + assert(a==1 and b==nil) + + f = [[ + return function ( a , b , c , d , e ) + local x = a >= b or c or ( d and e ) or nil + return x + end , { a = 1 , b = 2 >= 1 , } or { 1 }; + ]] + f = string.gsub(f, "%s+", "\\n"); -- force a SETLINE between opcodes + f,a = load(f)(); + assert(a.a == 1 and a.b) + + function g (a,b,c,d,e) + if not (a>=b or c or d and e or nil) then return 0; else return 1; end; + end + + function h (a,b,c,d,e) + while (a>=b or c or (d and e) or nil) do return 1; end; + return 0; + end; + + assert(f(2,1) == true and g(2,1) == 1 and h(2,1) == 1) + assert(f(1,2,'a') == 'a' and g(1,2,'a') == 1 and h(1,2,'a') == 1) + assert(f(1,2,'a') + ~= -- force SETLINE before nil + nil, "") + assert(f(1,2,'a') == 'a' and g(1,2,'a') == 1 and h(1,2,'a') == 1) + assert(f(1,2,nil,1,'x') == 'x' and g(1,2,nil,1,'x') == 1 and + h(1,2,nil,1,'x') == 1) + assert(f(1,2,nil,nil,'x') == nil and g(1,2,nil,nil,'x') == 0 and + h(1,2,nil,nil,'x') == 0) + assert(f(1,2,nil,1,nil) == nil and g(1,2,nil,1,nil) == 0 and + h(1,2,nil,1,nil) == 0) + + assert(1 and 2<3 == true and 2<3 and 'a'<'b' == true) + x = 2<3 and not 3; assert(x==false) + x = 2<1 or (2>1 and 'a'); assert(x=='a') + + + do + local a; if nil then a=1; else a=2; end; -- this nil comes as PUSHNIL 2 + assert(a==2) + end + + function F(a) + assert(debug.getinfo(1, "n").name == 'F') + return a,2,3 + end + + a,b = F(1)~=nil; assert(a == true and b == nil); + a,b = F(nil)==nil; assert(a == true and b == nil) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lauxlib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(checkload + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + +if (false) { + test('[test-suite] constructs: huge loops, upvalue', function (t) { + let luaCode = ` + -- sometimes will be 0, sometimes will not... + _ENV.GLOB1 = math.floor(os.time()) % 2 + + -- basic expressions with their respective values + local basiccases = { + {"nil", nil}, + {"false", false}, + {"true", true}, + {"10", 10}, + {"(0==_ENV.GLOB1)", 0 == _ENV.GLOB1}, + } + + print('testing short-circuit optimizations (' .. _ENV.GLOB1 .. ')') + + + -- operators with their respective values + local binops = { + {" and ", function (a,b) if not a then return a else return b end end}, + {" or ", function (a,b) if a then return a else return b end end}, + } + + local cases = {} + + -- creates all combinations of '(cases[i] op cases[n-i])' plus + -- 'not(cases[i] op cases[n-i])' (syntax + value) + local function createcases (n) + local res = {} + for i = 1, n - 1 do + for _, v1 in ipairs(cases[i]) do + for _, v2 in ipairs(cases[n - i]) do + for _, op in ipairs(binops) do + local t = { + "(" .. v1[1] .. op[1] .. v2[1] .. ")", + op[2](v1[2], v2[2]) + } + res[#res + 1] = t + res[#res + 1] = {"not" .. t[1], not t[2]} + end + end + end + end + return res + end + + -- do not do too many combinations for soft tests + local level = _soft and 3 or 4 + + cases[1] = basiccases + for i = 2, level do cases[i] = createcases(i) end + print("+") + + local prog = [[if %s then IX = true end; return %s]] + + local i = 0 + for n = 1, level do + for _, v in pairs(cases[n]) do + local s = v[1] + local p = load(string.format(prog, s, s), "") + IX = false + assert(p() == v[2] and IX == not not v[2]) + i = i + 1 + if i % 60000 == 0 then print('+') end + end + end + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lauxlib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(checkload + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + + }); +} + + +test("[test-suite] constructs: testing some syntax errors (chosen through 'gcov')", function (t) { + let luaCode = ` + _soft = true + + checkload("for x do", "expected") + checkload("x:call", "expected") + + if not _soft then + -- control structure too long + local s = string.rep("a = a + 1\\n", 2^18) + s = "while true do " .. s .. "end" + checkload(s, "too long") + end + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lauxlib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(checkload + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); -- cgit v1.2.3-54-g00ecf