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-rw-r--r--test/test-suite/constructs.test.js367
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+"use strict";
+
+const lua = require('../../src/lua.js');
+const lauxlib = require('../../src/lauxlib.js');
+const lualib = require('../../src/lualib.js');
+const {to_luastring} = require("../../src/fengaricore.js");
+
+const checkload = `
+ local function checkload (s, msg)
+ assert(string.find(select(2, load(s)), msg))
+ end
+`;
+
+test('[test-suite] constructs: testing semicolons', () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ let luaCode = `
+ do ;;; end
+ ; do ; a = 3; assert(a == 3) end;
+ ;
+ `;
+ lualib.luaL_openlibs(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(checkload + luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test('[test-suite] constructs: invalid operations should not raise errors when not executed', () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ let luaCode = `
+ if false then a = 3 // 0; a = 0 % 0 end
+ `;
+ lualib.luaL_openlibs(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(checkload + luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test('[test-suite] constructs: testing priorities', () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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)
+ `;
+ lualib.luaL_openlibs(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(checkload + luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test('[test-suite] constructs: silly loops', () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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)
+ `;
+ lualib.luaL_openlibs(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(checkload + luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+test.skip('[test-suite] constructs: huge loops, upvalue', () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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
+
+ 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
+ `;
+ lualib.luaL_openlibs(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(checkload + luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
+
+
+test("[test-suite] constructs: testing some syntax errors (chosen through 'gcov')", () => {
+ let L = lauxlib.luaL_newstate();
+ if (!L) throw Error("failed to create lua state");
+
+ 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
+ `;
+ lualib.luaL_openlibs(L);
+ if (lauxlib.luaL_loadstring(L, to_luastring(checkload + luaCode)) === lua.LUA_ERRSYNTAX)
+ throw new SyntaxError(lua.lua_tojsstring(L, -1));
+ lua.lua_call(L, 0, 0);
+});
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