// |reftest| skip-if(!xulRuntime.shell) -- needs evaluate() // Any copyright is dedicated to the Public Domain. // http://creativecommons.org/licenses/publicdomain/ //----------------------------------------------------------------------------- var BUGNUMBER = 671947; var summary = "Unqualified function invocation uses the global object of the called property as |this|"; print(BUGNUMBER + ": " + summary); /************** * BEGIN TEST * **************/ this.name = "o"; function f() { return this ? this.name : "t"; } function g() { "use strict"; return this ? this.name : "u"; } function h() { return this ? this.name : "v"; } var sb = newGlobal(); sb.parent = this; sb.name = "i"; sb.f = f; sb.g = g; sb.evaluate( '\n' + ' this.a = { name: "a", f: f, g: g };\n' + ' this.b = { name: "b", f: f, g: g };\n' + ' Object.defineProperty(this, "h", { get: (function(){ return parent.h; })});\n' + ' Object.defineProperty(a, "h", { get: (function(){ return parent.h; })});\n' + ' Object.defineProperty(b, "h", { get: (function(){ return parent.h; })});\n' + ''); // Three of the first four cases pass undefined (promoted inside the callee to // the callee's global object). a.f() is the one exception, which passes the // base, a, as the this object. assertEq(sb.evaluate('(function(){return f();})();'), "o"); assertEq(sb.evaluate('(function(){return (1,f)();})();'), "o"); assertEq(sb.evaluate('(function(){return a.f();})();'), "a"); assertEq(sb.evaluate('(function(){return eval("f()");})();'), "o"); // Same cases as above, but wrapped in a with. The first and last of these cases // pass b, the object scoped by the with, as the this value. a.f() still passes // the explicit base, a. (1,f)() is a little tricksier - this passes undefined // (promoted to the callee global object) since the comma operator calls // GetValue on the reference (see ES5 11.14.). assertEq(sb.evaluate('(function(){with(b){ return (function(){ return f();})(); }})();'), "b"); assertEq(sb.evaluate('(function(){with(b){ return (function(){ return (1,f)();})(); }})();'), "o"); assertEq(sb.evaluate('(function(){with(b){ return (function(){ return a.f();})(); }})();'), "a"); assertEq(sb.evaluate('(function(){with(b){ return (function(){ return eval("f()");})(); }})();'), "b"); // Same tests as above, but with a strict callee. We expect the same results, // except undefined this is not replaced with the global object. assertEq(sb.evaluate('(function(){return g();})();'), "u"); assertEq(sb.evaluate('(function(){return (1,g)();})();'), "u"); assertEq(sb.evaluate('(function(){return a.g();})();'), "a"); assertEq(sb.evaluate('(function(){return eval("g()");})();'), "u"); assertEq(sb.evaluate('(function(){with(b){ return g(); }})();'), "b"); assertEq(sb.evaluate('(function(){with(b){ return (1,g)(); }})();'), "u"); assertEq(sb.evaluate('(function(){with(b){ return a.g(); }})();'), "a"); assertEq(sb.evaluate('(function(){with(b){ return (function(){ return eval("g()");})(); }})();'), "b"); /* Same as the first set, but h is a getter property. */ assertEq(sb.evaluate('(function(){return h();})();'), "o"); assertEq(sb.evaluate('(function(){return (1,h)();})();'), "o"); assertEq(sb.evaluate('(function(){return a.h();})();'), "a"); assertEq(sb.evaluate('(function(){return eval("h()");})();'), "o"); assertEq(sb.evaluate('(function(){with(b){ return h(); }})();'), "b"); assertEq(sb.evaluate('(function(){with(b){ return (1,h)(); }})();'), "o"); assertEq(sb.evaluate('(function(){with(b){ return a.h(); }})();'), "a"); assertEq(sb.evaluate('(function(){with(b){ return (function(){ return eval("h()");})(); }})();'), "b"); if (typeof reportCompare === "function"); reportCompare(true, true);