The Tor Browser: js/src/tests/ecma_5/Global/cross-global-implicit-this.js@129ffea94266 (annotated)

js/src/tests/ecma_5/Global/cross-global-implicit-this.js@129ffea94266 (annotated)

js/src/tests/ecma_5/Global/cross-global-implicit-this.js

Sat, 03 Jan 2015 20:18:00 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Sat, 03 Jan 2015 20:18:00 +0100
branch: TOR_BUG_3246
changeset 7: 129ffea94266
permissions: -rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

 // |reftest| skip-if(!xulRuntime.shell)
 // 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|";
 var actual = "------------------------";
 var expect = "ooaoboabuuaubuabooaoboab";
 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('same-compartment');
 sb.parent = this;
 evalcx('\n' +
        ' this.name="i";\n' +
        ' this.f = parent.f;\n' +
        ' this.g = parent.g;\n' +
        ' this.a = { name:"a", f:parent.f, g:parent.g };\n' +
        ' this.b = { name:"b", f:parent.f, g:parent.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' +
        ' var results = "";\n' +
        ' /* Three of the first four cases pass undefined (promoted inside the callee to the callee\'s global object). */\n' +
        ' /* a.f() is the one exception, which passes the base, a, as the this object. */\n' +
        ' results += (function(){return f();})();\n' +
        ' results += (function(){return (1,f)();})();\n' +
        ' results += (function(){return a.f();})();\n' +
        ' results += (function(){return eval("f()");})();\n' +
        ' /* Same cases as above, but wrapped in a with. The first & last of these cases pass b, */\n' +
        ' /* the object scoped by the with, as the this value. */\n' +
        ' /* a.f() still passes the explicit base, a. (1,f)() is a little tricksier - this passes */\n' +
        ' /* undefined (promoted to the callee global object) since the comma operator calles GetValue */\n' +
        ' /* on the reference (see ES5 11.14.) */\n' +
        ' results += (function(){with(b){ return (function(){ return f();})(); }})();\n' +
        ' results += (function(){with(b){ return (function(){ return (1,f)();})(); }})();\n' +
        ' results += (function(){with(b){ return (function(){ return a.f();})(); }})();\n' +
        ' results += (function(){with(b){ return (function(){ return eval("f()");})(); }})();\n' +
        ' /* Same tests as above, but with a strict callee. */\n' +
        ' /* We expect the same results, except undefined this is not replaced with the global object. */\n' +
        ' results += (function(){return g();})();\n' +
        ' results += (function(){return (1,g)();})();\n' +
        ' results += (function(){return a.g();})();\n' +
        ' results += (function(){return eval("g()");})();\n' +
        ' results += (function(){with(b){ return g(); }})();\n' +
        ' results += (function(){with(b){ return (1,g)(); }})();\n' +
        ' results += (function(){with(b){ return a.g(); }})();\n' +
        ' results += (function(){with(b){ return (function(){ return eval("g()");})(); }})();\n' +
        ' /* Same as the first set, but h is a getter property. */\n' +
        ' results += (function(){return h();})();\n' +
        ' results += (function(){return (1,h)();})();\n' +
        ' results += (function(){return a.h();})();\n' +
        ' results += (function(){return eval("h()");})();\n' +
        ' results += (function(){with(b){ return h(); }})();\n' +
        ' results += (function(){with(b){ return (1,h)(); }})();\n' +
        ' results += (function(){with(b){ return a.h(); }})();\n' +
        ' results += (function(){with(b){ return (function(){ return eval("h()");})(); }})();\n' +
        ' parent.actual = results;\n' +
        '',
        sb);
 reportCompare(expect, actual, "ok");