The Tor Browser: addon-sdk/source/test/test-reference.js@ac0c01689b40 (annotated)

addon-sdk/source/test/test-reference.js@ac0c01689b40 (annotated)

addon-sdk/source/test/test-reference.js

Thu, 15 Jan 2015 15:59:08 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 15 Jan 2015 15:59:08 +0100
branch: TOR_BUG_9701
changeset 10: ac0c01689b40
permissions: -rw-r--r--

Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 "use strict";
 const { isWeak, WeakReference } = require("sdk/core/reference");
 const { Class } = require("sdk/core/heritage");
 exports["test non WeakReferences"] = assert => {
   assert.equal(isWeak({}), false,
                "regular objects aren't weak");
   assert.equal(isWeak([]), false,
                "arrays aren't weak");
 };
 exports["test a WeakReference"] = assert => {
   assert.equal(isWeak(new WeakReference()), true,
                "instances of WeakReferences are weak");
 };
 exports["test a subclass"] = assert => {
   const SubType = Class({
     extends: WeakReference,
     foo: function() {
     }
   });
   const x = new SubType();
   assert.equal(isWeak(x), true,
                "subtypes of WeakReferences are weak");
   const SubSubType = Class({
     extends: SubType
   });
   const y = new SubSubType();
   assert.equal(isWeak(y), true,
                "sub subtypes of WeakReferences are weak");
 };
 exports["test a mixin"] = assert => {
   const Mixer = Class({
     implements: [WeakReference]
   });
   assert.equal(isWeak(new Mixer()), true,
                "instances with mixed WeakReference are weak");
   const Mux = Class({});
   const MixMux = Class({
     extends: Mux,
     implements: [WeakReference]
   });
   assert.equal(isWeak(new MixMux()), true,
                "instances with mixed WeakReference that " +
                "inheret from other are weak");
   const Base = Class({});
   const ReMix = Class({
     extends: Base,
     implements: [MixMux]
   });
   assert.equal(isWeak(new ReMix()), true,
                "subtime of mix is still weak");
 };
 exports["test an override"] = assert => {
   const SubType = Class({ extends: WeakReference });
   isWeak.define(SubType, x => false);
   assert.equal(isWeak(new SubType()), false,
                "behavior of isWeak can still be overrided on subtype");
   const Mixer = Class({ implements: [WeakReference] });
   const SubMixer = Class({ extends: Mixer });
   isWeak.define(SubMixer, x => false);
   assert.equal(isWeak(new SubMixer()), false,
                "behavior of isWeak can still be overrided on mixed type");
 };
 exports["test an opt-in"] = assert => {
   var BaseType = Class({});
   var SubType = Class({ extends: BaseType });
   isWeak.define(SubType, x => true);
   assert.equal(isWeak(new SubType()), true,
                "isWeak can be just implemented");
   var x = {};
   isWeak.implement(x, x => true);
   assert.equal(isWeak(x), true,
                "isWeak can be implemented per instance");
 };
 require("sdk/test").run(exports);