The Tor Browser / file revision

 /* 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 { Cc, Ci, Cu, components } = require('chrome');

 const { gc } = require('sdk/test/memory');

 exports.testGC = function(assert, done) {

   let weakref;

   let (tempObj = {}) {

     weakref = Cu.getWeakReference(tempObj);

     assert.equal(weakref.get(), tempObj, 'the weakref returned the tempObj');

   }

   gc().then(function(arg) {

     assert.equal(arg, undefined, 'there is no argument');

     assert.pass('gc() returns a promise which eventually resolves');

     assert.equal(weakref.get(), undefined, 'the weakref returned undefined');

   }).then(done).then(null, assert.fail);

 };

 require('sdk/test').run(exports);