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 memory = require("sdk/deprecated/memory");

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

 exports.testMemory = function(assert) {

   var obj = {};

   memory.track(obj, "testMemory.testObj");

   var objs = memory.getObjects("testMemory.testObj");

   assert.equal(objs[0].weakref.get(), obj);

   obj = null;

   gc().then(function() {

     assert.equal(objs[0].weakref.get(), null);

   });

 };

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