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/. */

 // For bug 773980, test that Components.utils.isDeadWrapper works as expected.

 function test() {

   waitForExplicitFinish();

   let tab = gBrowser.addTab("http://example.com");

   let tabBrowser = tab.linkedBrowser;

   tabBrowser.addEventListener("load", function loadListener(aEvent) {

     tabBrowser.removeEventListener("load", loadListener, true);

     let contentWindow = tab.linkedBrowser.contentWindow;

     gBrowser.removeTab(tab);

     SimpleTest.executeSoon(function() {

       ok(Components.utils.isDeadWrapper(contentWindow),

          'Window should be dead.');

       finish();

     });

   }, true);

 }