Nightingale: /home/martin/dev/nightingale-hacking/dependencies/vendor/mozbrowser/base/content/test/browser

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 /* ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  *
  * The contents of this file are subject to the Mozilla Public License Version
  * 1.1 (the "License"); you may not use this file except in compliance with
  * the License. You may obtain a copy of the License at
  * http://www.mozilla.org/MPL/
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  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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  * License.
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  * The Original Code is Firefox Browser Test Code.
  *
  * The Initial Developer of the Original Code is
  * Edward Lee <edward.lee@engineering.uiuc.edu>.
  * Portions created by the Initial Developer are Copyright (C) 2008
  * the Initial Developer. All Rights Reserved.
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  *
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 /*
  * Test bug 427559 to make sure focused elements that are no longer on the page
  * will have focus transferred to the window when changing tabs back to that
  * tab with the now-gone element.
  */
 
 // Default focus on a button and have it kill itself on blur
 let testPage = 'data:text/html,<body><button onblur="this.parentNode.removeChild(this);"><script>document.body.firstChild.focus();</script></body>';
 
 function test() {
   waitForExplicitFinish();
 
   // Prepare the test tab
   let testTab = gBrowser.addTab();
   gBrowser.selectedTab = testTab;
   let testBrowser = gBrowser.getBrowserForTab(testTab);
 
   // Do stuff just after the page loads, so the page script can do its stuff
   testBrowser.addEventListener("load", function() setTimeout(function() {
     // The test page loaded, so open an empty tab, select it, then restore
     // the test tab. This causes the test page's focused element to be removed
     // from its document.
     let emptyTab = gBrowser.addTab();
     gBrowser.selectedTab = emptyTab;
     gBrowser.removeCurrentTab();
     gBrowser.selectedTab = testTab;
 
     // Make sure focus is given to the window because the element is now gone
     is(document.commandDispatcher.focusedWindow, window.content,
        "content window is focused");
     gBrowser.removeCurrentTab();
     finish();
   }, 0), true);
 
   // Start the test by loading the test page
   testBrowser.contentWindow.location = testPage;
 }