The Tor Browser: browser/base/content/test/general/browser

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this

     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 /*

     6  * Test bug 427559 to make sure focused elements that are no longer on the page

     7  * will have focus transferred to the window when changing tabs back to that

     8  * tab with the now-gone element.

     9  */

    11 // Default focus on a button and have it kill itself on blur

    12 let testPage = 'data:text/html,<body><button onblur="this.parentNode.removeChild(this);"><script>document.body.firstChild.focus();</script></body>';

    14 function test() {

    15   waitForExplicitFinish();

    17   gBrowser.selectedTab = gBrowser.addTab();

    19   gBrowser.selectedBrowser.addEventListener("load", function () {

    20     gBrowser.selectedBrowser.removeEventListener("load", arguments.callee, true);

    21     setTimeout(function () {

    22       var testPageWin = content;

    24       // The test page loaded, so open an empty tab, select it, then restore

    25       // the test tab. This causes the test page's focused element to be removed

    26       // from its document.

    27       gBrowser.selectedTab = gBrowser.addTab();

    28       gBrowser.removeCurrentTab();

    30       // Make sure focus is given to the window because the element is now gone

    31       is(document.commandDispatcher.focusedWindow, testPageWin,

    32          "content window is focused");

    34       gBrowser.removeCurrentTab();

    35       finish();

    36     }, 0);

    37   }, true);

    39   content.location = testPage;

    40 }

The Tor Browser / file revision

browser/base/content/test/general/browser_bug427559.js@b8a032363ba2

browser/base/content/test/general/browser_bug427559.js