gecko-dev/browser/base/content/test/browser_bug427559.js
2012-05-21 12:12:37 +01:00

41 lines
1.4 KiB
JavaScript

/* 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/. */
/*
* 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();
gBrowser.selectedTab = gBrowser.addTab();
gBrowser.selectedBrowser.addEventListener("load", function () {
gBrowser.selectedBrowser.removeEventListener("load", arguments.callee, true);
setTimeout(function () {
var testPageWin = content;
// 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.
gBrowser.selectedTab = gBrowser.addTab();
gBrowser.removeCurrentTab();
// Make sure focus is given to the window because the element is now gone
is(document.commandDispatcher.focusedWindow, testPageWin,
"content window is focused");
gBrowser.removeCurrentTab();
finish();
}, 0);
}, true);
content.location = testPage;
}