gecko-dev/js/xpconnect/tests/browser/browser_dead_object.js

25 строки
813 B
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/. */
// 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);
}