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

36 lines
1.3 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/. */
// Bug 587922: tabs don't get removed if they're hidden
function test() {
waitForExplicitFinish();
// Add a tab that will get removed and hidden
let testTab = gBrowser.addTab("about:blank", {skipAnimation: true});
is(gBrowser.visibleTabs.length, 2, "just added a tab, so 2 tabs");
gBrowser.selectedTab = testTab;
let numVisBeforeHide, numVisAfterHide;
gBrowser.tabContainer.addEventListener("TabSelect", function() {
gBrowser.tabContainer.removeEventListener("TabSelect", arguments.callee, false);
// While the next tab is being selected, hide the removing tab
numVisBeforeHide = gBrowser.visibleTabs.length;
gBrowser.hideTab(testTab);
numVisAfterHide = gBrowser.visibleTabs.length;
}, false);
gBrowser.removeTab(testTab, {animate: true});
// Make sure the tab gets removed at the end of the animation by polling
(function checkRemoved() setTimeout(function() {
if (gBrowser.tabs.length != 1)
return checkRemoved();
is(numVisBeforeHide, 1, "animated remove has in 1 tab left");
is(numVisAfterHide, 1, "hiding a removing tab is also has 1 tab");
finish();
}, 50))();
}