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

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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 // Bug 587922: tabs don't get removed if they're hidden

     7 function test() {

     8   waitForExplicitFinish();

    10   // Add a tab that will get removed and hidden

    11   let testTab = gBrowser.addTab("about:blank", {skipAnimation: true});

    12   is(gBrowser.visibleTabs.length, 2, "just added a tab, so 2 tabs");

    13   gBrowser.selectedTab = testTab;

    15   let numVisBeforeHide, numVisAfterHide;

    16   gBrowser.tabContainer.addEventListener("TabSelect", function() {

    17     gBrowser.tabContainer.removeEventListener("TabSelect", arguments.callee, false);

    19     // While the next tab is being selected, hide the removing tab

    20     numVisBeforeHide = gBrowser.visibleTabs.length;

    21     gBrowser.hideTab(testTab);

    22     numVisAfterHide = gBrowser.visibleTabs.length;

    23   }, false);

    24   gBrowser.removeTab(testTab, {animate: true});

    26   // Make sure the tab gets removed at the end of the animation by polling

    27   (function checkRemoved() setTimeout(function() {

    28     if (gBrowser.tabs.length != 1)

    29       return checkRemoved();

    31     is(numVisBeforeHide, 1, "animated remove has in 1 tab left");

    32     is(numVisAfterHide, 1, "hiding a removing tab is also has 1 tab");

    33     finish();

    34   }, 50))();

    35 }

The Tor Browser / file revision