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

branch
TOR_BUG_3246
changeset 4
fc2d59ddac77
equal deleted inserted replaced
-1:000000000000 0:3ced38e130b5
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/. */
4
5 // Bug 587922: tabs don't get removed if they're hidden
6
7 function test() {
8 waitForExplicitFinish();
9
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;
14
15 let numVisBeforeHide, numVisAfterHide;
16 gBrowser.tabContainer.addEventListener("TabSelect", function() {
17 gBrowser.tabContainer.removeEventListener("TabSelect", arguments.callee, false);
18
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});
25
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();
30
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 }

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