The Tor Browser: browser/components/tabview/test/browser_tabview

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* Any copyright is dedicated to the Public Domain.

     2    http://creativecommons.org/publicdomain/zero/1.0/ */

     4 function test() {

     5   waitForExplicitFinish();

     6   newWindowWithTabView(onTabViewWindowLoaded);

7 }

     9 function onTabViewWindowLoaded(win) {

    10   let contentWindow = win.TabView.getContentWindow();

    12   is(contentWindow.GroupItems.groupItems.length, 1,

    13      "There is one group item on startup");

    14   is(win.gBrowser.tabs.length, 1, "There is one tab on startup");

    15   let groupItem = contentWindow.GroupItems.groupItems[0];

    17   hideGroupItem(groupItem, function () {

    18     hideTabView(() => {

    19       is(contentWindow.GroupItems.groupItems.length, 1,

    20          "There is still one group item");

    21       isnot(groupItem, contentWindow.GroupItems.groupItems[0],

    22             "The initial group item is not the same as the final group item");

    23       is(win.gBrowser.tabs.length, 1, "There is only one tab");

    24       ok(!win.TabView.isVisible(), "Tab View is hidden");

    25       promiseWindowClosed(win).then(finish);

    26     }, win);

    27   });

    28 }

The Tor Browser / file revision