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

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

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

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

     4 function test() {

     5   waitForExplicitFinish();

     7   newWindowWithTabView(function(win) {

     8     registerCleanupFunction(function() win.close());

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

    11     let groupItemOne = cw.GroupItems.groupItems[0];

    13     let groupItemTwo = createGroupItemWithBlankTabs(win, 100, 100, 40, 2);

    14     ok(groupItemTwo.isStacked(), "groupItem is now stacked");

    16     is(win.gBrowser.tabs.length, 3, "There are three tabs");

    18     // the focus should remain within the group after it's expanded

    19     groupItemTwo.addSubscriber("expanded", function onExpanded() {

    20       groupItemTwo.removeSubscriber("expanded", onExpanded);

    22       ok(groupItemTwo.expanded, "groupItemTwo is expanded");

    23       is(cw.UI.getActiveTab(), groupItemTwo.getChild(0),

    24          "The first tab item in group item two is active in expanded mode");

    26       EventUtils.synthesizeKey("VK_DOWN", {}, cw);

    27       is(cw.UI.getActiveTab(), groupItemTwo.getChild(0),

    28          "The first tab item is still active after pressing down key");

    30       // the focus should goes to other group if the down arrow is pressed

    31       groupItemTwo.addSubscriber("collapsed", function onExpanded() {

    32         groupItemTwo.removeSubscriber("collapsed", onExpanded);

    34         ok(!groupItemTwo.expanded, "groupItemTwo is not expanded");

    35         is(cw.UI.getActiveTab(), groupItemTwo.getChild(0),

    36            "The first tab item is active in group item two in collapsed mode");

    38         EventUtils.synthesizeKey("VK_DOWN", {}, cw);

    39         is(cw.UI.getActiveTab(), groupItemOne.getChild(0),

    40            "The first tab item in group item one is active after pressing down key");

    42         finish();

    43       });

    45       groupItemTwo.collapse();

    46     });

    48     groupItemTwo.expand();

    49   });

    50 }

The Tor Browser / file revision

browser/components/tabview/test/browser_tabview_bug628887.js@129ffea94266

browser/components/tabview/test/browser_tabview_bug628887.js