michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:    http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: function test() {
michael@0:   let numChildren = 7;
michael@0: 
michael@0:   let assertTopOfStack = function (tabItem) {
michael@0:     ok(!tabItem.getHidden(), "tabItem is visible");
michael@0:     is(tabItem.zIndex, tabItem.parent.getZ() + numChildren + 1, "zIndex");
michael@0:   }
michael@0: 
michael@0:   let testTopOfStack = function (tabItem, callback) {
michael@0:     hideTabView(function () {
michael@0:       gBrowser.selectedTab = tabItem.tab;
michael@0: 
michael@0:       showTabView(function () {
michael@0:         assertTopOfStack(tabItem);
michael@0:         callback();
michael@0:       });
michael@0:     });
michael@0:   }
michael@0: 
michael@0:   let finishTest = function () {
michael@0:     registerCleanupFunction(function () {
michael@0:       is(1, gBrowser.tabs.length, "there is one tab, only");
michael@0:       ok(!TabView.isVisible(), "tabview is not visible");
michael@0:     });
michael@0: 
michael@0:     finish();
michael@0:   }
michael@0: 
michael@0:   waitForExplicitFinish();
michael@0: 
michael@0:   showTabView(function () {
michael@0:     let groupItem = createGroupItemWithBlankTabs(window, 150, 150, 10, numChildren);
michael@0: 
michael@0:     registerCleanupFunction(function () {
michael@0:       closeGroupItem(groupItem, function () TabView.hide());
michael@0:     });
michael@0: 
michael@0:     testTopOfStack(groupItem.getChild(1), function () {
michael@0:       testTopOfStack(groupItem.getChild(6), function () {
michael@0:         closeGroupItem(groupItem, function () {
michael@0:           hideTabView(finishTest);
michael@0:         });
michael@0:       });
michael@0:     });
michael@0:   });
michael@0: }