michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:    http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: let tabOne;
michael@0: let tabTwo;
michael@0: 
michael@0: function test() {
michael@0:   waitForExplicitFinish();
michael@0: 
michael@0:   tabOne = gBrowser.addTab("http://mochi.test:8888/");
michael@0:   tabTwo = gBrowser.addTab("http://mochi.test:8888/browser/browser/components/tabview/test/dummy_page.html");
michael@0: 
michael@0:   afterAllTabsLoaded(function () {
michael@0:     // make sure the tab one is selected because undoCloseTab() would remove
michael@0:     // the selected tab if it's a blank tab.
michael@0:     gBrowser.selectedTab = tabOne;
michael@0:     showTabView(onTabViewWindowLoaded);
michael@0:   });
michael@0: }
michael@0: 
michael@0: function onTabViewWindowLoaded() {
michael@0:   let contentWindow = TabView.getContentWindow();
michael@0:   let groupItems = contentWindow.GroupItems.groupItems;
michael@0:   is(groupItems.length, 1, "There is only one group");
michael@0:   is(groupItems[0].getChildren().length, 3, "The group has three tab items");
michael@0: 
michael@0:   gBrowser.removeTab(tabTwo);
michael@0:   ok(TabView.isVisible(), "Tab View is still visible after removing a tab");
michael@0:   is(groupItems[0].getChildren().length, 2, "The group has two tab items");
michael@0: 
michael@0:   restoreTab(function (tabTwo) {
michael@0:     ok(TabView.isVisible(), "Tab View is still visible after restoring a tab");
michael@0:     is(groupItems[0].getChildren().length, 3, "The group still has three tab items");
michael@0: 
michael@0:     // clean up and finish
michael@0:     hideTabView(function () {
michael@0:       gBrowser.removeTab(tabOne);
michael@0:       gBrowser.removeTab(tabTwo);
michael@0:       finish();
michael@0:     });
michael@0:   });
michael@0: }