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:   waitForExplicitFinish();
michael@0:   newWindowWithTabView(onTabViewWindowLoaded);
michael@0: }
michael@0: 
michael@0: function onTabViewWindowLoaded(win) {
michael@0:   let contentWindow = win.TabView.getContentWindow();
michael@0: 
michael@0:   is(contentWindow.GroupItems.groupItems.length, 1, 
michael@0:      "There is one group item on startup");
michael@0:   is(win.gBrowser.tabs.length, 1, "There is one tab on startup");
michael@0:   let groupItem = contentWindow.GroupItems.groupItems[0];
michael@0: 
michael@0:   hideGroupItem(groupItem, function () {
michael@0:     hideTabView(() => {
michael@0:       is(contentWindow.GroupItems.groupItems.length, 1, 
michael@0:          "There is still one group item");
michael@0:       isnot(groupItem, contentWindow.GroupItems.groupItems[0], 
michael@0:             "The initial group item is not the same as the final group item");
michael@0:       is(win.gBrowser.tabs.length, 1, "There is only one tab");
michael@0:       ok(!win.TabView.isVisible(), "Tab View is hidden");
michael@0:       promiseWindowClosed(win).then(finish);
michael@0:     }, win);
michael@0:   });
michael@0: }