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: 
michael@0:   newWindowWithTabView(function (win) {
michael@0:     registerCleanupFunction(function () win.close());
michael@0: 
michael@0:     let cw = win.TabView.getContentWindow();
michael@0:     let groupItems = cw.GroupItems.groupItems;
michael@0:     let groupItem = groupItems[0];
michael@0: 
michael@0:     is(groupItems.length, 1, "There is one group item on startup");
michael@0: 
michael@0:     whenTabViewIsHidden(function () {
michael@0:       is(groupItems.length, 1, "There is still one group item");
michael@0:       isnot(groupItem.id, groupItems[0].id, 
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: 
michael@0:       finish();
michael@0:     }, win);
michael@0: 
michael@0:     hideGroupItem(groupItem, function () {
michael@0:       // create a new tab
michael@0:       EventUtils.synthesizeKey("t", { accelKey: true }, cw);
michael@0:     });
michael@0:   });
michael@0: }