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:     let cw = win.TabView.getContentWindow();
michael@0:     let groupItem = cw.GroupItems.groupItems[0];
michael@0: 
michael@0:     // set the group to 180 x 100 so it shows two tab items without going into
michael@0:     // the stacked mode
michael@0:     groupItem.setBounds(new cw.Rect(100, 0, 180, 100));
michael@0: 
michael@0:     hideTabView(function() {
michael@0:       groupItem.addSubscriber("childAdded", function onChildAdded(data) {
michael@0:         groupItem.removeSubscriber("childAdded", onChildAdded);
michael@0: 
michael@0:         is(groupItem.getChildren().length, 3, "The number of children in group is 3");
michael@0:         ok(groupItem.isStacked(), "The group item is stacked after adding a new tab");
michael@0: 
michael@0:         let tabItem = groupItem.getChild(2);
michael@0:         groupItem.addSubscriber("childRemoved", function onChildRemoved() {
michael@0:           tabItem.removeSubscriber("childRemoved", onChildRemoved);
michael@0: 
michael@0:           is(groupItem.getChildren().length, 2, "The number of children in group is 2");
michael@0:           // give a delay for the active item to be set
michael@0:           executeSoon(function() {
michael@0:             showTabView(function() {
michael@0:               ok(!groupItem.isStacked(), "The group item is not stacked after removing a tab");
michael@0:               finish();
michael@0:             }, win);
michael@0:           });
michael@0:         });
michael@0:         win.BrowserCloseTabOrWindow();
michael@0:       });
michael@0:       win.gBrowser.loadOneTab("", {inBackground: true});
michael@0:     }, win);
michael@0:   }, function(win) {
michael@0:     registerCleanupFunction(function () {
michael@0:       win.close();
michael@0:     });
michael@0: 
michael@0:     win.gBrowser.addTab();
michael@0:   });
michael@0: }