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(win => {
michael@0:     win.gBrowser.addTab("http://example.com/");
michael@0:     win.gBrowser.addTab("http://example.com/");
michael@0: 
michael@0:     afterAllTabsLoaded(function() {
michael@0:       let cw = win.TabView.getContentWindow();
michael@0: 
michael@0:       let groupItemOne = cw.GroupItems.groupItems[0];
michael@0:       is(groupItemOne.getChildren().length, 3, "The number of tabs in group one is 3");
michael@0: 
michael@0:       // create a group with a blank tab
michael@0:       let groupItemTwo = createGroupItemWithBlankTabs(win, 400, 400, 40, 1);
michael@0:       is(groupItemTwo.getChildren().length, 1, "The number of tabs in group two is 1");
michael@0: 
michael@0:       cw.UI.setActive(groupItemOne);
michael@0: 
michael@0:       moveTabToAnotherGroup(win, groupItemOne.getChild(2).tab, groupItemOne, groupItemTwo, function() {
michael@0:         moveTabToAnotherGroup(win, groupItemOne.getChild(1).tab, groupItemOne, groupItemTwo, function() {
michael@0:           groupItemOne.close();
michael@0:           promiseWindowClosed(win).then(finish);
michael@0:         });
michael@0:       });
michael@0:     });
michael@0:   });
michael@0: }
michael@0: 
michael@0: function moveTabToAnotherGroup(win, targetTab, groupItemOne, groupItemTwo, callback) {
michael@0:   hideTabView(function() {
michael@0:     let tabCountInGroupItemOne = groupItemOne.getChildren().length;
michael@0:     let tabCountInGroupItemTwo = groupItemTwo.getChildren().length;
michael@0: 
michael@0:     win.TabView.moveTabTo(targetTab, groupItemTwo.id);
michael@0: 
michael@0:     showTabView(function() {
michael@0:       is(groupItemOne.getChildren().length, --tabCountInGroupItemOne, "The number of tab items in group one is decreased");
michael@0:       is(groupItemTwo.getChildren().length, ++tabCountInGroupItemTwo, "The number of tab items in group two is increased");
michael@0:       is(groupItemTwo.getChild(tabCountInGroupItemTwo-1).tab, targetTab, "The last tab is the moved tab");
michael@0: 
michael@0:       callback();
michael@0:     }, win);
michael@0:   }, win);
michael@0: }