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:   let origTab = gBrowser.visibleTabs[0];
michael@0:   let newTab = gBrowser.addTab();
michael@0:   gBrowser.selectedTab = newTab;
michael@0:   let relatedTab = gBrowser.addTab("about:blank", { ownerTab: newTab });
michael@0: 
michael@0:   // init the frame, move the owner tab to a new group and close the related
michael@0:   // tab.
michael@0:   TabView._initFrame(function() {
michael@0:     let newTabGroupItemId = newTab._tabViewTabItem.parent.id;
michael@0: 
michael@0:     is(relatedTab.owner, newTab, "The related tab's owner is the right tab");
michael@0: 
michael@0:     // move current tab to a new group
michael@0:     TabView.moveTabTo(newTab, null);
michael@0: 
michael@0:     // close the related tab
michael@0:     gBrowser.removeTab(relatedTab);
michael@0: 
michael@0:     is(gBrowser.visibleTabs.length, 1, "The number of visible tabs is 1");
michael@0:     is(gBrowser.visibleTabs[0], origTab, 
michael@0:       "The original tab is the only visible tab");
michael@0:     isnot(newTab._tabViewTabItem.parent.id, newTabGroupItemId, 
michael@0:       "The moved tab item has a new group id");
michael@0: 
michael@0:     // clean up
michael@0:     gBrowser.removeTab(newTab);
michael@0: 
michael@0:     finish();
michael@0:   });
michael@0: }