diff -r 000000000000 -r 6474c204b198 browser/components/tabview/test/browser_tabview_bug588265.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/components/tabview/test/browser_tabview_bug588265.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,76 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+let contentWindow;
+let groupItemTwoId;
+
+function test() {
+  waitForExplicitFinish();
+  
+  registerCleanupFunction(function() {
+    while (gBrowser.tabs[1])
+      gBrowser.removeTab(gBrowser.tabs[1]);
+    hideTabView();
+  });
+  gBrowser.loadOneTab("about:blank", { inBackground: true });
+  showTabView(setup);
+}
+
+function setup() {
+  registerCleanupFunction(function() {
+    let groupItem = contentWindow.GroupItems.groupItem(groupItemTwoId);
+    if (groupItem)
+      closeGroupItem(groupItem);
+  });
+
+  let contentWindow = TabView.getContentWindow();
+  is(contentWindow.GroupItems.groupItems.length, 1, "Has only one group");
+
+  let groupItemOne = contentWindow.GroupItems.groupItems[0];
+  is(groupItemOne.getChildren().length, 2, "Group one has 2 tab items");
+
+  let groupItemTwo = createGroupItemWithBlankTabs(window, 250, 250, 40, 1);
+  groupItemTwoId = groupItemTwo.id;
+  testGroups(groupItemOne, groupItemTwo, contentWindow);
+}
+
+function testGroups(groupItemOne, groupItemTwo, contentWindow) {
+  // check active tab and group
+  is(contentWindow.GroupItems.getActiveGroupItem(), groupItemTwo, 
+     "The group two is the active group");
+  is(contentWindow.UI.getActiveTab(), groupItemTwo.getChild(0), 
+     "The first tab item in group two is active");
+  
+  let tabItem = groupItemOne.getChild(1);
+  tabItem.addSubscriber("tabRemoved", function onTabRemoved() {
+    tabItem.removeSubscriber("tabRemoved", onTabRemoved);
+
+    is(groupItemOne.getChildren().length, 1,
+      "The num of childen in group one is 1");
+
+    // check active group and active tab
+    is(contentWindow.GroupItems.getActiveGroupItem(), groupItemOne, 
+       "The group one is the active group");
+    is(contentWindow.UI.getActiveTab(), groupItemOne.getChild(0), 
+       "The first tab item in group one is active");
+
+    whenTabViewIsHidden(function() {
+      is(groupItemOne.getChildren().length, 2, 
+         "The num of childen in group one is 2");
+
+      // clean up and finish
+      closeGroupItem(groupItemTwo, function() {
+        gBrowser.removeTab(groupItemOne.getChild(1).tab);
+        is(contentWindow.GroupItems.groupItems.length, 1, "Has only one group");
+        is(groupItemOne.getChildren().length, 1, 
+           "The num of childen in group one is 1");
+        is(gBrowser.tabs.length, 1, "Has only one tab");
+
+        finish();
+      });
+    });
+    EventUtils.synthesizeKey("t", { accelKey: true });
+  });
+  // close a tab item in group one
+   EventUtils.synthesizeMouseAtCenter(tabItem.$close[0], {}, contentWindow);
+}