diff -r 000000000000 -r 6474c204b198 browser/components/tabview/test/browser_tabview_bug608184.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/components/tabview/test/browser_tabview_bug608184.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,36 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+function test() {
+  waitForExplicitFinish();
+
+  let origTab = gBrowser.visibleTabs[0];
+  let newTab = gBrowser.addTab();
+  gBrowser.selectedTab = newTab;
+  let relatedTab = gBrowser.addTab("about:blank", { ownerTab: newTab });
+
+  // init the frame, move the owner tab to a new group and close the related
+  // tab.
+  TabView._initFrame(function() {
+    let newTabGroupItemId = newTab._tabViewTabItem.parent.id;
+
+    is(relatedTab.owner, newTab, "The related tab's owner is the right tab");
+
+    // move current tab to a new group
+    TabView.moveTabTo(newTab, null);
+
+    // close the related tab
+    gBrowser.removeTab(relatedTab);
+
+    is(gBrowser.visibleTabs.length, 1, "The number of visible tabs is 1");
+    is(gBrowser.visibleTabs[0], origTab, 
+      "The original tab is the only visible tab");
+    isnot(newTab._tabViewTabItem.parent.id, newTabGroupItemId, 
+      "The moved tab item has a new group id");
+
+    // clean up
+    gBrowser.removeTab(newTab);
+
+    finish();
+  });
+}