diff -r 000000000000 -r 6474c204b198 browser/components/tabview/test/browser_tabview_bug635696.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/components/tabview/test/browser_tabview_bug635696.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,77 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+function test() {
+  let cw;
+
+  let createGroupItem = function () {
+    let groupItem = createGroupItemWithBlankTabs(window, 200, 200, 10, 1);
+
+    let groupItemId = groupItem.id;
+    registerCleanupFunction(function() {
+      let groupItem = cw.GroupItems.groupItem(groupItemId);
+      if (groupItem)
+        groupItem.close();
+    });
+
+    return groupItem;
+  }
+
+  let testSingleGroupItem = function () {
+    let groupItem = cw.GroupItems.groupItems[0];
+    is(cw.GroupItems.getActiveGroupItem(), groupItem, "groupItem is active");
+
+    let tabItem = groupItem.getChild(0);
+    is(cw.UI.getActiveTab(), tabItem, "tabItem is active");
+
+    hideGroupItem(groupItem, function () {
+      unhideGroupItem(groupItem, function () {
+        is(cw.GroupItems.getActiveGroupItem(), groupItem, "groupItem is still active");
+        is(cw.UI.getActiveTab(), tabItem, "tabItem is still active");
+        next();
+      });
+    });
+  }
+
+  let testTwoGroupItems = function () {
+    let groupItem = cw.GroupItems.groupItems[0];
+    let tabItem = groupItem.getChild(0);
+
+    let groupItem2 = createGroupItem();
+    let tabItem2 = groupItem2.getChild(0);
+
+    hideGroupItem(groupItem, function () {
+      is(cw.UI.getActiveTab(), tabItem2, "tabItem2 is active");
+      unhideGroupItem(groupItem, function () {
+        cw.UI.setActive(tabItem);
+        closeGroupItem(groupItem2, next);
+      });
+    });
+  }
+
+  let tests = [testSingleGroupItem, testTwoGroupItems];
+
+  let next = function () {
+    let test = tests.shift();
+    if (test)
+      test();
+    else
+      hideTabView(finishTest);
+  }
+
+  let finishTest = function () {
+    is(cw.GroupItems.groupItems.length, 1, "there is one groupItem");
+    is(gBrowser.tabs.length, 1, "there is one tab");
+    ok(!TabView.isVisible(), "tabview is hidden");
+
+    finish();
+  }
+
+  waitForExplicitFinish();
+
+  showTabView(function () {
+    registerCleanupFunction(function () TabView.hide());
+    cw = TabView.getContentWindow();
+    next();
+  });
+}