diff -r 000000000000 -r 6474c204b198 browser/components/tabview/test/browser_tabview_bug712203.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/components/tabview/test/browser_tabview_bug712203.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,67 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+
+function test() {
+  waitForExplicitFinish();
+
+  // create two groups and each group has one tab item
+  let newState = {
+    windows: [{
+      tabs: [{
+        entries: [{ url: "about:mozilla" }],
+        hidden: true,
+        attributes: {},
+        extData: {
+          "tabview-tab":
+            '{"bounds":{"left":21,"top":29,"width":204,"height":153},' +
+            '"userSize":null,"url":"about:mozilla","groupID":1,' +
+            '"imageData":null,"title":null}'
+        }
+      },{
+        entries: [{ url: "about:blank" }],
+        hidden: false,
+        attributes: {},
+        extData: {
+          "tabview-tab":
+            '{"bounds":{"left":315,"top":29,"width":111,"height":84},' +
+            '"userSize":null,"url":"about:blank","groupID":2,' +
+            '"imageData":null,"title":null}'
+        },
+      }],
+      selected:2,
+      _closedTabs: [],
+      extData: {
+        "tabview-groups": '{"nextID":3,"activeGroupId":2}',
+        "tabview-group":
+          '{"1":{"bounds":{"left":15,"top":5,"width":280,"height":232},' +
+          '"userSize":null,"title":"","id":1},' +
+          '"2":{"bounds":{"left":309,"top":5,"width":267,"height":226},' +
+          '"userSize":null,"title":"","id":2}}',
+        "tabview-ui": '{"pageBounds":{"left":0,"top":0,"width":788,"height":548}}'
+      }, sizemode:"normal"
+    }]
+  };
+
+  newWindowWithState(newState, function(win) {
+    registerCleanupFunction(function () win.close());
+
+    let selectedTab = win.gBrowser.selectedTab;
+
+    win.addEventListener("tabviewframeinitialized", function onInit() {
+      win.removeEventListener("tabviewframeinitialized", onInit, false);
+      // ensure the TabView.contentWindow is set.
+      executeSoon(function() {
+        let cw = win.TabView.getContentWindow();
+
+        is(cw.GroupItems.groupItems.length, 2, "There are two groups");
+        is(cw.GroupItems.getActiveGroupItem().id, 1, "The active group item is 1");
+        isnot(selectedTab, win.gBrowser.selectedTab, "The selected tab is different");
+
+        finish();
+      });
+    }, false);
+
+    goToNextGroup(win);
+  });
+}