diff -r 000000000000 -r 6474c204b198 browser/components/tabview/test/browser_tabview_bug593283.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/components/tabview/test/browser_tabview_bug593283.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,75 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+const DUMMY_PAGE_URL = "http://example.com/";
+
+let state = {
+  windows: [{
+    tabs: [{
+      entries: [{ url: DUMMY_PAGE_URL }],
+      hidden: false, 
+      attributes: {},
+      extData: {
+        "tabview-tab": '{"url":"' + DUMMY_PAGE_URL + '","groupID":1,"title":null,"active":true}'
+      }
+    },{
+      entries: [{ url: DUMMY_PAGE_URL }],
+      hidden: false,
+      attributes: {},
+      extData: {
+        "tabview-tab": '{"url":"' + DUMMY_PAGE_URL + '","groupID":1,"title":null}'
+      }
+    },{
+      entries: [{ url: DUMMY_PAGE_URL }],
+      hidden: true,
+      attributes: {},
+      extData: {
+        "tabview-tab": '{"url":"' + DUMMY_PAGE_URL + '","groupID":2,"title":null}'
+      },
+    },{
+      entries: [{ url: DUMMY_PAGE_URL }],
+      hidden: true,
+      attributes: {},
+      extData: {
+        "tabview-tab": '{"url":"' + DUMMY_PAGE_URL + '","groupID":2,"title":null,"active":true}'
+      },
+    }],
+    selected:1,
+    _closedTabs: [],
+    extData: {
+      "tabview-groups": '{"nextID":3,"activeGroupId":2,"totalNumber":2}',
+      "tabview-group": 
+        '{"1":{"bounds":{"left":15,"top":28,"width":546,"height":218},' + 
+        '"userSize":{"x":546,"y":218},"title":"","id":1},' +
+        '"2":{"bounds":{"left":15,"top":261,"width":546,"height":199},' + 
+        '"userSize":{"x":546,"y":199},"title":"","id":2}}',
+      "tabview-ui": '{"pageBounds":{"left":0,"top":0,"width":976,"height":663}}'
+    }, sizemode:"normal"
+  }]
+};
+
+function test() {
+  waitForExplicitFinish();
+
+  newWindowWithState(state, function (win) {
+    registerCleanupFunction(function () win.close());
+
+    showTabView(function() {
+      let cw = win.TabView.getContentWindow();
+      let groupItems = cw.GroupItems.groupItems;
+      let groupOne = groupItems[0];
+      let groupTwo = groupItems[1];
+
+      // check the active tab of each group
+      is(groupOne.getActiveTab(), groupOne.getChild(0), "The active tab item of group one is the first one");
+      is(groupTwo.getActiveTab(), groupTwo.getChild(1), "The active tab item of group two is the second one");
+
+      is(cw.UI.getActiveTab(), groupOne.getChild(0), "The hightlighted tab item is the first one in group one");
+      // select a group and the second tab should be hightlighted
+      cw.UI.setActive(groupTwo);
+      is(cw.UI.getActiveTab(), groupTwo.getChild(1), "The hightlighted tab item is the second one in group two");
+
+      finish();
+    }, win);
+  });
+}