diff -r 000000000000 -r 6474c204b198 browser/components/tabview/test/browser_tabview_bug665502.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/components/tabview/test/browser_tabview_bug665502.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,33 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+function test() {
+  waitForExplicitFinish();
+
+  let onLoad = function (win) {
+    for (let i = 0; i < 2; i++)
+      win.gBrowser.addTab();
+  };
+
+  let onShow = function (win) {
+    registerCleanupFunction(function () win.close());
+
+    let cw = win.TabView.getContentWindow();
+    let groupItem = cw.GroupItems.groupItems[0];
+
+    groupItem.setSize(400, 200, true);
+
+    let tabItem = groupItem.getChild(0);
+    let bounds = tabItem.getBounds();
+
+    is(groupItem.getActiveTab(), tabItem, "the first tab is active");
+    EventUtils.synthesizeMouseAtCenter(tabItem.container, {button: 1}, cw);
+
+    is(groupItem.getChildren().indexOf(tabItem), -1, "tabItem got removed");
+    ok(bounds.equals(groupItem.getChild(0).getBounds()), "tabItem bounds didn't change");
+
+    finish();
+  };
+
+  newWindowWithTabView(onShow, onLoad);
+}