diff -r 000000000000 -r 6474c204b198 browser/base/content/test/newtab/browser_newtab_bug991111.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/base/content/test/newtab/browser_newtab_bug991111.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,19 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+function runTests() {
+  yield setLinks("0");
+  yield addNewTabPageTab();
+
+  // Remember if the click handler was triggered
+  let cell = getCell(0);
+  let clicked = false;
+  cell.site.onClick = e => {
+    clicked = true;
+    executeSoon(TestRunner.next);
+  };
+
+  // Send a middle-click and make sure it happened
+  yield EventUtils.synthesizeMouseAtCenter(cell.node, {button: 1}, getContentWindow());
+  ok(clicked, "middle click triggered click listener");
+}