The Tor Browser / file revision

 /* Any copyright is dedicated to the Public Domain.

    http://creativecommons.org/publicdomain/zero/1.0/ */

 function runTests() {

   yield setLinks("0,1,2,3,4,5,6,7,8");

   setPinnedLinks("");

   yield addNewTabPageTab();

   checkGrid("0,1,2,3,4,5,6,7,8");

   let receivedError = false;

   let block = getContentDocument().querySelector(".newtab-control-block");

   function onError() {

     receivedError = true;

   }

   let cw = getContentWindow();

   cw.addEventListener("error", onError);

   for (let i = 0; i < 3; i++)

     EventUtils.synthesizeMouseAtCenter(block, {}, cw);

   yield whenPagesUpdated();

   ok(!receivedError, "we got here without any errors");

   cw.removeEventListener("error", onError);

 }