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");

   yield addNewTabPageTab();

   // Remember if the click handler was triggered

   let {site} = getCell(0);

   let origOnClick = site.onClick;

   let clicked = false;

   site.onClick = e => {

     origOnClick.call(site, e);

     clicked = true;

     executeSoon(TestRunner.next);

   };

   // Send a middle-click and make sure it happened

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

   yield EventUtils.synthesizeMouseAtCenter(block, {button: 1}, getContentWindow());

   ok(clicked, "middle click triggered click listener");

   // Make sure the cell didn't actually get blocked

   checkGrid("0");

 }