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 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");

 }