The Tor Browser / file revision

 /* Any copyright is dedicated to the Public Domain.

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

 /*

  * These tests make sure that the undo dialog works as expected.

  */

 function runTests() {

   // remove unpinned sites and undo it

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

   setPinnedLinks("5");

   yield addNewTabPageTab();

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

   yield blockCell(4);

   yield blockCell(4);

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

   yield undo();

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

   // now remove a pinned site and undo it

   yield blockCell(0);

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

   yield undo();

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

   // remove a site and restore all

   yield blockCell(1);

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

   yield undoAll();

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

 }

 function undo() {

   let cw = getContentWindow();

   let target = cw.document.getElementById("newtab-undo-button");

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

   whenPagesUpdated();

 }

 function undoAll() {

   let cw = getContentWindow();

   let target = cw.document.getElementById("newtab-undo-restore-button");

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

   whenPagesUpdated();

 }