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 focusing the 'New Tage Page' works as expected.

  */

 function runTests() {

   // Handle the OSX full keyboard access setting

   Services.prefs.setIntPref("accessibility.tabfocus", 7);

   // Focus count in new tab page.

   // 30 = 9 * 3 + 3 = 9 sites, each with link, pin and remove buttons; search

   // bar; search button; and toggle button.

   let FOCUS_COUNT = 30;

   // Create a new tab page.

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

   setPinnedLinks("");

   yield addNewTabPageTab();

   gURLBar.focus();

   // Count the focus with the enabled page.

   yield countFocus(FOCUS_COUNT);

   // Disable page and count the focus with the disabled page.

   NewTabUtils.allPages.enabled = false;

   yield countFocus(1);

   Services.prefs.clearUserPref("accessibility.tabfocus");

   NewTabUtils.allPages.enabled = true;

 }

 /**

  * Focus the urlbar and count how many focus stops to return again to the urlbar.

  */

 function countFocus(aExpectedCount) {

   let focusCount = 0;

   let contentDoc = getContentDocument();

   window.addEventListener("focus", function onFocus() {

     let focusedElement = document.commandDispatcher.focusedElement;

     if (focusedElement && focusedElement.classList.contains("urlbar-input")) {

       window.removeEventListener("focus", onFocus, true);

       is(focusCount, aExpectedCount, "Validate focus count in the new tab page.");

       executeSoon(TestRunner.next);

     } else {

       if (focusedElement && focusedElement.ownerDocument == contentDoc &&

           focusedElement instanceof HTMLElement) {

         focusCount++;

       }

       document.commandDispatcher.advanceFocus();

     }

   }, true);

   document.commandDispatcher.advanceFocus();

 }