The Tor Browser / file revision

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 "use strict";

 // Create a new window, then move the home button to the menu and check both windows have

 // customizationchange events fire on the toolbox:

 add_task(function() {

   let newWindow = yield openAndLoadWindow();

   let otherToolbox = newWindow.gNavToolbox;

   let handlerCalledCount = 0;

   let handler = (ev) => {

     handlerCalledCount++;

   };

   let homeButton = document.getElementById("home-button");

   gNavToolbox.addEventListener("customizationchange", handler);

   otherToolbox.addEventListener("customizationchange", handler);

   gCustomizeMode.addToPanel(homeButton);

   is(handlerCalledCount, 2, "Should be called for both windows.");

   // If the test is run in isolation and the panel has never been open,

   // the button will be in the palette. Deal with this case:

   if (homeButton.parentNode.id == "BrowserToolbarPalette") {

     yield PanelUI.ensureReady();

     isnot(homeButton.parentNode.id, "BrowserToolbarPalette", "Home button should now be in panel");

   }

   handlerCalledCount = 0;

   gCustomizeMode.addToToolbar(homeButton);

   is(handlerCalledCount, 2, "Should be called for both windows.");

   gNavToolbox.removeEventListener("customizationchange", handler);

   otherToolbox.removeEventListener("customizationchange", handler);

   yield promiseWindowClosed(newWindow);

 });

 add_task(function asyncCleanup() {

   yield resetCustomization();

 });