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";

 const kWidgetId = "test-non-removable-widget";

 // Adding non-removable items to a toolbar or the panel shouldn't change inDefaultState

 add_task(function() {

   let navbar = document.getElementById("nav-bar");

   ok(CustomizableUI.inDefaultState, "Should start in default state");

   let button = createDummyXULButton(kWidgetId, "Test non-removable inDefaultState handling");

   CustomizableUI.addWidgetToArea(kWidgetId, CustomizableUI.AREA_NAVBAR);

   button.setAttribute("removable", "false");

   ok(CustomizableUI.inDefaultState, "Should still be in default state after navbar addition");

   button.remove();

   button = createDummyXULButton(kWidgetId, "Test non-removable inDefaultState handling");

   CustomizableUI.addWidgetToArea(kWidgetId, CustomizableUI.AREA_PANEL);

   button.setAttribute("removable", "false");

   ok(CustomizableUI.inDefaultState, "Should still be in default state after panel addition");

   button.remove();

   ok(CustomizableUI.inDefaultState, "Should be in default state after destroying both widgets");

 });