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";

 // See https://bugzilla.mozilla.org/show_bug.cgi?id=941083

 const kWidgetId = "test-invalidate-wrapper-cache";

 // Check createWidget invalidates the widget cache

 add_task(function() {

   let groupWrapper = CustomizableUI.getWidget(kWidgetId);

   ok(groupWrapper, "Should get group wrapper.");

   let singleWrapper = groupWrapper.forWindow(window);

   ok(singleWrapper, "Should get single wrapper.");

   CustomizableUI.createWidget({id: kWidgetId, label: "Test invalidating widgets caching"});

   let newGroupWrapper = CustomizableUI.getWidget(kWidgetId);

   ok(newGroupWrapper, "Should get a group wrapper again.");

   isnot(newGroupWrapper, groupWrapper, "Wrappers shouldn't be the same.");

   isnot(newGroupWrapper.provider, groupWrapper.provider, "Wrapper providers shouldn't be the same.");

   let newSingleWrapper = newGroupWrapper.forWindow(window);

   isnot(newSingleWrapper, singleWrapper, "Single wrappers shouldn't be the same.");

   isnot(newSingleWrapper.provider, singleWrapper.provider, "Single wrapper providers shouldn't be the same.");

   CustomizableUI.destroyWidget(kWidgetId);

   ok(!CustomizableUI.getWidget(kWidgetId), "Shouldn't get a wrapper after destroying the widget.");

 });