browser_987177_destroyWidget_xul.js

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/* 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 BUTTONID = "test-XUL-wrapper-destroyWidget";

add_task(function () {

  let btn = createDummyXULButton(BUTTONID, "XUL btn");

  gNavToolbox.palette.appendChild(btn);

  let firstWrapper = CustomizableUI.getWidget(BUTTONID).forWindow(window);

  ok(firstWrapper, "Should get a wrapper");

  ok(firstWrapper.node, "Node should be there on first wrapper.");

  btn.remove();

  CustomizableUI.destroyWidget(BUTTONID);

  let secondWrapper = CustomizableUI.getWidget(BUTTONID).forWindow(window);

  isnot(

    firstWrapper,

    secondWrapper,

    "Wrappers should be different after destroyWidget call."

);

  ok(!firstWrapper.node, "No node should be there on old wrapper.");

  ok(!secondWrapper.node, "No node should be there on new wrapper.");

  btn = createDummyXULButton(BUTTONID, "XUL btn");

  gNavToolbox.palette.appendChild(btn);

  let thirdWrapper = CustomizableUI.getWidget(BUTTONID).forWindow(window);

  ok(thirdWrapper, "Should get a wrapper");

  is(secondWrapper, thirdWrapper, "Should get the second wrapper again.");

  ok(firstWrapper.node, "Node should be there on old wrapper.");

  ok(secondWrapper.node, "Node should be there on second wrapper.");

  ok(thirdWrapper.node, "Node should be there on third wrapper.");

});