browser_877447_skip_missing_ids.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";

registerCleanupFunction(removeCustomToolbars);

add_task(function skipMissingIDS() {

  const kButtonId = "look-at-me-disappear-button";

  CustomizableUI.reset();

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

  let btn = createDummyXULButton(kButtonId, "Gone!");

  CustomizableUI.addWidgetToArea(kButtonId, CustomizableUI.AREA_NAVBAR);

ok(

    !CustomizableUI.inDefaultState,

    "Should no longer be in the default state."

);

is(

    btn.parentNode.parentNode.id,

    CustomizableUI.AREA_NAVBAR,

    "Button should be in navbar"

);

  btn.remove();

  is(btn.parentNode, null, "Button is no longer in the navbar");

ok(

    CustomizableUI.inDefaultState,

    "Should be back in the default state, " +

      "despite unknown button ID in placements."

);

});

add_task(async function asyncCleanup() {

  await resetCustomization();

});