browser_909779_overflow_toolbars_new_window.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";

// Resize to a small window, open a new window, check that new window handles overflow properly

add_task(async function () {

  let originalWindowWidth = window.outerWidth;

  let navbar = document.getElementById(CustomizableUI.AREA_NAVBAR);

ok(

    !navbar.hasAttribute("overflowing"),

    "Should start with a non-overflowing toolbar."

);

  let oldChildCount =

    CustomizableUI.getCustomizationTarget(navbar).childElementCount;

  window.resizeTo(kForceOverflowWidthPx, window.outerHeight);

  await TestUtils.waitForCondition(() => navbar.hasAttribute("overflowing"));

  ok(navbar.hasAttribute("overflowing"), "Should have an overflowing toolbar.");

  Assert.less(

    CustomizableUI.getCustomizationTarget(navbar).childElementCount,

    oldChildCount,

    "Should have fewer children."

);

  let newWindow = await openAndLoadWindow();

  let otherNavBar = newWindow.document.getElementById(

    CustomizableUI.AREA_NAVBAR

);

  await TestUtils.waitForCondition(() =>

    otherNavBar.hasAttribute("overflowing")

);

ok(

    otherNavBar.hasAttribute("overflowing"),

    "Other window should have an overflowing toolbar."

);

  await promiseWindowClosed(newWindow);

  window.resizeTo(originalWindowWidth, window.outerHeight);

  await TestUtils.waitForCondition(() => !navbar.hasAttribute("overflowing"));

ok(

    !navbar.hasAttribute("overflowing"),

    "Should no longer have an overflowing toolbar."

);

});

add_task(async function asyncCleanup() {

  await resetCustomization();

});