/* 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 = navbar.customizationTarget.childElementCount;
  window.resizeTo(kForceOverflowWidthPx, window.outerHeight);
  await waitForCondition(() => navbar.hasAttribute("overflowing"));
  ok(navbar.hasAttribute("overflowing"), "Should have an overflowing toolbar.");

  ok(navbar.customizationTarget.childElementCount < oldChildCount, "Should have fewer children.");
  let newWindow = await openAndLoadWindow();
  let otherNavBar = newWindow.document.getElementById(CustomizableUI.AREA_NAVBAR);
  await waitForCondition(() => otherNavBar.hasAttribute("overflowing"));
  ok(otherNavBar.hasAttribute("overflowing"), "Other window should have an overflowing toolbar.");
  await promiseWindowClosed(newWindow);

  window.resizeTo(originalWindowWidth, window.outerHeight);
  await waitForCondition(() => !navbar.hasAttribute("overflowing"));
  ok(!navbar.hasAttribute("overflowing"), "Should no longer have an overflowing toolbar.");
});

add_task(async function asyncCleanup() {
  await resetCustomization();
});
