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path: root/browser/components/customizableui/test/browser_currentset_post_reset.js
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/* Any copyright is dedicated to the Public Domain.
 * http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

function checkSpacers() {
  let navbarWidgets = CustomizableUI.getWidgetIdsInArea("nav-bar");
  let currentSetWidgets = CustomizableUI.getTestOnlyInternalProp(
    "CustomizableUIInternal"
  )._getCurrentWidgetsInContainer(document.getElementById("nav-bar"));
  navbarWidgets = navbarWidgets.filter(w => CustomizableUI.isSpecialWidget(w));
  currentSetWidgets = currentSetWidgets.filter(w =>
    CustomizableUI.isSpecialWidget(w)
  );
  Assert.deepEqual(
    navbarWidgets,
    currentSetWidgets,
    "Should have the same 'special' widgets in currentset and placements"
  );
}

/**
 * Check that after a reset, CUI's internal bookkeeping correctly deals with flexible spacers.
 */
add_task(async function () {
  await startCustomizing();
  checkSpacers();

  CustomizableUI.addWidgetToArea(
    "spring",
    "nav-bar",
    4 /* Insert before the last extant spacer */
  );
  await gCustomizeMode.reset();
  checkSpacers();
  await endCustomizing();
});