/* 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/. */

/* global add_task, loadScripts, accessibleTestTask, expandedStateChecker,
          invokeExpandNode */

'use strict';

loadScripts('common.js', 'role.js', 'states.js', 'events.js');

function* expandNode(browser, aID, aIsExpanded) {
  let checkExpandedState = expandedStateChecker(aIsExpanded, aID);
  yield invokeExpandNode(browser, aID, aIsExpanded);
  yield checkExpandedState;
}

add_task(function*() {
  yield accessibleTestTask('doc_events_aria_statechange.html',
    function*(browser) {
      yield* expandNode(browser, 'section', true);
      yield* expandNode(browser, 'section', false);
    });
});