LibTest/html/Event/defaultPrevented_A01_t01.dart

// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

// @dart = 2.9

/// @assertion final bool defaultPrevented
/// Indicates whether or not event.preventDefault() has been called on the event.
/// @description Checks expected attribute values.

import "dart:html";
import "../../../Utils/expect.dart";

main() {
  var body = document.body;
  var div = new DivElement();
  body.append(div);

  body.onClick.listen((e) {
    Expect.isTrue(e.defaultPrevented);
    asyncEnd();
  });

  div.onClick.listen((e) {
    Expect.isFalse(e.defaultPrevented);
    e.preventDefault();
    asyncEnd();
  });

  asyncMultiStart(2);
  div.dispatchEvent(new Event('click'));
}