// 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.

/// @assertion void addEventListener(String type, EventListener listener,
/// [bool useCapture])
/// Register an event handler of a specific event type on the EventTarget.
/// @description Checks that several listeners can be registered with useCapture

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

main() {
  var type = 'click';
  ButtonElement x = new ButtonElement();
  document.body?.append(x);

  var n = 10;

  asyncMultiStart(n);

  EventListener genHandler() => (e) {
        Expect.equals(type, e.type);
        Expect.equals(Event.CAPTURING_PHASE, e.eventPhase);
        asyncEnd();
      };

  for (var i = 0; i < n; ++i)
    document.body?.addEventListener(type, genHandler(), true);

  var event = new Event(type);
  x.dispatchEvent(event);
}
