| // 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 |
| |
| 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); |
| asyncEnd(); |
| }; |
| |
| for (var i = 0; i < n; ++i) x.addEventListener(type, genHandler()); |
| |
| var event = new Event(type); |
| x.dispatchEvent(event); |
| } |