| /* |
| * 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. |
| */ |
| /** |
| * @description Tests one requestAnimationFrame callback cancelling a second |
| */ |
| import "dart:html"; |
| import "../../testcommon.dart"; |
| import "../../../Utils/async_utils.dart"; |
| |
| main() { |
| var secondCallbackId; |
| var callbackFired = false; |
| var cancelFired = false; |
| |
| window.requestAnimationFrame((_) { |
| cancelFired = true; |
| window.cancelAnimationFrame(secondCallbackId); |
| }); |
| |
| secondCallbackId = window.requestAnimationFrame((_) { |
| callbackFired = true; |
| }); |
| |
| asyncStart(); |
| window.requestAnimationFrame((_) { |
| shouldBeFalse(callbackFired); |
| shouldBeTrue(cancelFired); |
| asyncEnd(); |
| }); |
| } |