| // Copyright (c) 2011, 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 factory Timer(Duration duration, void callback()) |
| /// Creates a new timer. |
| /// The callback callback is invoked after the given duration. |
| /// @description Checks that callback function is called after the given duration. |
| /// @author kaigorodov |
| |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| |
| check(int delayms) { |
| Duration delay = durationMs(delayms); |
| Stopwatch sw = new Stopwatch(); |
| sw.start(); |
| |
| asyncStart(); |
| new Timer(delay, () { |
| Duration actual = sw.elapsed; |
| Expect.isTrue(delay <= actual, "expected=$delay, actual=$actual"); |
| asyncEnd(); |
| }); |
| } |
| |
| main() { |
| check(25); |
| check(10); |
| check(2); |
| check(1); |
| check(0); |
| check(-5); |
| } |