| // Copyright (c) 2013, 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. |
| |
| import "package:expect/expect.dart"; |
| import "dart:io"; |
| |
| test(int milliseconds) { |
| var watch = new Stopwatch(); |
| watch.start(); |
| sleep(new Duration(milliseconds: milliseconds)); |
| watch.stop(); |
| Expect.isTrue(watch.elapsedMilliseconds + 1 >= milliseconds); |
| } |
| |
| main() { |
| test(0); |
| test(1); |
| test(10); |
| test(100); |
| Expect.throws(() => sleep(new Duration(milliseconds: -1)), |
| (e) => e is ArgumentError); |
| } |