| // 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 "dart:io"; |
| import "package:unittest/unittest.dart"; |
| |
| test(int milliseconds) { |
| var watch = new Stopwatch(); |
| watch.start(); |
| sleep(new Duration(milliseconds: milliseconds)); |
| watch.stop(); |
| expect(watch.elapsedMilliseconds, greaterThanOrEqualTo(milliseconds)); |
| } |
| |
| main() { |
| test(0); |
| test(1); |
| test(10); |
| test(100); |
| bool sawError = false; |
| try { |
| sleep(new Duration(milliseconds: -1)); |
| expect(false, isTrue); // should not reach here. |
| } on ArgumentError catch(e) { |
| sawError = true; |
| } |
| expect(sawError, isTrue); |
| } |