| // 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:math'; |
| |
| main() { |
| Duration d, d1; |
| |
| d1 = new Duration(microseconds: pow(2, 53) as int); |
| d = d1 * 2; |
| Expect.equals(pow(2, 54), d.inMicroseconds); |
| d = d1 * 1.5; |
| Expect.equals(pow(2, 53).toDouble() * 1.5, d.inMicroseconds); |
| Expect.isTrue(d.inMicroseconds is int); |
| |
| // Test that we lose precision when multiplying with a double. |
| d = new Duration(microseconds: (pow(2, 53) as int) + 1) * 1.0; |
| Expect.equals(0, d.inMicroseconds % 2); |
| } |