| // 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 Duration difference(DateTime other) |
| * Returns a [Duration] with the difference of [:this:] and [other] |
| * @description Checks that the method returns correct value |
| * @author hlodvig |
| */ |
| import "../../../Utils/expect.dart"; |
| void check(val1, val2, expected){ |
| DateTime dt1 = new DateTime.fromMillisecondsSinceEpoch(val1); |
| DateTime dt2 = new DateTime.fromMillisecondsSinceEpoch(val2); |
| Expect.equals(new Duration(milliseconds: expected), dt1.difference(dt2)); |
| Expect.equals(new Duration(milliseconds: -expected), dt2.difference(dt1)); |
| |
| dt1 = new DateTime.fromMillisecondsSinceEpoch(val1); |
| dt2 = new DateTime.fromMillisecondsSinceEpoch(val2); |
| Expect.equals(new Duration(milliseconds: expected), dt1.difference(dt2)); |
| Expect.equals(new Duration(milliseconds: -expected), dt2.difference(dt1)); |
| } |
| |
| main() { |
| check(0, 0, 0); |
| check(0, 1000, -1000); |
| check(0, -1000, 1000); |
| check(1000, 0, 1000); |
| check(-1000, 0, -1000); |
| check(1000, 1000, 0); |
| } |