| /* |
| * 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 Duration instance |
| * @author hlodvig |
| * @reviewer msyabro |
| */ |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| Expect.isTrue(new DateTime.now().difference(new DateTime.now()) is Duration); |
| Expect.isTrue(new DateTime.fromMillisecondsSinceEpoch(0).difference(new DateTime.fromMillisecondsSinceEpoch(1000)) is Duration); |
| Expect.isTrue(new DateTime.fromMillisecondsSinceEpoch(0).difference(new DateTime.fromMillisecondsSinceEpoch(-1000)) is Duration); |
| Expect.isTrue(new DateTime.fromMillisecondsSinceEpoch(1000).difference(new DateTime.fromMillisecondsSinceEpoch(0)) is Duration); |
| Expect.isTrue(new DateTime.fromMillisecondsSinceEpoch(1000).difference(new DateTime.fromMillisecondsSinceEpoch(0)) is Duration); |
| Expect.isTrue(new DateTime.fromMillisecondsSinceEpoch(0).difference(new DateTime.fromMillisecondsSinceEpoch(1000)) is Duration); |
| } |