| /* |
| * Copyright (c) 2016, 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 bool isEven |
| * Returns true if and only if this integer is even. |
| * @description Checks that this method returns true if and only if this integer |
| * is even. |
| * @author sgrekhov@unipro.ru |
| */ |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| Expect.isTrue(0.isEven); |
| Expect.isTrue(2.isEven); |
| Expect.isTrue(4.isEven); |
| Expect.isTrue(6.isEven); |
| Expect.isTrue(8.isEven); |
| Expect.isTrue(8000000000000000.isEven); |
| |
| Expect.isTrue((-2).isEven); |
| Expect.isTrue((-4).isEven); |
| Expect.isTrue((-6).isEven); |
| Expect.isTrue((-8).isEven); |
| Expect.isTrue((-8000000000000000).isEven); |
| |
| Expect.isFalse(1.isEven); |
| Expect.isFalse(3.isEven); |
| Expect.isFalse(5.isEven); |
| Expect.isFalse(9.isEven); |
| Expect.isFalse((8000000000000000 - 1).isEven); |
| |
| Expect.isFalse((-1).isEven); |
| Expect.isFalse((-3).isEven); |
| Expect.isFalse((-5).isEven); |
| Expect.isFalse((-9).isEven); |
| Expect.isFalse((-8000000000000000 + 1).isEven); |
| } |