| // Copyright (c) 2012, 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. |
| // Dart test to verify that factory classes are working. |
| |
| import "package:expect/expect.dart"; |
| |
| abstract class Point { |
| factory Point(int x, int y) = PointImplementation; |
| |
| final int x; |
| final int y; |
| } |
| |
| class PointImplementation implements Point { |
| const PointImplementation(int x, int y) |
| : this.x = x, |
| this.y = y; |
| final int x; |
| final int y; |
| } |
| |
| class DefaultImplementationTest { |
| static void testMain() { |
| Point point = new Point(4, 2); |
| Expect.equals(4, point.x); |
| Expect.equals(2, point.y); |
| } |
| } |
| |
| main() { |
| DefaultImplementationTest.testMain(); |
| } |