| // 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 = 2.9 |
| |
| import "package:expect/expect.dart"; |
| |
| class A { |
| final x; |
| const A([x = 499]) : this.x = x; |
| } |
| |
| class B extends A { |
| const B(); |
| final z = 99; |
| } |
| |
| class C extends B { |
| const C(this.y); |
| final y; |
| } |
| |
| const v = const C(42); |
| |
| main() { |
| Expect.equals(42, v.y); |
| Expect.equals(499, v.x); |
| Expect.equals(99, v.z); |
| } |