| // 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. | |
| import "package:expect/expect.dart"; | |
| class A { | |
| const A( | |
| this.x /// 01: compile-time error | |
| ); | |
| final x = null; | |
| } | |
| class B extends A { | |
| const B(); | |
| } | |
| var b = const B(); | |
| main() { | |
| Expect.equals(null, b.x); | |
| } |