| // 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. |
| |
| // @dart = 2.7 |
| |
| import "package:expect/expect.dart"; |
| |
| String message; |
| |
| class A { |
| int x; |
| A(i) : x = i { |
| message = '${message}A($i)'; |
| } |
| } |
| |
| class B extends A { |
| int y; |
| B(i) |
| : y = i++, |
| super(i + 5) { |
| message = '${message}B($i)'; |
| } |
| } |
| |
| class C extends B { |
| var z; |
| C(i) |
| : z = i, |
| super(i * 3) { |
| message = '${message}C($i)'; |
| } |
| } |
| |
| main() { |
| message = ''; |
| var c = new C(7); |
| Expect.equals(27, c.x); |
| Expect.equals(21, c.y); |
| Expect.equals(7, c.z); |
| Expect.equals('A(27)B(22)C(7)', message); |
| } |