| /* |
| * 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. |
| */ |
| /** |
| * @assertion It is a compile-time error if the values of the expressions ek |
| * are not either: |
| * - instances of the same class C, for all k in 1..n |
| * - instances of a class that implements int, for all k in 1..n |
| * - instances of a class that implements String, for all k in 1..n |
| * @description Checks that it is a compile-time error if case expressions |
| * are instances of different user-defined classes. |
| * @compile-error |
| * @author ilya |
| */ |
| |
| class C { |
| final id; |
| const C(this.id); |
| } |
| |
| class D { |
| final id; |
| const D(this.id); |
| } |
| |
| main() { |
| var x = const C(0); |
| try { |
| switch(x) { |
| case const C(1): |
| case const C(2): |
| case const D(1): |
| } |
| } catch(e) {} |
| } |