| // Copyright (c) 2014, 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 factory A() = B; |
| } |
| |
| class B implements A { |
| const B(); |
| |
| operator ==(o) => true; // //# 00: compile-time error |
| } |
| |
| @NoInline() |
| @AssumeDynamic() |
| confuse(x) => x; |
| |
| main() { |
| // It is a compile-time error if the key type overrides operator ==. |
| var m = const {const A(): 42}; |
| Expect.equals(42, m[confuse(const B())]); |
| |
| m = const {"foo": 99, const A(): 499}; |
| Expect.equals(499, m[confuse(const B())]); |
| } |
