| /* |
| * Copyright (c) 2018, 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 |
| * Here are some examples of finite unfoldings, and the effect they have on |
| * types of expressions: |
| * c0.next.unknown(42); // Statically OK, `c0.next` is `dynamic`. |
| * @description Checks that [c0.next.unknown(42)] line from the test example is |
| * statically OK and causes [NoSuchMethodError] in runtime. |
| * @author iarkh@unipro.ru |
| * @issue #32903 |
| */ |
| import "../../Utils/expect.dart"; |
| |
| class C<X extends C<X>> { |
| X next; |
| C(this.next); |
| } |
| |
| class D extends C<D> { |
| D(D next): super(next); |
| } |
| |
| main() { |
| D d = new D(new D(null)); |
| C<dynamic> c0 = d; |
| Expect.throws(() { c0.next.unknown(42); }, (e) => e is NoSuchMethodError); |
| } |
