| // Copyright (c) 2019, 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 = 2.9 |
| |
| /// @assertion Any use of a type [T] which is not well-bounded is a |
| /// compile-time error. |
| /// @description Checks that compile error is not thrown when class with type |
| /// parameter which extends super bounded type is declared |
| /// @Issue 37028 |
| /// @author iarkh@unipro.ru |
| |
| |
| class A<T extends A<T>> {} |
| |
| class B1<X extends A<Object>> {} |
| class B2<X extends A<dynamic>> {} |
| class B3<X extends A<void>> {} |
| class B4<X extends A<Null>> {} |
| |
| main() { |
| } |
