| // 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. |
| |
| /// @assertion Any use of a type `T` which is not well-bounded is a |
| /// compile-time error. |
| /// |
| /// @description Checks that it is a compile-time error to declare a variable |
| /// with a type parameter which is not well-bounded |
| /// @author iarkh@unipro.ru |
| |
| class A<T extends A<T>> {} |
| |
| main() { |
| A<Object> a0; |
| // ^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| A<int> a1; |
| // ^^^ |
| // [analyzer] COMPILE_TIME_ERROR.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS |
| //^ |
| // [cfe] Type argument 'int' doesn't conform to the bound 'A<T>' of the type variable 'T' on 'A'. |
| A<A<int>> a2; |
| // ^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| A<A<A<int>>> a3; |
| // ^^^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| A<A<Object>> a4; |
| // ^^^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |