| // 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 compile error is thrown when function with not well |
| * bounded type parameter is declared |
| * @author iarkh@unipro.ru |
| */ |
| |
| class A<T extends A<T>> {} |
| |
| void testme1<X extends A>() {} |
| // ^ |
| // [cfe] Generic type 'A' can't be used without type arguments in a type variable bound. |
| // ^ |
| // [analyzer] COMPILE_TIME_ERROR.NOT_INSTANTIATED_BOUND |
| void testme2<X extends A<A>>() {} |
| // ^ |
| // [cfe] Generic type 'A' can't be used without type arguments in a type variable bound. |
| // ^ |
| // [analyzer] COMPILE_TIME_ERROR.NOT_INSTANTIATED_BOUND |
| void testme3<X extends A<int>>() {} |
| // ^ |
| // [cfe] Type argument 'int' doesn't conform to the bound 'A<T>' of the type variable 'T' on 'A'. |
| // ^^^ |
| // [analyzer] COMPILE_TIME_ERROR.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS |
| |
| main() { |
| } |
