| // 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 call a generic |
| /// function with an actual type argument which does not satisfy the bounds. |
| /// @author iarkh@unipro.ru |
| |
| void testme<X extends num>() {} |
| |
| main() { |
| testme<String>(); |
| //^ |
| // [cfe] Type argument 'String' doesn't conform to the bound 'num' of the type variable 'X' on 'testme'. |
| // ^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS |
| testme<dynamic>(); |
| //^ |
| // [cfe] Type argument 'dynamic' doesn't conform to the bound 'num' of the type variable 'X' on 'testme'. |
| // ^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS |
| testme<void>(); |
| //^ |
| // [cfe] Type argument 'void' doesn't conform to the bound 'num' of the type variable 'X' on 'testme'. |
| // ^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS |
| testme<Object>(); |
| //^ |
| // [cfe] Type argument 'Object' doesn't conform to the bound 'num' of the type variable 'X' on 'testme'. |
| // ^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS |
| } |
