| /* |
| * 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 It is a compile-time error if a parameterized type [T] is |
| * super-bounded when it is used in any of the following ways: |
| * [T] is an immediate subterm of a new expression (16.15.1) or a constant |
| * object expression |
| * @description Checks that compile error is thrown when parametrized type is |
| * used with constructor in the constant object expression. |
| * @author iarkh@unipro.ru |
| */ |
| |
| class A<T extends A<T>> { |
| const A(); |
| } |
| |
| main() { |
| const a1 = A<dynamic>(); |
| // ^ |
| // [cfe] Type argument 'dynamic' doesn't conform to the bound 'A<T>' of the type variable 'T' on 'A'. |
| // ^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS |
| const a2 = A<Object?>(); |
| // ^ |
| // [cfe] Type argument 'Object?' doesn't conform to the bound 'A<T>' of the type variable 'T' on 'A'. |
| // ^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS |
| const a3 = A<void>(); |
| // ^ |
| // [cfe] Type argument 'void' doesn't conform to the bound 'A<T>' of the type variable 'T' on 'A'. |
| // ^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS |
| const a4 = A<Null>(); |
| // [error line 36, column 0] |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| const a5 = A<Never>(); |
| |
| const a6 = A<A<dynamic>>(); |
| // ^ |
| // [cfe] Type argument 'A<dynamic>' doesn't conform to the bound 'A<T>' of the type variable 'T' on 'A'. |
| // ^^^^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS |
| const a7 = A<A<Object?>>(); |
| // ^ |
| // [cfe] Type argument 'A<Object?>' doesn't conform to the bound 'A<T>' of the type variable 'T' on 'A'. |
| // ^^^^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS |
| const a8 = A<A<void>>(); |
| // ^ |
| // [cfe] Type argument 'A<void>' doesn't conform to the bound 'A<T>' of the type variable 'T' on 'A'. |
| // ^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS |
| const a9 = A<A<Null>>(); |
| // [error line 57, column 0] |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| const a0 = A<A<Never>>(); |
| } |