| // Copyright (c) 2011, 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 error if a factory returns a non-null object whose |
| * type is not a subtype of its actual return type. |
| * |
| * @description Checks that returning null from factory constructor M produces |
| * an error. |
| * @author ilya |
| */ |
| |
| class A { |
| factory A() => null; |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| factory A.foo() => null; |
| // ^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
| |
| main() { |
| new A(); |
| new A.foo(); |
| } |
