| // 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 A redirecting factory constructor specifies a call to a |
| * constructor of another class that is to be used whenever the redirecting |
| * constructor is called. |
| * redirectingFactoryConstructorSignature: |
| * const? factory identifier (‘.’ identifier)? formalParameterList |
| * ‘=’ typeName (‘.’ identifier)? |
| * ; |
| * @description Checks that correct declarations of redirecting factory |
| * constructors do not cause errors. Test type aliases |
| * @author sgrekhov@unipro.ru |
| * @issue 45051 |
| */ |
| // SharedOptions=--enable-experiment=nonfunction-type-aliases |
| import "../../../../Utils/expect.dart"; |
| |
| class A { |
| A() {} |
| factory A.foo() = CAlias.bar; |
| int m() => 42; |
| } |
| typedef AAlias = A; |
| |
| class C extends A { |
| C() {} |
| factory C.bar() = DAlias; |
| int m() { return 1; } |
| } |
| typedef CAlias = C; |
| |
| class D extends CAlias { |
| int m() { return 2; } |
| } |
| typedef DAlias = D; |
| |
| main() { |
| A a = new A.foo(); |
| Expect.equals(2, a.m()); |
| } |