| // Copyright (c) 2012, 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. |
| // Dart test program for testing Interfaces. |
| |
| // @dart = 2.9 |
| |
| abstract class Ai { |
| int foo(); |
| } |
| |
| abstract class Bi implements Ai { |
| factory Bi() = InterfaceTest; |
| // ^ |
| // [cfe] Factory redirects to class 'InterfaceTest', which is abstract and can't be instantiated. |
| // ^^^^^^^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.REDIRECT_TO_ABSTRACT_CLASS_CONSTRUCTOR |
| } |
| |
| abstract class Simple implements Ai {} |
| |
| abstract class Aai {} |
| |
| abstract class Abi {} |
| |
| abstract class Bar {} |
| |
| abstract class Foo implements Bar {} |
| |
| abstract class Baz implements Bar, Foo {} |
| |
| abstract class InterfaceTest implements Ai, Aai, Abi, Baz, Bi { |
| var f; |
| |
| InterfaceTest() {} |
| int foo() { |
| return 1; |
| } |
| |
| // intentionally unimplemented methods |
| beta(); // Abstract. |
| String beta1(); // Abstract. |
| String beta2(double d); // Abstract. |
| } |
| |
| main() { |
| new Bi(); |
| } |