| // Copyright (c) 2013, 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 = 2.9 |
| |
| import "package:expect/expect.dart"; |
| |
| class S {} |
| |
| class M1 {} |
| |
| class M2 {} |
| |
| class M3 {} |
| |
| class C = S with M1, M2, M3; |
| |
| class D extends S with M1, M2, M3 {} |
| |
| class S_M1 {} |
| |
| class S_M1_M2 {} |
| |
| main() { |
| var c = new C(); |
| Expect.isTrue(c is C); |
| Expect.isFalse(c is D); |
| Expect.isTrue(c is S); |
| Expect.isFalse(c is S_M1); |
| Expect.isFalse(c is S_M1_M2); |
| |
| var d = new D(); |
| Expect.isFalse(d is C); |
| Expect.isTrue(d is D); |
| Expect.isTrue(d is S); |
| Expect.isFalse(d is S_M1); |
| Expect.isFalse(d is S_M1_M2); |
| |
| var sm = new S_M1(); |
| Expect.isFalse(sm is C); |
| Expect.isFalse(sm is D); |
| Expect.isFalse(sm is S); |
| Expect.isTrue(sm is S_M1); |
| Expect.isFalse(sm is S_M1_M2); |
| |
| var smm = new S_M1_M2(); |
| Expect.isFalse(smm is C); |
| Expect.isFalse(smm is D); |
| Expect.isFalse(smm is S); |
| Expect.isFalse(smm is S_M1); |
| Expect.isTrue(smm is S_M1_M2); |
| } |