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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 // Check fail because of cycles in super class relationship. | 4 // Check fail because of cycles in super class relationship. |
5 | 5 |
6 import "package:expect/expect.dart"; | 6 import "package:expect/expect.dart"; |
7 | 7 |
8 class Foo implements Bar { | 8 class Foo implements Bar { |
9 } | 9 } |
10 | 10 |
11 class C { | 11 class C { |
12 } | 12 } |
13 | 13 |
14 class Bar | 14 class Bar |
15 extends Foo /// 00: compile-time error | 15 extends Foo // /// 00: compile-time error |
16 implements Foo /// 01: compile-time error | 16 implements Foo // /// 01: compile-time error |
17 { | 17 { |
18 } | 18 } |
19 | 19 |
20 class ImplementsC implements C | 20 class ImplementsC implements C |
21 , C /// 02: compile-time error | 21 , C // /// 02: compile-time error |
22 {} | 22 {} |
23 | 23 |
24 // Spec says: It is a compile-time error if the superclass | 24 // Spec says: It is a compile-time error if the superclass |
25 // of a class C appears in the implements clause of C. | 25 // of a class C appears in the implements clause of C. |
26 class ExtendsC extends C | 26 class ExtendsC extends C |
27 implements C /// 03: compile-time error | 27 implements C // /// 03: compile-time error |
28 {} | 28 {} |
29 | 29 |
30 main() { | 30 main() { |
31 Expect.isTrue(new Foo() is Foo); | 31 Expect.isTrue(new Foo() is Foo); |
32 Expect.isTrue(new ImplementsC() is C); | 32 Expect.isTrue(new ImplementsC() is C); |
33 Expect.isTrue(new ExtendsC() is C); | 33 Expect.isTrue(new ExtendsC() is C); |
34 } | 34 } |
35 | 35 |
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