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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, 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 | 4 |
5 import "package:expect/expect.dart"; | 5 import "package:expect/expect.dart"; |
6 | 6 |
7 // Test for correct simple is-checks on hidden native classes. | 7 // Test for correct simple is-checks on hidden native classes. |
8 | 8 |
9 interface J { | 9 abstract class J { |
10 } | 10 } |
11 | 11 |
12 interface I extends J { | 12 abstract class I extends J { |
13 I read(); | 13 I read(); |
14 write(I x); | 14 write(I x); |
15 } | 15 } |
16 | 16 |
17 // Native implementation. | 17 // Native implementation. |
18 | 18 |
19 class A implements I native "A" { | 19 class A implements I native "A" { |
20 // The native class accepts only other native instances. | 20 // The native class accepts only other native instances. |
21 A read() native; | 21 A read() native; |
22 write(A x) native; | 22 write(A x) native; |
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70 Expect.isTrue(b1 is A); | 70 Expect.isTrue(b1 is A); |
71 Expect.isTrue(b1 is B); | 71 Expect.isTrue(b1 is B); |
72 Expect.isTrue(b1 is !C); | 72 Expect.isTrue(b1 is !C); |
73 | 73 |
74 Expect.isTrue(a1 is J); | 74 Expect.isTrue(a1 is J); |
75 Expect.isTrue(a1 is I); | 75 Expect.isTrue(a1 is I); |
76 Expect.isTrue(a1 is A); | 76 Expect.isTrue(a1 is A); |
77 Expect.isTrue(a1 is !B); | 77 Expect.isTrue(a1 is !B); |
78 Expect.isTrue(a1 is !C); | 78 Expect.isTrue(a1 is !C); |
79 } | 79 } |
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