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| 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 | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 // Dart test program for testing the instanceof operation. | |
| 5 | |
| 6 import "package:expect/expect.dart"; | |
| 7 | |
| 8 // Tests involving generics. | |
| 9 | |
| 10 abstract class I<T> {} | |
| 11 | |
| 12 class A implements I<bool> {} | |
| 13 | |
| 14 class B<T> implements I<bool> {} | |
| 15 | |
| 16 abstract class K<T> {} | |
| 17 | |
| 18 abstract class L<T> extends K<bool> {} | |
| 19 | |
| 20 class C implements L<String> {} | |
| 21 | |
| 22 class D implements B<String> {} | |
| 23 | |
| 24 main() { | |
| 25 var a = new A(); | |
| 26 var b = new B<String>(); | |
| 27 var c = new C(); | |
| 28 var d = new D(); | |
| 29 // Repeat type checks so that inlined tests can be tested as well. | |
| 30 for (int i = 0; i < 5; i++) { | |
| 31 Expect.isFalse(a is I<String>); | |
| 32 Expect.isTrue(a is I<bool>); | |
| 33 Expect.isFalse(b is I<String>); | |
| 34 Expect.isFalse(c is K<String>); | |
| 35 Expect.isFalse(c is K<String>); | |
| 36 Expect.isTrue(c is L<String>); | |
| 37 Expect.isFalse(c is L<bool>); | |
| 38 Expect.isTrue(c is K<bool>); | |
| 39 Expect.isFalse(c is K<String>); | |
| 40 Expect.isFalse(d is I<String>); | |
| 41 Expect.isTrue(d is I<bool>); | |
| 42 } | |
| 43 } | |
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