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| 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 | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 // Dart test program for testing the instanceof operation. | |
| 5 | |
| 6 interface I { } | |
| 7 | |
| 8 interface AI extends I { } | |
| 9 | |
| 10 class A implements AI { | |
| 11 const A(); | |
| 12 } | |
| 13 | |
| 14 class B implements I { | |
| 15 const B(); | |
| 16 } | |
| 17 | |
| 18 class C extends A { | |
| 19 const C() : super(); | |
| 20 } | |
| 21 | |
| 22 class InstanceofTest { | |
| 23 static testMain() { | |
| 24 var a = new A(); | |
| 25 var b = new B(); | |
| 26 var c = new C(); | |
| 27 var n = null; | |
| 28 | |
| 29 Expect.equals(true, a is A); | |
| 30 Expect.equals(true, b is B); | |
| 31 Expect.equals(true, c is C); | |
| 32 Expect.equals(true, c is A); | |
| 33 | |
| 34 Expect.equals(true, a is AI); | |
| 35 Expect.equals(true, a is I); | |
| 36 Expect.equals(false, b is AI); | |
| 37 Expect.equals(true, b is I); | |
| 38 Expect.equals(true, c is AI); | |
| 39 Expect.equals(true, c is I); | |
| 40 Expect.equals(false, n is AI); | |
| 41 Expect.equals(false, n is I); | |
| 42 | |
| 43 Expect.equals(false, a is B); | |
| 44 Expect.equals(false, a is C); | |
| 45 Expect.equals(false, b is A); | |
| 46 Expect.equals(false, b is C); | |
| 47 Expect.equals(false, c is B); | |
| 48 Expect.equals(false, n is A); | |
| 49 | |
| 50 Expect.equals(false, null is A); | |
| 51 Expect.equals(false, null is B); | |
| 52 Expect.equals(false, null is C); | |
| 53 Expect.equals(false, null is AI); | |
| 54 Expect.equals(false, null is I); | |
| 55 | |
| 56 { | |
| 57 var a = new List(5); | |
| 58 Expect.equals(true, a is List); | |
| 59 Expect.equals(true, a is List<Object>); | |
| 60 Expect.equals(true, a is List<int>); | |
| 61 Expect.equals(true, a is List<num>); | |
| 62 Expect.equals(true, a is List<String>); | |
| 63 } | |
| 64 { | |
| 65 var a = new List<Object>(5); | |
| 66 Expect.equals(true, a is List); | |
| 67 Expect.equals(true, a is List<Object>); | |
| 68 Expect.equals(false, a is List<int>); | |
| 69 Expect.equals(false, a is List<num>); | |
| 70 Expect.equals(false, a is List<String>); | |
| 71 } | |
| 72 { | |
| 73 var a = new List<int>(5); | |
| 74 Expect.equals(true, a is List); | |
| 75 Expect.equals(true, a is List<Object>); | |
| 76 Expect.equals(true, a is List<int>); | |
| 77 Expect.equals(true, a is List<num>); | |
| 78 Expect.equals(false, a is List<String>); | |
| 79 } | |
| 80 { | |
| 81 var a = new List<num>(5); | |
| 82 Expect.equals(true, a is List); | |
| 83 Expect.equals(true, a is List<Object>); | |
| 84 Expect.equals(false, a is List<int>); | |
| 85 Expect.equals(true, a is List<num>); | |
| 86 Expect.equals(false, a is List<String>); | |
| 87 } | |
| 88 { | |
| 89 var a = new List<String>(5); | |
| 90 Expect.equals(true, a is List); | |
| 91 Expect.equals(true, a is List<Object>); | |
| 92 Expect.equals(false, a is List<int>); | |
| 93 Expect.equals(false, a is List<num>); | |
| 94 Expect.equals(true, a is List<String>); | |
| 95 } | |
| 96 } | |
| 97 } | |
| 98 | |
| 99 main() { | |
| 100 // Repeat type checks so that inlined tests can be tested as well. | |
| 101 for (int i = 0; i < 5; i++) { | |
| 102 InstanceofTest.testMain(); | |
| 103 } | |
| 104 } | |
| 105 | |
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