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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 // Dart test program for the "is" type test operator. | 4 // Dart test program for the "is" type test operator. |
5 | 5 |
6 interface I { } | 6 interface I { } |
7 | 7 |
8 interface AI extends I { } | 8 interface AI extends I { } |
9 | 9 |
10 class A implements AI { | 10 class A implements AI { |
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74 Expect.equals(true, null is !B); | 74 Expect.equals(true, null is !B); |
75 Expect.equals(true, null is !C); | 75 Expect.equals(true, null is !C); |
76 Expect.equals(true, null is !AI); | 76 Expect.equals(true, null is !AI); |
77 Expect.equals(true, null is !I); | 77 Expect.equals(true, null is !I); |
78 } | 78 } |
79 } | 79 } |
80 | 80 |
81 main() { | 81 main() { |
82 IsOperatorTest.testMain(); | 82 IsOperatorTest.testMain(); |
83 } | 83 } |
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