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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 | |
5 import "package:expect/expect.dart"; | |
6 | |
7 var myIdentical = identical; | |
8 | |
9 class Point { | |
10 num x, y; | |
11 Point(this.x, this.y); | |
12 } | |
13 | |
14 main() { | |
15 // Bigint (2^76). | |
16 Expect.isTrue(myIdentical(75557863725914323419136, 75557863725914323419136)); | |
17 Expect.isFalse(myIdentical(75557863725914323419136, 75557863725914323419137)); | |
18 | |
19 // Different types. | |
20 Expect.isFalse(myIdentical(42, 42.0)); | |
21 | |
22 // NaN handling. | |
23 Expect.isTrue(myIdentical(double.NAN, double.NAN)); | |
24 } | |
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