| // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| import "package:expect/expect.dart"; |
| |
| var myIdentical = identical; |
| |
| class Point { |
| num x, y; |
| Point(this.x, this.y); |
| } |
| |
| main() { |
| // Bigint (2^76). |
| Expect.isTrue(myIdentical(75557863725914323419136, |
| 75557863725914323419136)); |
| Expect.isFalse(myIdentical(75557863725914323419136, |
| 75557863725914323419137)); |
| |
| // Different types. |
| Expect.isFalse(myIdentical(42, 42.0)); |
| |
| // NaN handling. |
| Expect.isTrue(myIdentical(double.NAN, double.NAN)); |
| } |