| // 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. |
| |
| // @dart = 2.9 |
| |
| import "package:expect/expect.dart"; |
| |
| var myIdentical = identical; |
| |
| main() { |
| // Mint (2^63). |
| // TODO(rnystrom): Figure out how to change this to work on the web. |
| Expect.isTrue(myIdentical(0x8000000000000000, 0x8000000000000000)); |
| Expect.isFalse(myIdentical(0x8000000000000000, 0x8000000000000001)); |
| |
| // Different types. |
| Expect.isFalse(myIdentical(42, 42.0)); |
| |
| // NaN handling. |
| Expect.isTrue(myIdentical(double.nan, double.nan)); |
| } |