| // 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 test program for testing params. |
| // |
| // Tests 'identical' for cases that not supported in dart2js (bigint, |
| // disambiguation int/double). |
| |
| // @dart = 2.9 |
| |
| import "package:expect/expect.dart"; |
| |
| main() { |
| for (int i = 0; i < 1000; i++) testNumberIdentity(); |
| } |
| |
| testNumberIdentity() { |
| const int smi = 8; |
| const int mint = 9223372036854775807; |
| const double dbl = 8.0; |
| // No int/double differences in dart2js. |
| var a = smi + 0; |
| Expect.isFalse(identical(a, dbl)); |
| var c = dbl + 0.0; |
| Expect.isFalse(identical(c, smi)); |
| |
| a = mint; |
| var b = a + 0; |
| Expect.isTrue(identical(a, b)); |
| b = a + 1; |
| Expect.isFalse(identical(a, b)); // Fails with dart2js. |
| } |