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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 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 | 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 testing params. | 4 // Dart test program for testing params. |
| 5 // | 5 // |
| 6 // Tests 'identical' for cases that not supported in dart2js (bigint, | 6 // Tests 'identical' for cases that not supported in dart2js (bigint, |
| 7 // disambiguation int/double). | 7 // disambiguation int/double). |
| 8 | 8 |
| 9 import "package:expect/expect.dart"; | 9 import "package:expect/expect.dart"; |
| 10 | 10 |
| 11 main() { | 11 main() { |
| 12 for (int i = 0; i < 1000; i++) testNumberIdentity(); | 12 for (int i = 0; i < 1000; i++) testNumberIdentity(); |
| 13 } | 13 } |
| 14 | 14 |
| 15 | 15 testNumberIdentity() { |
| 16 testNumberIdentity () { | |
| 17 const int smi = 8; | 16 const int smi = 8; |
| 18 const int bigint = 22107138293752210713829375; | 17 const int bigint = 22107138293752210713829375; |
| 19 const double dbl = 8.0; | 18 const double dbl = 8.0; |
| 20 // No int/double differences in dart2js. | 19 // No int/double differences in dart2js. |
| 21 var a = smi + 0; | 20 var a = smi + 0; |
| 22 Expect.isFalse(identical(a, dbl)); | 21 Expect.isFalse(identical(a, dbl)); |
| 23 a = dbl + 0.0; | 22 a = dbl + 0.0; |
| 24 Expect.isFalse(identical(a, smi)); | 23 Expect.isFalse(identical(a, smi)); |
| 25 | 24 |
| 26 a = bigint; | 25 a = bigint; |
| 27 var b = a + 0; | 26 var b = a + 0; |
| 28 Expect.isTrue(identical(a, b)); | 27 Expect.isTrue(identical(a, b)); |
| 29 b = a + 1; | 28 b = a + 1; |
| 30 Expect.isFalse(identical(a, b)); // Fails with dart2js. | 29 Expect.isFalse(identical(a, b)); // Fails with dart2js. |
| 31 } | 30 } |
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