| // Copyright (c) 2011, 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. |
| |
| /** |
| * @assertion abstract double truncateToDouble() |
| * Returns the integer obtained by discarding any fractional digits from this. |
| * @description Checks truncation of special values. |
| * @author pagolubev |
| */ |
| import "../../../Utils/expect.dart"; |
| |
| check(double expected, double argument) { |
| Expect.equals(expected, argument.truncateToDouble()); |
| Expect.equals(-expected, (-argument).truncateToDouble()); |
| } |
| |
| main() { |
| check(.0, .0); |
| check(-.0, -.0); |
| check(.0, 4.9406564584124654e-324); // min subnormal |
| check(.0, 2.2250738585072014e-308); // min normal |
| } |
