| // 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 double abs() |
| /// @description Checks that if the value is negative, its negation is returned. |
| /// @author pagolubev |
| |
| import "../../../Utils/expect.dart"; |
| |
| check(double arg) { |
| Expect.isTrue(arg < 0); |
| Expect.equals(-arg, arg.abs()); |
| } |
| |
| main() { |
| check(-1.21321); |
| check(-123.5463); |
| check(-74353.672); |
| check(-145.643); |
| check(-342123.4); |
| check(-4.9406564584124654e-324); // min double |
| check(-2.2250738585072014e-308); // min normal |
| check(-1.7976931348623157e308); // max normal |
| } |
