| // 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 toDouble() |
| /// @description Checks [:toDouble():] on special values. |
| /// @author pagolubev |
| |
| import "../../../Utils/expect.dart"; |
| |
| inner_check(d) { |
| var v = d.toDouble(); |
| Expect.isTrue(v is double); |
| Expect.equals(v, d); |
| } |
| |
| check(double d) { |
| inner_check(d); |
| inner_check(-d); |
| } |
| |
| main() { |
| check(.0); |
| check(-.0); |
| check(4.9406564584124654e-324); // min subnormal |
| check(2.2250738585072014e-308); // min normal |
| check(1.7976931348623157e308); // max normal |
| check(1 / 0); |
| Expect.isTrue((0 / 0).toDouble().isNaN); |
| } |
