| /* |
| * 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 num pow(num x, num exponent) |
| * For doubles, pow(x, y) handles edge cases as follows: |
| * ... |
| * - if [x] is negative (but not -0.0) and [y] is a finite non-integer, the |
| * result is NaN. |
| * @description Checks that if [x] is a negative number and |
| * [y] is a finite non-integer, the result is NaN. |
| * @author pagolubev |
| * @reviewer msyabro |
| */ |
| |
| import "dart:math" as Math; |
| import "../../Utils/expect.dart"; |
| |
| main() { |
| Expect.isTrue(Math.pow(-1, 0.5).isNaN); |
| Expect.isTrue(Math.pow(-1, 1/3).isNaN); |
| |
| Expect.isTrue(Math.pow(-1.111, -0.5).isNaN); |
| Expect.isTrue(Math.pow(-1.111, -2/3).isNaN); |
| |
| Expect.isTrue(Math.pow(-4.9406564584124654e-324, -1.1).isNaN); |
| Expect.isTrue(Math.pow(-4.9406564584124654e-324, 0.5).isNaN); |
| } |