| // 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. |
| |
| // Dart test program for testing NaN and Infinity. |
| |
| void main() { |
| Expect.isTrue(double.NAN.isNaN); |
| Expect.isFalse(double.NAN.isInfinite); |
| Expect.isFalse(double.INFINITY.isNaN); |
| Expect.isTrue(double.INFINITY.isInfinite); |
| Expect.isFalse(double.NEGATIVE_INFINITY.isNaN); |
| Expect.isTrue(double.NEGATIVE_INFINITY.isInfinite); |
| Expect.equals("NaN", double.NAN.toString()); |
| Expect.equals("Infinity", double.INFINITY.toString()); |
| Expect.equals("-Infinity", double.NEGATIVE_INFINITY.toString()); |
| Expect.isFalse(double.NAN == double.NAN); |
| Expect.isTrue(double.INFINITY == double.INFINITY); |
| Expect.isTrue(double.NEGATIVE_INFINITY == double.NEGATIVE_INFINITY); |
| Expect.isFalse(double.NAN < double.NAN); |
| Expect.isFalse(double.NAN < double.INFINITY); |
| Expect.isFalse(double.NAN < double.NEGATIVE_INFINITY); |
| Expect.isFalse(double.NAN > double.NAN); |
| Expect.isFalse(double.NAN > double.INFINITY); |
| Expect.isFalse(double.NAN > double.NEGATIVE_INFINITY); |
| Expect.isFalse(double.NAN == double.NAN); |
| Expect.isFalse(double.NAN == double.INFINITY); |
| Expect.isFalse(double.NAN == double.NEGATIVE_INFINITY); |
| Expect.isFalse(double.INFINITY < double.NAN); |
| Expect.isFalse(double.NEGATIVE_INFINITY < double.NAN); |
| Expect.isFalse(double.INFINITY > double.NAN); |
| Expect.isFalse(double.NEGATIVE_INFINITY > double.NAN); |
| Expect.isFalse(double.INFINITY == double.NAN); |
| Expect.isFalse(double.NEGATIVE_INFINITY == double.NAN); |
| Expect.isTrue((3.0 * double.NAN).isNaN); |
| Expect.isTrue(double.INFINITY > double.NEGATIVE_INFINITY); |
| } |