| // Copyright (c) 2017, 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 T x |
| /// @description Checks that [x] returns the x coordinate of this point. |
| /// @author ngl@unipro.ru |
| |
| import "dart:math"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| var p = new Point(3.0, 5.0); |
| Expect.equals(3, p.x); |
| p = new Point(4.5, 5.0); |
| Expect.equals(4.5, p.x); |
| p = new Point(double.infinity, 5.0); |
| Expect.equals(double.infinity, p.x); |
| p = new Point(double.negativeInfinity, 5.0); |
| Expect.equals(double.negativeInfinity, p.x); |
| p = new Point(double.minPositive, 5.0); |
| Expect.equals(double.minPositive, p.x); |
| p = new Point(-double.minPositive, 5.0); |
| Expect.equals(-double.minPositive, p.x); |
| p = new Point(double.maxFinite, 5.0); |
| Expect.equals(double.maxFinite, p.x); |
| p = new Point(-double.maxFinite, 5.0); |
| Expect.equals(-double.maxFinite, p.x); |
| p = new Point(double.nan, 5.0); |
| Expect.notEquals(double.nan, p.x); |
| } |