// 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 operator -(num other)
/// @description Checks that if 'this' is positive infinity and 'other' is
/// negative infinity the result is positive infinity. If 'this' is negative
/// infinity and 'other' is positive infinity the result is negative infinity.
/// @author pagolubev

import "../../../Utils/expect.dart";

main() {  
  Expect.equals(double.infinity, double.infinity - double.negativeInfinity);
  Expect.equals(double.negativeInfinity,
      double.negativeInfinity - double.infinity);
}