// 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 unary-()
/// @description Checks [:unary-():] on a NaN.
/// @author pagolubev
/// @reviewer msyabro

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

main() {
  double nan = double.nan;
  Expect.isTrue((-nan).isNaN);
  Expect.isTrue((-(-nan)).isNaN);
}