LibTest/core/double/roundToDouble_A02_t01.dart

// 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 = 2.9

/// @assertion abstract double roundToDouble()
/// If this is not finite (NaN or infinity), returns this object unchanged.
/// @description Checks that [:roundToDouble():] on NaN returns NaN.
/// @needsreview #16102
/// @author pagolubev

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

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