// 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.

// @dart = 2.9

/// @assertion NetworkInterface multicastInterface
/// Set or get, the network interface used for outgoing multicast packages.
///
/// A value of null indicate that the system chooses the network interface to
/// use.
///
/// By default this value is null
///
/// @description Checks the multicastInterface property.
/// @issue 17057
/// @author ngl@unipro.ru

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

check(InternetAddress address) {
  asyncStart();
  RawDatagramSocket.bind(address, 0).then((socket) {
    Expect.equals(null, socket.multicastInterface);
    socket.multicastInterface = null;
    Expect.equals(null, socket.multicastInterface);
    socket.close();
    asyncEnd();
  });
}

main() {
  check(InternetAddress.anyIPv4);
  check(InternetAddress.anyIPv6);
  check(InternetAddress.loopbackIPv4);
  check(InternetAddress.loopbackIPv6);
}