LibTest/io/RawDatagramSocket/multicastLoopback_A01_t01.dart

// 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 bool multicastLoopback
/// Set or get, whether multicast traffic is looped back to the host.
///
/// By default multicast loopback is enabled.
///
/// @description Checks that multicastLoopback property may be get and set for
/// the RawDatagramSocket instance with an internet address used in a host
/// parameter of bind method.
/// @author ngl@unipro.ru

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

check(InternetAddress address) {
  asyncStart();
  RawDatagramSocket.bind(address, 0).then((socket) {
    Expect.isTrue(socket.multicastLoopback);
    socket.multicastLoopback = false;
    Expect.isFalse(socket.multicastLoopback);
    socket.close();
    asyncEnd();
  });
}

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