LibTest/io/RawDatagramSocket/send_A02_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.

/// @assertion int send(List<int> buffer, InternetAddress address, int port)
/// Send a datagram.
///
/// Returns the number of bytes written. This will always be either the size of
/// buffer or 0.
///
/// @description Checks that method send returns either the size of buffer or 0.
/// Test the case when buffer length is greater then a maximum length of a
/// datagram which can be received
/// @author ngl@unipro.ru
/// @issue 31873

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

var localhost = InternetAddress.loopbackIPv4;

main() async {
  RawDatagramSocket producer = await RawDatagramSocket.bind(localhost, 0);
  RawDatagramSocket receiver = await RawDatagramSocket.bind(localhost, 0);
  int listSize = 100000;
  List<int> toSend = getList(listSize);
  int sent = await sendDatagram(producer, toSend, localhost, receiver.port);
  Expect.isTrue(0 == sent || listSize == sent,
      "Wrong number of sent bytes $sent");
  producer.close();
  receiver.close();
}