content: /*
   * Copyright (c) 2015, 2020, Oracle and/or its affiliates.
   *
   * This program is free software; you can redistribute it and/or modify it under
   * the terms of the GNU General Public License, version 2.0, as published by the
   * Free Software Foundation.
   *
   * This program is also distributed with certain software (including but not
   * limited to OpenSSL) that is licensed under separate terms, as designated in a
   * particular file or component or in included license documentation. The
   * authors of MySQL hereby grant you an additional permission to link the
   * program and your derivative works with the separately licensed software that
   * they have included with MySQL.
   *
   * Without limiting anything contained in the foregoing, this file, which is
   * part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
   * version 1.0, a copy of which can be found at
   * http://oss.oracle.com/licenses/universal-foss-exception.
   *
   * This program is distributed in the hope that it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
   * FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0,
   * for more details.
   *
   * You should have received a copy of the GNU General Public License along with
   * this program; if not, write to the Free Software Foundation, Inc.,
   * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
   */
  
  package com.mysql.cj.protocol.a;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  import com.mysql.cj.protocol.MessageSender;
  
  /**
   * Common functionality for packet sender tests.
   */
  public class PacketSenderTestBase {
      /**
       * Get a no-op packet sender that can be used when testing decorators.
       * 
       * @return a MessageSender
       */
      protected MessageSender<NativePacketPayload> getNoopPacketSender() {
          return new MessageSender<NativePacketPayload>() {
              public void send(byte[] packet, int packetLen, byte packetSequence) throws java.io.IOException {
                  // no-op
              }
  
              @Override
              public MessageSender<NativePacketPayload> undecorateAll() {
                  return this;
              }
  
              @Override
              public MessageSender<NativePacketPayload> undecorate() {
                  return this;
              }
          };
      }
  
      protected void fillPacketSequentially(byte[] packet) {
          for (int i = 0; i < packet.length; ++i) {
              packet[i] = (byte) i;
          }
      }
  
      protected void checkSequentiallyFilledPacket(byte[] packet, int offset, int len) {
          for (int i = 0; i < len; ++i) {
              assertEquals((byte) i, packet[offset + i]);
          }
      }
  }
  