/**
     * Compression algorithm constants matching SMB3 specification.
     */
    public static final int COMPRESSION_NONE = 0x0;
    public static final int COMPRESSION_LZ77 = 0x1;
    public static final int COMPRESSION_LZ77_HUFFMAN = 0x2;
    public static final int COMPRESSION_LZNT1 = 0x3;
    public static final int COMPRESSION_PATTERN_V1 = 0x4;

    /**
     * Compresses data using the specified algorithm.
     *

        return 4;
    }

    @Override
    protected int readSetupWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    protected int writeParametersWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    protected int writeDataWireFormat(final byte[] dst, final int dstIndex) {
        if (dst.length - dstIndex < this.pipeDataLen) {

    static byte[] readSecurityBuffer(final byte[] src, final int index) {
        final int length = readUShort(src, index);
        final int offset = readULong(src, index + 4);
        final byte[] buffer = new byte[length];
        System.arraycopy(src, offset, buffer, 0, length);
        return buffer;
    }

    static void writeULong(final byte[] dest, final int offset, final int ulong) {
        dest[offset] = (byte) (ulong & 0xff);

      }
    }
  }

  private static class Sink extends AbstractStreamingHasher {
    final int chunkSize;
    final int bufferSize;
    final ByteArrayOutputStream out = new ByteArrayOutputStream();

    int processCalled = 0;
    boolean remainingCalled = false;

    Sink(int chunkSize, int bufferSize) {
      super(chunkSize, bufferSize);
      this.chunkSize = chunkSize;

    void testWriteDataWireFormatWithOffsetAndLength() {
        // Given
        int dataOffset = 2;
        int dataLength = 5;
        transCallNamedPipe = new TransCallNamedPipe(mockConfig, TEST_PIPE_NAME, TEST_DATA, dataOffset, dataLength);
        byte[] dst = new byte[100];
        int dstIndex = 10;

        // When
        int bytesWritten = transCallNamedPipe.writeDataWireFormat(dst, dstIndex);

        // Then

        void testEncodeWithOffset() {
            String path = "\\\\test";
            int maxReferralLevel = 5;
            buffer = new DfsReferralRequestBuffer(path, maxReferralLevel);

            int offset = 10;
            byte[] dst = new byte[offset + buffer.size()];
            int bytesEncoded = buffer.encode(dst, offset);

            assertEquals(buffer.size(), bytesEncoded);

        this.timeoutSpecified = true;
        this.timeout = timeout;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Encodable#encode(byte[], int)
     */
    @Override
    public int encode(final byte[] dst, int dstIndex) {
        final int start = dstIndex;
        SMBUtil.writeInt8(this.timeout, dst, dstIndex);
        dstIndex += 8;
        SMBUtil.writeInt4(this.nameBytes.length, dst, dstIndex);

   *     such index exists.
   */
  public static int indexOf(char[] array, char target) {
    return indexOf(array, target, 0, array.length);
  }

  // TODO(kevinb): consider making this public
  private static int indexOf(char[] array, char target, int start, int end) {
    for (int i = start; i < end; i++) {
      if (array[i] == target) {
        return i;
      }
    }

    }

    @Override
    protected int readSetupWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    protected int readParametersWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

    @Override
    protected int readDataWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;
    }

     *
     * @see jcifs.internal.smb2.ServerMessageBlock2#readBytesWireFormat(byte[], int)
     */
    @Override
    protected int readBytesWireFormat(final byte[] buffer, int bufferIndex) throws SMBProtocolDecodingException {
        final int start = bufferIndex;

        final int structureSize = SMBUtil.readInt2(buffer, bufferIndex);
        if (structureSize != 9) {