assertFalse(len2.matches(c));
    }
    assertTrue(len3.matches('a'));
    assertTrue(len3.matches('b'));
    assertTrue(len3.matches('c'));
    for (char c = 'd'; c < 'z'; c++) {
      assertFalse(len3.matches(c));
    }
    assertTrue(len4.matches('a'));
    assertTrue(len4.matches('b'));
    assertTrue(len4.matches('c'));
    assertTrue(len4.matches('d'));

      assertFalse(len2.matches(c));
    }
    assertTrue(len3.matches('a'));
    assertTrue(len3.matches('b'));
    assertTrue(len3.matches('c'));
    for (char c = 'd'; c < 'z'; c++) {
      assertFalse(len3.matches(c));
    }
    assertTrue(len4.matches('a'));
    assertTrue(len4.matches('b'));
    assertTrue(len4.matches('c'));
    assertTrue(len4.matches('d'));

  // (You know that it's either going to read len bytes or stop at EOF.)
  public static int read(InputStream in, byte[] b, int off, int len) throws IOException {
    checkNotNull(in);
    checkNotNull(b);
    if (len < 0) {
      throw new IndexOutOfBoundsException(String.format("len (%s) cannot be negative", len));
    }
    checkPositionIndexes(off, off + len, b.length);
    int total = 0;
    while (total < len) {

    }


    /**
     * Reads up to len bytes of data from this input stream into an array of bytes.
     *
     * @throws IOException
     *             if a network error occurs
     */

    @Override
    public int read ( byte[] b, int off, int len ) throws IOException {
        return readDirect(b, off, len);
    }


    /**

    }

/**
 * Reads up to len bytes of data from this input stream into an array of bytes.
 *
 * @throws IOException if a network error occurs
 */

    public int read( byte[] b, int off, int len ) throws IOException {
        return readDirect(b, off, len);
    }
    public int readDirect( byte[] b, int off, int len ) throws IOException {
        if( len <= 0 ) {
            return 0;
        }

        return 0;
    }


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


    @Override
    protected int readDataWireFormat ( byte[] buffer, int bufferIndex, int len ) throws SMBProtocolDecodingException {
        if ( len > this.outputBuffer.length ) {

    private byte[] pipeData;
    private int pipeDataOff, pipeDataLen;

    TransCallNamedPipe( String pipeName, byte[] data, int off, int len ) {
        name = pipeName;
        pipeData = data;
        pipeDataOff = off;
        pipeDataLen = len;
        command = SMB_COM_TRANSACTION;
        subCommand = TRANS_CALL_NAMED_PIPE;
        timeout = 0xFFFFFFFF;
        maxParameterCount = 0;

    public void update( byte[] input, int offset, int len ) {
        if( log.level >= 5 ) {
            log.println( "update: " + updates + " " + offset + ":" + len );
            Hexdump.hexdump( log, input, offset, Math.min( len, 256 ));
            log.flush();
        }
        if( len == 0 ) {
            return; /* CRITICAL */
        }
        digest.update( input, offset, len );
        updates++;
    }

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


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


    @Override
    protected int readDataWireFormat ( byte[] buffer, int bufferIndex, int len ) {
        int start = bufferIndex;

  // TODO(chrisn): Consider trying to encode/flush directly to the argument byte
  // buffer when possible.
  @Override
  public int read(byte[] b, int off, int len) throws IOException {
    // Obey InputStream contract.
    checkPositionIndexes(off, off + len, b.length);
    if (len == 0) {
      return 0;
    }

    // The rest of this method implements the process described by the CharsetEncoder javadoc.
    int totalBytesRead = 0;