}

    @Test
    @DisplayName("Should initially have zero data length")
    void testInitialDataLength() {
        // Then
        assertEquals(0, response.getDataLength());
    }

    @Test
    @DisplayName("Should initially have zero data remaining")
    void testInitialDataRemaining() {
        // Then
        assertEquals(0, response.getDataRemaining());
    }

     */
    public void adjustOffset(final int n) {
        this.offset += n;
    }

    /**
     * Gets the data length.
     *
     * @return the dataLength
     */
    public final int getDataLength() {
        return this.dataLength;
    }

    /**
     * Gets the data offset.
     *
     * @return the dataOffset
     */
    public final int getDataOffset() {
        return this.dataOffset;

            SmbFileInputStream in = newStream();

            // Arrange SMB2 response to return 3 bytes
            Smb2ReadResponse smb2Resp = mock(Smb2ReadResponse.class);
            when(smb2Resp.getDataLength()).thenReturn(3);
            when(mockTree.send(any(Request.class), any(RequestParam.class))).thenAnswer(inv -> (CommonServerMessageBlockResponse) smb2Resp);

            byte[] buf = new byte[16];

                        try {
                            final Smb2ReadResponse resp = th.send(request, RequestParam.NO_RETRY);
                            n = resp.getDataLength();
                        } catch (final SmbException e) {
                            if (e.getNtStatus() == 0xC0000011) { // NT_STATUS_END_OF_FILE
                                log.debug("Reached end of file", e);

             */
            final SmbComReadAndXResponse raxr = (SmbComReadAndXResponse) msg;
            final int length = msg.getLength() - raxr.getDataLength();
            update(data, index, length - SmbConstants.SIGNATURE_OFFSET - 8);
            update(raxr.getData(), raxr.getOffset(), raxr.getDataLength());
        } else {
            update(data, index, msg.getLength() - SmbConstants.SIGNATURE_OFFSET - 8);
        }

        this.outputBufferOffset = outputBufferOffset;
    }

    /**
     * Gets the number of bytes actually read
     *
     * @return the dataLength
     */
    public int getDataLength() {
        return this.dataLength;
    }

    /**
     * Gets the number of bytes remaining to be read
     *
     * @return the dataRemaining
     */
    public int getDataRemaining() {

    }

    public int getDataOffset() {
        return dataOffset;
    }

    public void setDataOffset(int dataOffset) {
        this.dataOffset = dataOffset;
    }

    public int getDataLength() {
        return dataLength;
    }

    public void setDataLength(int dataLength) {
        this.dataLength = dataLength;
    }

    @Override
    public String toString() {

                    request.setRemainingBytes(len - off);
                    try {
                        final Smb2ReadResponse resp = th.send(request, RequestParam.NO_RETRY);
                        n = resp.getDataLength();
                    } catch (final SmbException e) {
                        if (e.getNtStatus() != 0xC0000011) {
                            throw e;
                        }

        when(readResponse.getCommand()).thenReturn((int) ServerMessageBlock.SMB_COM_READ_ANDX);
        when(readResponse.getLength()).thenReturn(100);
        when(readResponse.getDataLength()).thenReturn(50);
        when(readResponse.getData()).thenReturn(readData);
        when(readResponse.getOffset()).thenReturn(0);

        boolean result = digest.verify(data, 0, data.length, 0, readResponse);

                    channel.getTransport().send(request);
                
                System.arraycopy(response.getData(), 0, buffer, 
                    chunkOffset, response.getDataLength());
                    
            } catch (Exception e) {
                throw new CompletionException(e);
            }
        });
        
        futures.add(future);
    }