}
        final int pageSize = params.getPageSize();
        final int startPosition = params.getStartPosition();
        if (startPosition * 2 >= windowSize) {
            int offset = params.getOffset();
            if (offset < 0) {
                offset = 0;
            } else if (offset > windowSize / 2) {
                offset = windowSize / 2;
            }
            int start = startPosition - offset;

     *
     * @return The page size.
     */
    public abstract int getPageSize();

    /**
     * Returns the offset.
     *
     * @return The offset.
     */
    public abstract int getOffset();

    /**
     * Returns the extra queries.
     *
     * @return The extra queries.
     */
    public abstract String[] getExtraQueries();

    /**
     * Returns the attribute.
     *

            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);
        }
        final byte[] signature = digest();
        for (int i = 0; i < 8; i++) {

        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);
        assertTrue(result); // Signature mismatch expected
    }

    @Test

    public int getStart() {
        return start;
    }

    /**
     * Gets the offset value used for pagination calculations.
     *
     * @return the offset value
     */
    public int getOffset() {
        return offset;
    }

    /**
     * Gets the number of records per page.
     *
     * @return the page size
     */
    public int getPageSize() {
        return pageSize;

                    h.send(seekReq, seekResp);
                    if (log.isDebugEnabled() && seekResp.getOffset() != fileSize) {
                        log.debug(String.format("Open returned wrong size %d != %d", fileSize, seekResp.getOffset()));
                    }
                    fileSize = seekResp.getOffset();
                } catch (final Exception e) {
                    log.debug("Seek failed", e);

                    readn(this.in, buffer, 4 + off, pad);
                }

                if (r.getDataLength() > 0) {
                    readn(this.in, r.getData(), r.getOffset(), r.getDataLength()); /* read direct */
                }
            } else {
                readn(this.in, buffer, 4 + SMB1_HEADER_LENGTH, size - SMB1_HEADER_LENGTH);
                resp.decode(buffer, 4);