}

        @Test
        @DisplayName("Should decode at non-zero offset")
        void testDecodeWithOffset() throws SMBProtocolDecodingException {
            int offset = 50;
            SMBUtil.writeInt2(1, buffer, offset);
            SMBUtil.writeInt2(EncryptionNegotiateContext.CIPHER_AES128_GCM, buffer, offset + 2);

            EncryptionNegotiateContext context = new EncryptionNegotiateContext();

        byte[] buffer = new byte[256];
        int offset = 10;

        // When
        int bytesWritten = request.writeBytesWireFormat(buffer, offset);

        // Then
        assertEquals(4, bytesWritten);

        // Verify structure size (4) is written at offset
        assertEquals(4, SMBUtil.readInt2(buffer, offset));

        // Verify reserved field (0) is written at offset + 2

        this.offset = offset;
        this.maxCount = minCount = maxCount;
        command = SMB_COM_READ_ANDX;
        openTimeout = 0xFFFFFFFF;
    }

    void setParam(final int fid, final long offset, final int maxCount) {
        this.fid = fid;
        this.offset = offset;
        this.maxCount = minCount = maxCount;
    }

    @Override
    int getBatchLimit(final byte command) {

    /**
     * Return the byte or character offset into the input source this location
     * is pointing to. If the input source is a file or a byte stream then
     * this is the byte offset into that stream, but if the input source is
     * a character media then the offset is the character offset.
     * Returns -1 if there is no offset available.
     * @return the current offset
     */
    int getCharacterOffset();

    /**

        // Validate input parameters
        if (data == null) {
            log.error("Data buffer is null in verify");
            return false;
        }
        if (offset < 0 || length < 0) {
            log.error("Invalid offset or length in verify: offset={}, length={}", offset, length);
            return false;

	{dataBlocks: 4, onDisks: 8, offDisks: 2, blocksize: int64(blockSizeV2), data: oneMiByte, offset: 2, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false},                 // 2

            Smb2Lock lock3 = new Smb2Lock(500L, 600L, 4);

            int offset = 0;
            offset += lock1.encode(buffer, offset);
            offset += lock2.encode(buffer, offset);
            offset += lock3.encode(buffer, offset);

            assertEquals(72, offset); // 3 * 24

            // Verify first lock
            assertEquals(100L, SMBUtil.readInt8(buffer, 0));

        // Encode test data at offset
        int offset = bufferIndex;
        SMBUtil.writeInt4(idFileSystem, buffer, offset);
        offset += 4;
        SMBUtil.writeInt4(sectPerAlloc, buffer, offset);
        offset += 4;
        SMBUtil.writeInt4((int) alloc, buffer, offset);
        offset += 4;
        SMBUtil.writeInt4((int) free, buffer, offset);
        offset += 4;

     * @param offset the offset in the buffer where data starts
     * @param len the length of data to digest
     */
    public void update(final byte[] input, final int offset, final int len) {
        if (LogStream.level >= 5) {
            log.println("update: " + updates + " " + offset + ":" + len);
            Hexdump.hexdump(log, input, offset, Math.min(len, 256));
            log.flush();

            assertEquals(descrBytes[i], dst[offset + i]);
        }
        offset += descrBytes.length;

        // 3. Level (2 bytes)
        assertEquals(0x0001, SMBUtil.readInt2(dst, offset));
        offset += 2;

        // 4. MaxDataCount (2 bytes)
        int maxDataCount = SMBUtil.readInt2(dst, offset);
        assertTrue(maxDataCount > 0);
        offset += 2;

        // Verify total bytes written