byte b4 = readAndCheckByte();
    byte b5 = readAndCheckByte();
    byte b6 = readAndCheckByte();
    byte b7 = readAndCheckByte();
    byte b8 = readAndCheckByte();

    return Longs.fromBytes(b8, b7, b6, b5, b4, b3, b2, b1);
  }

  /**
   * Reads a {@code float} as specified by {@link DataInputStream#readFloat()}, except using
   * little-endian byte order.
   *

/**
 * SMB1 COM_LOCKING_ANDX command implementation.
 *
 * This command locks or unlocks byte ranges within a file. It can also
 * be used to break oplocks and change oplock levels.
 *
 * @author mbechler
 */
public class SmbComLockingAndX extends AndXServerMessageBlock {

    private int fid;
    private byte typeOfLock;
    private byte newOpLockLevel;
    private long timeout;
    private LockingAndXRange[] locks;

     */
    public HandleGuid(UUID uuid) {
        this.guid = uuid;
    }

    /**
     * Convert the GUID to byte array for wire format (little-endian as per MS-SMB2)
     * @return 16-byte array representing the GUID in SMB wire format
     */
    public byte[] toBytes() {
        byte[] result = new byte[16];
        ByteBuffer bb = ByteBuffer.wrap(result).order(java.nio.ByteOrder.LITTLE_ENDIAN);

     * This tests the underlying SMBUtil.readInt8 behavior.
     */
    @Test
    public void testGetTimestampNegative() {
        long expectedTimestamp = -1L; // Represents all bits set to 1 for an 8-byte long
        byte[] rawBytes = new byte[8];
        SMBUtil.writeInt8(expectedTimestamp, rawBytes, 0);
        AvTimestamp avTimestamp = new AvTimestamp(rawBytes);

        assertEquals(expectedTimestamp, avTimestamp.getTimestamp());
    }

        // Verify content
        assertArrayEquals(new byte[] { (byte) 0xFF, 0x01, 0x02, 0x03, 0x00 }, dest, "Encoded bytes should be placed at the correct offset");
    }

    @Test
    void testEncodeZeroLength() {
        // Test encoding with zero length
        byte[] data = { 0x01, 0x02, 0x03 };
        ByteEncodable encodable = new ByteEncodable(data, 0, 0);
        byte[] dest = new byte[3];

    @DisplayName("Test writeUTime with zero time")
    void testWriteUTimeWithZeroTime() {
        byte[] dst = new byte[4];

        SMB1SigningDigest.writeUTime(mockConfig, 0L, dst, 0);

        assertEquals((byte) 0xFF, dst[0]);
        assertEquals((byte) 0xFF, dst[1]);
        assertEquals((byte) 0xFF, dst[2]);
        assertEquals((byte) 0xFF, dst[3]);
    }

    @Test
    @DisplayName("Test writeUTime with max time")

        void testReadParametersWireFormat() {
            byte[] buffer = new byte[10];
            int result = response.readParametersWireFormat(buffer, 0, 2);
            assertEquals(2, result);
        }

        @Test
        @DisplayName("Should write setup wire format")
        void testWriteSetupWireFormat() {
            byte[] buffer = new byte[100];
            int result = response.writeSetupWireFormat(buffer, 0);

            buffer[2] = 0x01; // Oplock level
            buffer[3] = (byte) 0xAA; // Reserved byte

            // Reserved2 field (4 bytes at offset 4)
            buffer[4] = (byte) 0xBB;
            buffer[5] = (byte) 0xCC;
            buffer[6] = (byte) 0xDD;
            buffer[7] = (byte) 0xEE;

            byte[] fileId = createTestData(16);
            System.arraycopy(fileId, 0, buffer, 8, 16);

        if (byte2 > (byte) 0xBF
            // Check that 1 <= plane <= 16. Tricky optimized form of:
            // if (byte1 > (byte) 0xF4
            //     || byte1 == (byte) 0xF0 && byte2 < (byte) 0x90
            //     || byte1 == (byte) 0xF4 && byte2 > (byte) 0x8F)
            || (((byte1 << 28) + (byte2 - (byte) 0x90)) >> 30) != 0
            // Third byte trailing-byte test
            || bytes[index++] > (byte) 0xBF

        byte[] maxGuid = new byte[16];
        Arrays.fill(maxGuid, (byte) 0xFF);

        ValidateNegotiateInfoRequest request =
                new ValidateNegotiateInfoRequest(DEFAULT_CAPABILITIES, maxGuid, DEFAULT_SECURITY_MODE, defaultDialects);

        byte[] buffer = new byte[request.size()];
        request.encode(buffer, 0);

        // Verify max GUID
        byte[] extractedGuid = new byte[16];