andx = null;

            dst[start + ANDX_COMMAND_OFFSET] = (byte) 0xFF;
            dst[start + ANDX_RESERVED_OFFSET] = (byte) 0x00;
            //            dst[start + ANDX_OFFSET_OFFSET] = (byte)0x00;
            //            dst[start + ANDX_OFFSET_OFFSET + 1] = (byte)0x00;
            dst[start + ANDX_OFFSET_OFFSET] = (byte) 0xde;
            dst[start + ANDX_OFFSET_OFFSET + 1] = (byte) 0xde;

            dstIndex += 2;
            writeInt2(ntHash.length, dst, dstIndex);
        }
        dstIndex += 2;
        dst[dstIndex] = (byte) 0x00;
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00;
        dst[dstIndex++] = (byte) 0x00;
        dst[dstIndex++] = (byte) 0x00;
        writeInt4(capabilities, dst, dstIndex);
        dstIndex += 4;

        return dstIndex - start;
    }

    @Override

        ByteBuffer bb = ByteBuffer.allocate(8).order(ByteOrder.LITTLE_ENDIAN);
        bb.putShort((short) fid);
        bb.put((byte) 0x00); // Reserved
        bb.put((byte) 0x00); // Reserved
        bb.putInt(securityInformation);
        return bb.array();
    }

    /**
     * Provide a range of values that are valid for the constructor.
     */

        this.filename = filename;
        command = SMB_COM_TRANSACTION2;
        subCommand = TRANS2_FIND_NEXT2;
        informationLevel = Trans2FindFirst2.SMB_FILE_BOTH_DIRECTORY_INFO;
        flags = 0x00;
        maxParameterCount = 8;
        maxDataCount = Trans2FindFirst2.LIST_SIZE;
        maxSetupCount = 0;
    }

    @Override
    void reset(final int resumeKey, final String lastName) {
        super.reset();

     * The header format is:
     * - Byte 0: Message type (0x00 for SESSION_MESSAGE)
     * - Byte 1: High bit of 17-bit length field
     * - Bytes 2-3: Lower 16 bits of length field
     */
    private static byte[] messageHeader(int length) {
        byte[] h = new byte[4];
        h[0] = (byte) SessionServicePacket.SESSION_MESSAGE;
        h[1] = (byte) ((length >> 16) & 0x01);
        h[2] = (byte) ((length >> 8) & 0xFF);

        return 0;
    }

    @Override
    int writeBytesWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;

        dst[dstIndex] = (byte) 0x04;
        dstIndex++;
        dstIndex += writeString(path, dst, dstIndex);

        return dstIndex - start;
    }

    @Override
    int readParameterWordsWireFormat(final byte[] buffer, final int bufferIndex) {

        // Expected format: buffer format (1 byte) + file name (null-terminated)
        int expectedLength = 1 + TEST_FILE_NAME.length() + 1;
        assertEquals(expectedLength, bytesWritten);
        assertEquals(0x04, dst[0]); // Buffer format
        assertEquals(TEST_FILE_NAME, new String(dst, 1, TEST_FILE_NAME.length()));
    }

    @Test
    public void testReadParameterWordsWireFormat() {

    void testConstructor() throws Exception {
        Trans2GetDfsReferral cmd = new Trans2GetDfsReferral("/file");
        assertEquals("/file", getPrivateField(cmd, "path"));
        assertEquals((byte) 0x00, getPrivateField(cmd, "maxSetupCount"));
        assertEquals(4096, getPrivateField(cmd, "maxDataCount"));
    }

    @Test
    @DisplayName("writeSetupWireFormat writes subCommand and padding")

@DisplayName("Hexdump Utility Tests")
class HexdumpTest extends BaseTest {

    @Test
    @DisplayName("Should convert byte array to hex string")
    void testToHexString() {
        // Given
        byte[] data = { 0x00, 0x0F, (byte) 0xFF, 0x7F, (byte) 0x80 };

        // When
        String result = Hexdump.toHexString(data);

        // Then
        assertNotNull(result);
        assertEquals("000FFF7F80", result);
    }

        isBroadcast = false;
    }

    @Override
    int writeBodyWireFormat(final byte[] dst, final int dstIndex) {
        final int tmp = questionName.hexCode;
        questionName.hexCode = 0x00; // type has to be 0x00 for node status
        final int result = writeQuestionSectionWireFormat(dst, dstIndex);
        questionName.hexCode = tmp;
        return result;
    }

    @Override