// Then
        assertEquals(4, bytesWritten);
        assertEquals(SmbComTransaction.TRANS_CALL_NAMED_PIPE, dst[0]);
        assertEquals((byte) 0x00, dst[1]);
        assertEquals((byte) 0x00, dst[2]);
        assertEquals((byte) 0x00, dst[3]);
    }

    @Test
    @DisplayName("Test writeSetupWireFormat with offset")
    void testWriteSetupWireFormatWithOffset() {
        // Given

        // Then
        assertTrue(result > 0);
        assertEquals((byte) 0x04, dst[0]); // First buffer format byte

        // Find the second buffer format byte
        int secondBufferFormatIndex = oldFileName.length() + 2; // 1 for first 0x04, 1 for null terminator
        assertEquals((byte) 0x04, dst[secondBufferFormatIndex]);
    }

    /**
     * Test writeBytesWireFormat with Unicode encoding

        // Given
        int testType = 0x20; // Server service
        when(mockNetbiosName.getNameType()).thenReturn(testType);

        // When
        int nameType = mockNetbiosName.getNameType();

        // Then
        assertEquals(testType, nameType);
        verify(mockNetbiosName).getNameType();
    }

    @ParameterizedTest
    @ValueSource(ints = { 0x00, 0x03, 0x06, 0x1B, 0x1C, 0x1D, 0x1E, 0x20 })

     */

    public static final int H_NODE = 3;

    /**
     * Unknown MAC Address
     */
    public static final byte[] UNKNOWN_MAC_ADDRESS = { (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00 };

    Name hostName;
    int address, nodeType;
    boolean groupName, isBeingDeleted, isInConflict, isActive, isPermanent, isDataFromNodeStatus;
    byte[] macAddress;

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

        // Then
        assertEquals(4, bytesWritten);

        // Expected wire format: [0x04, 0x00, 0x00, 0x00]
        byte[] expected = new byte[] { 0x04, 0x00, 0x00, 0x00 };
        assertArrayEquals(expected, buffer);
    }

    @Test
    @DisplayName("Should always return 0 for readBytesWireFormat")
    void testReadBytesWireFormat() {

        // Given
        byte[] buffer = new byte[256];

        // Write exact structure size value (4)
        buffer[0] = 0x04;
        buffer[1] = 0x00;
        buffer[2] = 0x00;
        buffer[3] = 0x00;

        // When
        int bytesRead = response.readBytesWireFormat(buffer, 0);

        // Then
        assertEquals(4, bytesRead);
    }

    static final byte[] header = { (byte) 0xFF, (byte) 'S', (byte) 'M', (byte) 'B', (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
            (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
            (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00 };

    static void writeInt2(final long val, final byte[] dst, int dstIndex) {

@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);
    }

    @Test

        @Test
        @DisplayName("Various byte values are converted to uppercase hex")
        void testHexConversion() {
            byte[] challenge = new byte[] { (byte) 0x00, (byte) 0x0F, (byte) 0x10, (byte) 0x7F, (byte) 0x80, (byte) 0xFF };
            UniAddress dc = mock(UniAddress.class);
            when(dc.toString()).thenReturn("DC");

            NtlmChallenge nc = new NtlmChallenge(challenge, dc);

        bufferIndex++;
        server.security = server.securityMode & 0x01;
        server.encryptedPasswords = (server.securityMode & 0x02) == 0x02;
        server.signaturesEnabled = (server.securityMode & 0x04) == 0x04;
        server.signaturesRequired = (server.securityMode & 0x08) == 0x08;
        server.maxMpxCount = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        server.maxNumberVcs = readInt2(buffer, bufferIndex);