final int start = bufferIndex;

        buffer[bufferIndex] = (byte) 0x00; // Reserved
        bufferIndex++;
        buffer[bufferIndex++] = (byte) 0x00; // Reserved
        buffer[bufferIndex++] = (byte) 0x00; // Reserved

        this.totalParameterCount = SMBUtil.readInt4(buffer, bufferIndex);
        if (this.bufDataStart == 0) {

 */
public class NameServiceClientImpl implements Runnable, NameServiceClient {

    private static final int NAME_SERVICE_UDP_PORT = 137;

    static final byte[] UNKNOWN_MAC_ADDRESS = { (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00 };

    private static final Logger log = LoggerFactory.getLogger(NameServiceClientImpl.class);

    private final Object LOCK = new Object();

    private int nbnsIndex = 0;

        final int start = dstIndex;

        SMBUtil.writeInt2(this.fid, dst, dstIndex);
        dstIndex += 2;
        dst[dstIndex] = (byte) 0x00; // Reserved
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00; // Reserved
        SMBUtil.writeInt4(this.securityInformation, dst, dstIndex);
        dstIndex += 4;
        return dstIndex - start;
    }

    @Override

    }

    @Test
    void testWriteHeaderReadHeader() {
        byte[] buffer = new byte[32];
        smb.command = ServerMessageBlock.SMB_COM_NEGOTIATE;
        smb.flags = (byte) 0x18;
        smb.flags2 = 0x0001;
        smb.tid = 1;
        smb.pid = 2;
        smb.uid = 3;
        smb.mid = 4;

        smb.writeHeaderWireFormat(buffer, 0);

        TestServerMessageBlock readSmb = new TestServerMessageBlock();

    private static final int FLAGS_REQUEST_OPLOCK = 0x02;
    private static final int FLAGS_REQUEST_BATCH_OPLOCK = 0x04;

    // Access Mode Encoding for desiredAccess
    private static final int SHARING_COMPATIBILITY = 0x00;
    private static final int SHARING_DENY_READ_WRITE_EXECUTE = 0x10;
    private static final int SHARING_DENY_WRITE = 0x20;
    private static final int SHARING_DENY_READ_EXECUTE = 0x30;

                // negative fid wraps around, lastWriteTime = 1000 -> 1 second -> int value 1
                Arguments.of(-1, 1000L, new byte[] { (byte) 0xFF, (byte) 0xFF, 0x01, 0x00, 0x00, 0x00 }));
    }

    /**
     * When lastWriteTime is zero the encoded unsigned time must be all 1s.
     */
    @Test
    @DisplayName("edge: writeParameterWordsWireFormat with lastWriteTime=0")

        assertNotNull(result);
        assertTrue(result.contains("FileNotifyInformation"));
        assertTrue(result.contains("nextEntry=0"));
        assertTrue(result.contains("action=0x0000")); // Hexdump.toHexString produces 4-char padded hex
        assertTrue(result.contains("file=null"));
    }

    @ParameterizedTest
    @DisplayName("Test decode with aligned next entry offsets")

     */

    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;

/**
 * Test class for ValidateNegotiateInfoRequest
 */
class ValidateNegotiateInfoRequestTest {

    private static final int DEFAULT_CAPABILITIES = 0x12345678;
    private static final int DEFAULT_SECURITY_MODE = 0x0003;
    private byte[] defaultClientGuid;
    private int[] defaultDialects;

    @BeforeEach
    void setUp() {
        // Initialize default GUID (16 bytes)
        defaultClientGuid = new byte[16];

        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() {