if err != nil {
		return
	}
	err = en.WriteBytes((z.ID)[:])
	if err != nil {
		err = msgp.WrapError(err, "ID")
		return
	}
	// write "Host"
	err = en.Append(0xa4, 0x48, 0x6f, 0x73, 0x74)
	if err != nil {
		return
	}
	err = en.WriteString(z.Host)
	if err != nil {
		err = msgp.WrapError(err, "Host")
		return
	}
	// write "Time"

        }

        @Test
        @DisplayName("DCERPC_RESERVED_1 should have correct value")
        void testDcerpcReserved1() {
            assertEquals(0x08, DcerpcConstants.DCERPC_RESERVED_1, "DCERPC_RESERVED_1 should be 0x08");
        }

        @Test
        @DisplayName("DCERPC_CONC_MPX should have correct value")
        void testDcerpcConcMpx() {

     */
    int DCERPC_PENDING_CANCEL = 0x04; /* Cancel was pending at sender */
    /**
     * Reserved flag for future use
     */
    int DCERPC_RESERVED_1 = 0x08;
    /**
     * Supports concurrent multiplexing flag.
     */
    int DCERPC_CONC_MPX = 0x10; /* supports concurrent multiplexing */
    /**
     * Did not execute flag - indicates request was not executed
     */

     */
    public static final byte TRANS2_SET_FILE_INFORMATION = (byte) 0x08;

    /**
     * Network share enumeration subcommand
     */
    public static final byte NET_SHARE_ENUM = (byte) 0x00;
    /**
     * Network server enumeration subcommand version 2
     */
    public static final byte NET_SERVER_ENUM2 = (byte) 0x68;
    /**
     * Network server enumeration subcommand version 3
     */

    }

    @Test
    void testWriteInt4() {
        byte[] dst = new byte[12];

        // Test with simple value
        SMBUtil.writeInt4(0x12345678L, dst, 0);
        assertEquals((byte) 0x78, dst[0]);
        assertEquals((byte) 0x56, dst[1]);
        assertEquals((byte) 0x34, dst[2]);
        assertEquals((byte) 0x12, dst[3]);

        // Test with max value for 4 bytes

            ownerNodeType = (src[srcIndex + 16] & 0x60) >> 5;
            isBeingDeleted = ((src[srcIndex + 16] & 0x10) == 0x10) == true;
            isInConflict = ((src[srcIndex + 16] & 0x08) == 0x08) == true;
            isActive = ((src[srcIndex + 16] & 0x04) == 0x04) == true;
            isPermanent = ((src[srcIndex + 16] & 0x02) == 0x02) == true;

            /*

        assertEquals(0x08, SmbConstants.ATTR_VOLUME);
        assertEquals(0x10, SmbConstants.ATTR_DIRECTORY);
    }

    /**
     * Test FLAGS constants.
     */
    @Test
    @DisplayName("FLAGS constants are correct")
    void flagsTest() {
        assertEquals(0x00, SmbConstants.FLAGS_NONE);
        assertEquals(0x08, SmbConstants.FLAGS_PATH_NAMES_CASELESS);

        assertEquals(0x6, AvPair.MsvAvFlags, "MsvAvFlags constant should be 0x6.");
        assertEquals(0x7, AvPair.MsvAvTimestamp, "MsvAvTimestamp constant should be 0x7.");
        assertEquals(0x08, AvPair.MsvAvSingleHost, "MsvAvSingleHost constant should be 0x08.");
        assertEquals(0x09, AvPair.MsvAvTargetName, "MsvAvTargetName constant should be 0x09.");
        assertEquals(0x0A, AvPair.MsvAvChannelBindings, "MsvAvChannelBindings constant should be 0x0A.");

        assertEquals(0x00, SmbConstants.FLAGS_NONE);
        assertEquals(0x01, SmbConstants.FLAGS_LOCK_AND_READ_WRITE_AND_UNLOCK);
        assertEquals(0x02, SmbConstants.FLAGS_RECEIVE_BUFFER_POSTED);
        assertEquals(0x08, SmbConstants.FLAGS_PATH_NAMES_CASELESS);
        assertEquals(0x10, SmbConstants.FLAGS_PATH_NAMES_CANONICALIZED);
        assertEquals(0x20, SmbConstants.FLAGS_OPLOCK_REQUESTED_OR_GRANTED);

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
        testRequestBuffer = new byte[] { 0x01, 0x02, 0x03, 0x04 };
        testResponseBuffer = new byte[] { 0x05, 0x06, 0x07, 0x08 };
        negotiation = new SmbNegotiation(mockRequest, mockResponse, testRequestBuffer, testResponseBuffer);
    }

    @Test
    @DisplayName("Constructor should properly initialize all fields")