assertEquals(0x3456, testBlock.getFlags2());
            assertEquals(0x1234, testBlock.getTid());
            assertEquals(0x5678, testBlock.getPid());
            assertEquals(0x9ABC, testBlock.getUid());
            assertEquals(0xDEF0, testBlock.getMid());
        }

        @Test
        @DisplayName("Test decode with signature verification failure")

    class ConstructorTests {

        private Configuration mockConfig;

        @BeforeEach
        void setUp() {
            mockConfig = mock(Configuration.class);
            when(mockConfig.getPid()).thenReturn(12345);
        }

        @Test
        @DisplayName("Should initialize with correct command and MID")
        void testConstructorInitialization() throws Exception {
            // Given

        assertEquals(endpoint, dcerpcBinding.getEndpoint(), "Endpoint should be set correctly.");
        assertNotNull(dcerpcBinding.getUuid(), "UUID should be set for a valid pipe endpoint.");
        assertEquals("4B324FC8-1670-01D3-1278-5A47BF6EE188", dcerpcBinding.getUuid().toString(), "UUID should be parsed correctly.");
        assertEquals(3, dcerpcBinding.getMajor(), "Major version should be parsed correctly.");

    }

    /**
     * Gets the user identifier
     * @return the uid
     */
    public final int getUid() {
        return this.uid;
    }

    /**
     * @param uid
     *            the uid to set
     */
    @Override
    public final void setUid(final int uid) {
        this.uid = uid;
    }

    /**
     * Gets the signature sequence number

        UUID uuid = UUID.randomUUID();
        HandleGuid guid1 = new HandleGuid(uuid);
        HandleGuid guid2 = new HandleGuid(guid1.toBytes());

        assertEquals(guid1, guid2);
        assertEquals(uuid, guid1.getUuid());
    }

    @Test
    public void testHandleGuidInvalidBytes() {
        assertThrows(IllegalArgumentException.class, () -> {
            new HandleGuid(new byte[8]); // Wrong length
        });

            result[8 + i] = (byte) (leastSig >>> (56 - i * 8));
        }

        return result;
    }

    /**
     * Get the underlying UUID
     * @return the UUID
     */
    public UUID getUuid() {
        return guid;
    }

    @Override
    public String toString() {
        return guid.toString();
    }

    @Override
    public boolean equals(Object obj) {

        buf.enc_ndr_short(0); /* reserved2 */
        buf.enc_ndr_short(0); /* context id */
        buf.enc_ndr_small(1); /* number of items */
        buf.enc_ndr_small(0); /* reserved */
        this.binding.getUuid().encode(buf);
        buf.enc_ndr_short(this.binding.getMajor());
        buf.enc_ndr_short(this.binding.getMinor());
        DCERPC_UUID_SYNTAX_NDR.encode(buf);
        buf.enc_ndr_long(2); /* syntax version */
    }

    }

    @Test
    void testGetMid() {
        long mid = 54321L;
        when(mockResponse.getMid()).thenReturn(mid);
        assertEquals(mid, mockResponse.getMid());

        // Verify the method was called
        verify(mockResponse, times(1)).getMid();
    }

    @Test
    void testVerifySignature() {
        byte[] buffer = new byte[] { 1, 2, 3 };
        int offset = 0;

     * @return the endpoint
     */
    public String getEndpoint() {
        return this.endpoint;
    }

    /**
     * @return the uuid
     */
    UUID getUuid() {
        return this.uuid;
    }

    /**
     * @return the major
     */
    int getMajor() {
        return this.major;
    }

    /**
     * @return the minor
     */

                    response = new SmbComSessionSetupAndXResponse(getContext().getConfig(), null);
                    response.setExtendedSecurity(true);
                    request.setUid(getUid());
                    setUid(0);

                    try {
                        trans.send(request, response);
                    } catch (SmbAuthException sae) {
                        throw sae;