void testDcerpcPendingCancel() {
            assertEquals(0x04, DcerpcConstants.DCERPC_PENDING_CANCEL, "DCERPC_PENDING_CANCEL should be 0x04");
        }

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

        @Test

    private SmbNegotiation negotiation;

    @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

    private byte[] testMacSigningKey;

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
        testMacSigningKey = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10 };
    }

    @Test
    @DisplayName("Test constructor with MAC signing key and bypass flag")
    void testConstructorWithBypass() {

    }

    @Test
    @DisplayName("Should define SMB flags constants")
    void testSmbFlags() {
        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);

        ndrBuffer.setIndex(10);
        byte[] partialData = { 0x05, 0x06, 0x07, 0x08, 0x09 };
        ndrBuffer.writeOctetArray(partialData, 1, 3); // Write 0x06, 0x07, 0x08

        assertEquals(13, ndrBuffer.getIndex());
        assertEquals(13, ndrBuffer.getLength());
        assertEquals(0x06, buffer[10]);
        assertEquals(0x07, buffer[11]);
        assertEquals(0x08, buffer[12]);
    }

    @Test

            // Skip idFileSystem (4 bytes)
            buffer[4] = 0x08; // sectPerAlloc = 8
            buffer[8] = 0x00;
            buffer[9] = 0x10; // alloc = 4096
            buffer[12] = 0x00;
            buffer[13] = 0x08; // free = 2048
            buffer[16] = 0x00;
            buffer[17] = 0x02; // bytesPerSect = 512

        testBuffer[8] = 0x01; // Revision
        testBuffer[9] = 0x01; // Sub-authority count
        testBuffer[10] = 0x00; // Identifier authority
        testBuffer[11] = 0x00;
        testBuffer[12] = 0x00;
        testBuffer[13] = 0x00;
        testBuffer[14] = 0x00;
        testBuffer[15] = 0x01;
        testBuffer[16] = 0x00; // Sub-authority
        testBuffer[17] = 0x00;
        testBuffer[18] = 0x00;

        }

        @ParameterizedTest
        @DisplayName("Should read different oplock levels correctly")
        @ValueSource(bytes = { 0x00, 0x01, 0x02, 0x08, (byte) 0xFF })
        void testReadDifferentOplockLevels(byte oplockLevel) throws Exception {
            byte[] buffer = createValidOplockBreakBuffer(oplockLevel, createTestData(16));

     */
    int FLAGS_NONE = 0x00;
    /**
     * Obsolete lock and read/write and unlock flag.
     */
    int FLAGS_LOCK_AND_READ_WRITE_AND_UNLOCK = 0x01;
    /**
     * Receive buffer has been posted flag.
     */
    int FLAGS_RECEIVE_BUFFER_POSTED = 0x02;
    /**
     * Path names are case-insensitive flag.
     */
    int FLAGS_PATH_NAMES_CASELESS = 0x08;
    /**
     * Path names are canonicalized flag.

            when(mockNdrBuffer.dec_ndr_small()).thenReturn((int) (byte) 0x55, (int) (byte) 0x66, // clock seq bytes
                    (int) (byte) 0x07, (int) (byte) 0x08, (int) (byte) 0x09, (int) (byte) 0x0A, (int) (byte) 0x0B, (int) (byte) 0x0C // node bytes
            );
            when(mockNdrBuffer.derive(anyInt())).thenReturn(mockNdrBuffer);

            // When: Decoding the policy handle