request.setFileId(testFileId);
            request.setData(data, 512, 1024);
            request.setOffset(4096L);
            request.setRemainingBytes(2048);
            request.setWriteFlags(0x02);

            // Calculate expected size
            int expectedSize = ((Smb2Constants.SMB2_HEADER_LENGTH + 48 + 1024 + 7) / 8) * 8;
            assertEquals(expectedSize, request.size());

    void testLeaseStateConstants() {
        assertEquals(0x00, Smb2LeaseState.SMB2_LEASE_NONE);
        assertEquals(0x01, Smb2LeaseState.SMB2_LEASE_READ_CACHING);
        assertEquals(0x02, Smb2LeaseState.SMB2_LEASE_HANDLE_CACHING);
        assertEquals(0x04, Smb2LeaseState.SMB2_LEASE_WRITE_CACHING);
        assertEquals(0x03, Smb2LeaseState.SMB2_LEASE_READ_HANDLE);

    @Test
    @DisplayName("Test all file information class constants")
    void testFileInformationClassConstants() {
        assertEquals(0x01, Smb2QueryDirectoryRequest.FILE_DIRECTORY_INFO);
        assertEquals(0x02, Smb2QueryDirectoryRequest.FILE_FULL_DIRECTORY_INFO);
        assertEquals(0x03, Smb2QueryDirectoryRequest.FILE_BOTH_DIRECTORY_INFO);
        assertEquals(0x0C, Smb2QueryDirectoryRequest.FILE_NAMES_INFO);

    void byteArrayConstructor_malformedDER_throwsWrapped() {
        // Arrange: Truncated SEQUENCE (0x30 len=2 but only 1 byte of content)
        byte[] malformed = new byte[] { 0x30, 0x02, 0x01 };

        // Act + Assert
        PACDecodingException ex = assertThrows(PACDecodingException.class, () -> new KerberosApRequest(malformed, null));
        assertTrue(ex.getMessage().contains("Malformed Kerberos Ticket"));

    }

    @Test
    @DisplayName("readParameterWordsWireFormat with a too-short buffer - throws exception")
    void testReadParameterWordsWithShortBuffer() {
        byte[] buffer = new byte[] { 0x00, 0x01, 0x02 }; // only three bytes
        assertThrows(ArrayIndexOutOfBoundsException.class, () -> response.readParameterWordsWireFormat(buffer, 0));
    }

    @Test

    void testReadAtDifferentOffsets(int offset) throws SMBProtocolDecodingException {
        // Given
        byte[] buffer = new byte[offset + 20];
        SMBUtil.writeInt2(16, buffer, offset);
        buffer[offset + 2] = 0x02; // PIPE
        buffer[offset + 3] = 0;
        SMBUtil.writeInt4(0x1234, buffer, offset + 4);
        SMBUtil.writeInt4(0x5678, buffer, offset + 8);
        SMBUtil.writeInt4(0x9ABC, buffer, offset + 12);

        // Assert
        assertEquals(expectedFlags, queryPolicy.getFlags());
        // Binary check for individual flags
        assertEquals(0x03, queryPolicy.getFlags()); // 0x01 | 0x02 = 0x03
    }

    @Test
    void getOpnum_shouldReturnCorrectValue() {
        // Arrange
        short level = 1;
        queryPolicy = new MsrpcQueryInformationPolicy(mockPolicyHandle, level, mockNdrObject);

     */
    @Test
    @DisplayName("Decode unknown AvPair type as generic AvPair")
    void testDecodeUnknownType() throws CIFSException {
        byte[] data = new byte[] { 0x01, 0x02, 0x03, 0x04 };
        int unknownType = 0xFF;
        byte[] avPairData = createAvPairData(unknownType, data);
        byte[] eolData = createEolData();

    private static final int PRIMARY_SETUP_OFFSET = 61;
    private static final int SECONDARY_PARAMETER_OFFSET = 51;

    private static final int DISCONNECT_TID = 0x01;
    private static final int ONE_WAY_TRANSACTION = 0x02;

    private static final int PADDING_SIZE = 2;

    private final int flags = 0x00;
    private int fid;
    private int pad = 0;
    private int pad1 = 0;
    private boolean hasMore = true;

    public static final int SUCCESS = 0;
    /** Name service error class */
    public static final int ERR_NAM_SRVC = 0x01;
    /** Session service error class */
    public static final int ERR_SSN_SRVC = 0x02;

    // name service error codes
    /** Format error in the name service */
    public static final int FMT_ERR = 0x1;
    /** Server error in the name service */
    public static final int SRV_ERR = 0x2;