private static final int OWNER_SECURITY_INFORMATION = 0x00000001;
    private static final int GROUP_SECURITY_INFORMATION = 0x00000002;
    private static final int DACL_SECURITY_INFORMATION = 0x00000004;
    private static final int SACL_SECURITY_INFORMATION = 0x00000008;
    private static final int ALL_SECURITY_INFORMATION = 0x0000000F;

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);

        int[] attributes = { 0x00000001, // FILE_ATTRIBUTE_READONLY
                0x00000002, // FILE_ATTRIBUTE_HIDDEN
                0x00000004, // FILE_ATTRIBUTE_SYSTEM
                0x00000010, // FILE_ATTRIBUTE_DIRECTORY
                0x00000020, // FILE_ATTRIBUTE_ARCHIVE
                0x00000080, // FILE_ATTRIBUTE_NORMAL
                0x00000100, // FILE_ATTRIBUTE_TEMPORARY

    /** Write DAC access right */
    int WRITE_DAC = 0x00040000; // 18
    /** Write owner access right */
    int WRITE_OWNER = 0x00080000; // 19
    /** Synchronize access right */
    int SYNCHRONIZE = 0x00100000; // 20
    /** Generic all access right */
    int GENERIC_ALL = 0x10000000; // 28
    /** Generic execute access right */
    int GENERIC_EXECUTE = 0x20000000; // 29

     */

    static final int FILE_OVERWRITE_IF = 0x5;

    // create options
    static final int FILE_WRITE_THROUGH = 0x00000002;
    static final int FILE_SEQUENTIAL_ONLY = 0x00000004;
    static final int FILE_SYNCHRONOUS_IO_ALERT = 0x00000010;
    static final int FILE_SYNCHRONOUS_IO_NONALERT = 0x00000020;

    // security flags
    static final int SECURITY_CONTEXT_TRACKING = 0x01;
    static final int SECURITY_EFFECTIVE_ONLY = 0x02;

        assertEquals(0x08, ace.getFlags());
        assertEquals(0x00000001, ace.getAccessMask());
    }

    @ParameterizedTest
    @DisplayName("Test various access mask values")
    @ValueSource(ints = { 0x00000001, // FILE_READ_DATA
            0x00000002, // FILE_WRITE_DATA
            0x00000004, // FILE_APPEND_DATA
            0x00010000, // DELETE
            0x00020000, // READ_CONTROL
            0x00040000, // WRITE_DAC

    }

    @Test
    @DisplayName("Test haveCapability with multiple capability flags")
    void testHaveCapabilityMultipleFlags() {
        // Arrange
        int cap1 = 0x00000001;
        int cap2 = 0x00000002;
        int cap3 = 0x00000004;
        when(negotiationResponse.haveCapabilitiy(cap1)).thenReturn(true);
        when(negotiationResponse.haveCapabilitiy(cap2)).thenReturn(false);

    public static final int SMB2_FLAGS_SERVER_TO_REDIR = 0x00000001;
    /**
     * Flag indicating this is an asynchronous command.
     */
    public static final int SMB2_FLAGS_ASYNC_COMMAND = 0x00000002;
    /**
     * Flag indicating this operation is related to the previous operation in a compound request.
     */
    public static final int SMB2_FLAGS_RELATED_OPERATIONS = 0x00000004;
    /**
     * Flag indicating the message is signed.

        void testFlagConstants() {
            assertEquals(0x00000001, ServerMessageBlock2.SMB2_FLAGS_SERVER_TO_REDIR);
            assertEquals(0x00000002, ServerMessageBlock2.SMB2_FLAGS_ASYNC_COMMAND);
            assertEquals(0x00000004, ServerMessageBlock2.SMB2_FLAGS_RELATED_OPERATIONS);
            assertEquals(0x00000008, ServerMessageBlock2.SMB2_FLAGS_SIGNED);
            assertEquals(0x00000070, ServerMessageBlock2.SMB2_FLAGS_PRIORITY_MASK);

        @DisplayName("Should preserve other flags when setting signed flag")
        void testSignPreservesOtherFlags() {
            // Set initial flags with some existing flags
            int initialFlags = 0x00000001 | 0x00000002 | 0x00000004;
            SMBUtil.writeInt4(initialFlags, data, 16);

            digest.sign(data, 0, data.length, request, response);

            int flags = SMBUtil.readInt4(data, 16);

    @DisplayName("Should verify DCERPC_FAULT_OTHER constant value")
    void testDcerpcFaultOther() {
        assertEquals(0x00000001, DcerpcError.DCERPC_FAULT_OTHER);
    }

    @Test
    @DisplayName("Should verify DCERPC_FAULT_ACCESS_DENIED constant value")
    void testDcerpcFaultAccessDenied() {
        assertEquals(0x00000005, DcerpcError.DCERPC_FAULT_ACCESS_DENIED);
    }

    @Test