}

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

        // Setup mock notify information
        when(mockNotifyInfo1.getAction()).thenReturn(FileNotifyInformation.FILE_ACTION_ADDED);
        when(mockNotifyInfo1.getFileName()).thenReturn("test1.txt");

        when(mockNotifyInfo2.getAction()).thenReturn(FileNotifyInformation.FILE_ACTION_MODIFIED);

        byte[] buffer = createValidNotificationBuffer("testfile.txt", FileNotifyInformation.FILE_ACTION_ADDED);

        FileNotifyInformationImpl info = new FileNotifyInformationImpl(buffer, 0, buffer.length);

        assertNotNull(info);
        assertEquals(FileNotifyInformation.FILE_ACTION_ADDED, info.getAction());
        assertEquals("testfile.txt", info.getFileName());
    }

    @Test

    @Nested
    @DisplayName("Action Constants Tests")
    class ActionConstantsTests {

        @Test
        @DisplayName("Verify FILE_ACTION_ADDED constant value")
        void testFileActionAdded() {
            assertEquals(0x00000001, FileNotifyInformation.FILE_ACTION_ADDED);
        }

        @Test
        @DisplayName("Verify FILE_ACTION_REMOVED constant value")
        void testFileActionRemoved() {

    void testReadParametersWireFormatSingleNotification() throws Exception {
        byte[] buffer = createSingleNotificationBuffer("test.txt", FileNotifyInformation.FILE_ACTION_ADDED);

        int result = response.readParametersWireFormat(buffer, 0, buffer.length);

        assertTrue(result > 0);
        List<FileNotifyInformation> notifications = response.getNotifyInformation();

     */
    @Test
    void testFileNotifyInformationUsage() {
        // Setup mock behavior for FileNotifyInformation
        when(fileNotifyInfo1.getAction()).thenReturn(FileNotifyInformation.FILE_ACTION_ADDED);
        when(fileNotifyInfo1.getFileName()).thenReturn("newfile.txt");

        when(fileNotifyInfo2.getAction()).thenReturn(FileNotifyInformation.FILE_ACTION_MODIFIED);

            offset += nextEntryOffset;
        }
    }
    
    private DirectoryChangeType convertAction(int action) {
        switch (action) {
            case FILE_ACTION_ADDED: return DirectoryChangeType.FILE_ADDED;
            case FILE_ACTION_REMOVED: return DirectoryChangeType.FILE_REMOVED;
            case FILE_ACTION_MODIFIED: return DirectoryChangeType.FILE_MODIFIED;

        /**
         * File or directory attributes were changed
         */
        ATTRIBUTES_CHANGED
    }

    /**
     * SMB2 File Action constants
     */
    private static final int FILE_ACTION_ADDED = 0x00000001;
    private static final int FILE_ACTION_REMOVED = 0x00000002;
    private static final int FILE_ACTION_MODIFIED = 0x00000003;
    private static final int FILE_ACTION_RENAMED_OLD_NAME = 0x00000004;

     */
    int FILE_NOTIFY_CHANGE_STREAM_WRITE = 0x00000800;

    // actions returned
    /**
     * File has been added
     */
    int FILE_ACTION_ADDED = 0x00000001;
    /**
     * File has been removed
     */
    int FILE_ACTION_REMOVED = 0x00000002;
    /**
     * File has been modified
     */
    int FILE_ACTION_MODIFIED = 0x00000003;

        int notifyOffset = 80;
        SMBUtil.writeInt4(0, buffer, notifyOffset); // NextEntryOffset (0 = last entry)
        SMBUtil.writeInt4(1, buffer, notifyOffset + 4); // Action (FILE_ACTION_ADDED)
        // Write filename in Unicode
        String fileName = "test.txt";
        byte[] fileNameBytes = fileName.getBytes("UnicodeLittleUnmarked");