}

        @Test
        @DisplayName("Verify FILE_NOTIFY_CHANGE_STREAM_WRITE constant value")
        void testFileNotifyChangeStreamWrite() {
            assertEquals(0x00000800, FileNotifyInformation.FILE_NOTIFY_CHANGE_STREAM_WRITE);
        }

        @Test
        @DisplayName("Verify filter flags are power of 2 for bitwise operations")

            "64, FILE_NOTIFY_CHANGE_CREATION", "128, FILE_NOTIFY_CHANGE_EA", "256, FILE_NOTIFY_CHANGE_SECURITY",
            "512, FILE_NOTIFY_CHANGE_STREAM_NAME", "1024, FILE_NOTIFY_CHANGE_STREAM_SIZE", "2048, FILE_NOTIFY_CHANGE_STREAM_WRITE" })
    void testCompletionFilterConstants(int value, String description) {
        // Given & When
        request.setCompletionFilter(value);
        byte[] buffer = new byte[512];

    /**
     * Any change to the data in a named stream of a file in the watched directory or subtree causes a change notification wait operation to return.
     */
    int FILE_NOTIFY_CHANGE_STREAM_WRITE = 0x00000800;

    // actions returned
    /**
     * File has been added
     */
    int FILE_ACTION_ADDED = 0x00000001;
    /**
     * File has been removed
     */

     */
    public static final int FILE_NOTIFY_CHANGE_STREAM_SIZE = 0x400;
    /**
     * Notify when alternate data stream is written
     */
    public static final int FILE_NOTIFY_CHANGE_STREAM_WRITE = 0x800;

    private final byte[] fileId;
    private final int outputBufferLength;
    private int notifyFlags;
    private int completionFilter;

    /**
     * Constructs a change notify request

    private static final int FILE_NOTIFY_CHANGE_STREAM_NAME = 0x00000200;
    private static final int FILE_NOTIFY_CHANGE_STREAM_SIZE = 0x00000400;
    private static final int FILE_NOTIFY_CHANGE_STREAM_WRITE = 0x00000800;
    private static final int FILE_NOTIFY_CHANGE_ALL = 0x00000FFF;

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