int offset = 10;

        // When
        int bytesRead = request.readBytesWireFormat(buffer, offset);

        // Then
        assertEquals(0, bytesRead);
    }

    @DisplayName("Should handle different completion filter combinations")
    @ParameterizedTest
    @CsvSource({ "1, FILE_NOTIFY_CHANGE_FILE_NAME", "2, FILE_NOTIFY_CHANGE_DIR_NAME", "4, FILE_NOTIFY_CHANGE_ATTRIBUTES",

        }

        @Test
        @DisplayName("should handle null policy handle")
        void testNullPolicyHandleHandled() {
            // Act & Assert - The constructor accepts null policy handle without throwing
            assertDoesNotThrow(() -> new MsrpcSamrConnect2("\\\\srv", 0, null));
        }

        @Test
        @DisplayName("should handle empty string as system name")
        void testEmptySystemName() {

         * Constructs a SamrCloseHandle request.
         *
         * @param handle The policy handle to close
         */
        public SamrCloseHandle(final rpc.policy_handle handle) {
            this.handle = handle;
        }

        @Override
        public void encode_in(final NdrBuffer _dst) throws NdrException {
            this.handle.encode(_dst);
        }

        @Override

         * Constructs a SamrCloseHandle request.
         *
         * @param handle The policy handle to close
         */
        public SamrCloseHandle(final rpc.policy_handle handle) {
            this.handle = handle;
        }

        @Override
        public void encode_in(final NdrBuffer _dst) throws NdrException {
            handle.encode(_dst);
        }

        @Override

    /**
     * Get failure count for a handle
     *
     * @param handle notification handle
     * @return number of consecutive failures
     */
    private int getFailureCount(ChangeNotificationHandle handle) {
        return failureCounts.getOrDefault(handle.getDirectoryPath(), 0);
    }

    /**
     * Increment failure count for a handle
     *
     * @param handle notification handle
     */

        ChangeNotificationHandle handle = activeWatchers.remove(directoryPath);
        if (handle != null) {
            handle.active = false;
            // Cancel any pending notifications
            cancelNotification(handle);
        }
    }
    
    private void startAsyncNotification(ChangeNotificationHandle handle) {
        CompletableFuture.runAsync(() -> {

package jcifs.smb1.dcerpc.msrpc;

/**
 * Microsoft RPC LSA close handle request.
 * This class implements the LSARPC close handle operation for closing
 * LSA policy handles when they are no longer needed.
 */
public class MsrpcLsarClose extends lsarpc.LsarClose {

    /**
     * Creates a new request to close an LSA policy handle.
     *
     * @param policyHandle the policy handle to close
     */

    }

    @Test
    @DisplayName("Should handle empty byte array")
    void testToHexStringEmpty() {
        // Given
        byte[] data = {};

        // When
        String result = Hexdump.toHexString(data);

        // Then
        assertNotNull(result);
        assertEquals("", result);
    }

    @Test
    @DisplayName("Should handle null byte array")
    void testToHexStringNull() {

     */
    public static final int SMB2_LEASE_READ_CACHING = 0x01;

    /**
     * Handle caching lease (H)
     */
    public static final int SMB2_LEASE_HANDLE_CACHING = 0x02;

    /**
     * Write caching lease (W)
     */
    public static final int SMB2_LEASE_WRITE_CACHING = 0x04;

    /**
     * Read and Handle caching (RH)
     */
    public static final int SMB2_LEASE_READ_HANDLE = 0x03;

    /**

        when(handle.isValid()).thenReturn(true);
        SmbWatchHandleImpl sut = new SmbWatchHandleImpl(handle, 0, false);

        sut.close();

        verify(handle, times(1)).close(0L);
    }

    // close() should do nothing when handle is invalid
    @Test
    @DisplayName("close() does nothing when handle invalid")