* reader each time it is called.
   *
   * <p>The caller is responsible for ensuring that the returned reader is closed.
   *
   * @throws IOException if an I/O error occurs while opening the reader
   */
  public abstract Reader openStream() throws IOException;

  /**
   * Opens a new {@link BufferedReader} for reading from this source. This method returns a new,

     *
     * @throws CIFSException if an error occurs opening the file
     */
    public void open() throws CIFSException {
        try (SmbFileHandleImpl fh = ensureOpen()) {}
    }

    /**
     * Closes this output stream and releases any system resources associated
     * with it.
     *
     * @throws IOException
     *             if a network error occurs
     */

    @Override

   * independent stream each time it is called.
   *
   * <p>The caller is responsible for ensuring that the returned stream is closed.
   *
   * @throws IOException if an I/O error occurs while opening the stream
   */
  public abstract OutputStream openStream() throws IOException;

  /**
   * Opens a new buffered {@link OutputStream} for writing to this sink. The returned stream is not

     * with it.
     *
     * @throws IOException if a network error occurs
     */

    @Override
    public void close() throws IOException {
        file.close();
        tmp = null;
    }

    /**
     * Writes the specified byte to this file output stream.
     *
     * @throws IOException if a network error occurs
     */

    @Override

    /**
     * Sets up the test environment before each test.
     * Initializes a mock {@link SmbPipeResource} and a mock implementation of {@link SmbPipeHandle}.
     * @throws CIFSException if an error occurs during setup.
     */
    @BeforeEach
    public void setUp() throws CIFSException {
        mockPipeResource = mock(SmbPipeResource.class);
        mockSmbPipeHandleInternal = mock(SmbPipeHandleInternal.class);

   * @return a byte array containing all the bytes from file
   * @throws IllegalArgumentException if the file is bigger than the largest possible byte array
   *     (2^31 - 1)
   * @throws IOException if an I/O error occurs
   */
  public static byte[] toByteArray(File file) throws IOException {
    return asByteSource(file).read();
  }

  /**

     * @return session key of the underlying smb session
     * @throws CIFSException if an error occurs retrieving the session key
     */
    byte[] getSessionKey() throws CIFSException;

    /**
     * Gets the input stream for reading from this pipe.
     *
     * @return this pipe's input stream
     * @throws CIFSException if an error occurs getting the input stream
     */
    @Override

     * @param fileAttributes The attributes of the mock file.
     * @param expectedResult The expected outcome of the accept method.
     * @throws SmbException If an SMB error occurs.
     */
    @ParameterizedTest(name = "Filter: {0}, File: {1}, Expected: {2}")
    @CsvSource({
            // Positive cases (should be accepted)
            "1, 1, true", // ATTR_READONLY

     * @param wildcard the wildcard pattern for filtering entries
     * @param filter additional resource name filter to apply
     * @param searchAttributes the file attributes to search for
     * @throws CIFSException if an error occurs during initialization
     */
    public DirFileEntryEnumIteratorBase(final SmbTreeHandleImpl th, final SmbResource parent, final String wildcard,

     * @param resp The response.
     * @param challenge The domain controller challenge.
     * @throws IOException If an IO error occurs.
     * @return the authenticated NtlmPasswordAuthentication object
     * @throws IOException If an IO error occurs.
     * @throws ServletException If an error occurs.
     */
    public static NtlmPasswordAuthentication authenticate(final HttpServletRequest req, final HttpServletResponse resp,