SmbConstants.ATTR_NORMAL, 0);
                }
                // one extra acquire to keep this open till the stream is released
                return this.handle.acquire();
            }

        }
        log.trace("Pipe already open");
        return this.handle.acquire();
    }

    /**

                size = sfd.getInitialSize();
                resumeKey = rkresp.getResumeKey();

                // start with some reasonably safe defaults, the server will till us if it does not like it
                // can we resume this if we loose the file descriptor?

                int maxChunks = 256;
                int maxChunkSize = 1024 * 1024;

     */
    synchronized SmbFileHandleImpl ensureOpen() throws CIFSException {
        // ensure file is open
        if (this.handle == null || !this.handle.isValid()) {
            // one extra acquire to keep this open till the stream is released
            this.handle =
                    this.file.openUnshared(this.openFlags, this.access, this.sharing, SmbConstants.ATTR_NORMAL, this.options).acquire();
            return this.handle;

     */
    protected synchronized SmbFileHandleImpl ensureOpen() throws CIFSException {
        if (!isOpen()) {
            // one extra acquire to keep this open till the stream is released
            this.handle = this.file.openUnshared(this.openFlags, this.access, this.sharing, SmbConstants.ATTR_NORMAL, 0).acquire();
            if (this.append) {

            return (int) (this.fp - start);
        }
    }

    /**
     * This stream class is unbuffered. Therefore this method will always
     * return 0 for streams connected to regular files. However, a
     * stream created from a Named Pipe this method will query the server using a
     * "peek named pipe" operation and return the number of available bytes
     * on the server.
     */
    @Override

        auth.resetAuthenticationTimestamp();
        long afterReset = System.currentTimeMillis();

        // Should still not be expired
        assertFalse(auth.isExpired());

        // Wait for original TTL to pass
        Thread.sleep(600);

        // Should still not be expired because we reset
        assertFalse(auth.isExpired());

        // Wait for the full TTL since reset

        if (this.password != null) {
            // Multi-pass secure wipe of password char array
            Arrays.fill(this.password, '\0');
            Arrays.fill(this.password, '\uFFFF');
            Arrays.fill(this.password, '\uAAAA');
            Arrays.fill(this.password, '\u5555');
            Arrays.fill(this.password, '\0');
            this.password = null;
        }

        assertEquals(1, sis.read());
        assertEquals(2, sis.read());
        assertEquals(3, sis.read());

        // After consuming all data, trying to read again will attempt to read
        // another packet header, but since there's no more data, it will throw IOException
        assertThrows(IOException.class, () -> sis.read());
    }

    @Test
    @DisplayName("Reading with zero-length array returns 0")

     * Get the user name which authenticate against to. If the default user
     * is used, Null will be returned.
     *
     * @return user name
     */
    public String getUser() {
        return this.user;
    }

    /**
     * Set the service name which is used to setup <code>GSSContext</code>.
     * Program will use this name to require service ticket from KDC.
     *
     * @param name

            // The finally block ensures pipe is closed even if handle close fails
            // Since the real method will propagate the exception from handle.close(),
            // we need to catch it to verify that pipe.close() was still called
            try {
                handle.close();
                fail("Expected IOException to be thrown");
            } catch (IOException e) {