return this.handle.ensureTreeConnected();
    }

    @Override
    protected synchronized SmbFileHandleImpl ensureOpen() throws CIFSException {
        return this.handle.ensureOpen();
    }

    /**
     * Gets the pipe handle implementation for this output stream.
     *
     * @return the handle
     */
    protected SmbPipeHandleImpl getHandle() {

    }

    @Test
    @DisplayName("ensureOpen delegates and returns the file handle")
    void ensureOpen_delegatesAndReturns() throws Exception {
        // Arrange
        SmbPipeOutputStream out = newStream();
        when(handle.ensureOpen()).thenReturn(fileHandle);

        // Act
        SmbFileHandleImpl result = out.ensureOpen();

        // Assert

        return this.handle.ensureTreeConnected();
    }

    @Override
    protected synchronized SmbFileHandleImpl ensureOpen() throws CIFSException {
        return this.handle.ensureOpen();
    }

    /**
     * This stream class is unbuffered. Therefore this method will always
     * return 0 for streams connected to regular files. However, a

            pipe.send(new TransCallNamedPipe(path, b, off, len), new TransCallNamedPipeResponse(pipe));
        } else if ((pipe.pipeType & SmbNamedPipe.PIPE_TYPE_TRANSACT) == SmbNamedPipe.PIPE_TYPE_TRANSACT) {
            ensureOpen();
            final TransTransactNamedPipe req = new TransTransactNamedPipe(pipe.fid, b, off, len);
            if (dcePipe) {
                req.maxDataCount = 1024;
            }

    /**
     * Ensures that the file handle is open and returns it.
     *
     * @return file handle
     * @throws CIFSException if an error occurs opening the file
     */
    SmbFileHandle ensureOpen() throws CIFSException;

    /**
     * Receive data from the pipe
     *
     * @param buf buffer to receive data into
     * @param off offset in the buffer
     * @param length maximum length to receive