lenient().doCallRealMethod().when(handle).doSendReceiveFragment(any(byte[].class), anyInt(), anyInt(), any(byte[].class));
        lenient().doCallRealMethod().when(handle).doSendFragment(any(byte[].class), anyInt(), anyInt());
        lenient().doCallRealMethod().when(handle).doReceiveFragment(any(byte[].class));
        lenient().doCallRealMethod().when(handle).close();

                    buf.enc_ndr_long(msg.alloc_hint);
                    buf.enc_ndr_short(0); /* context id */
                    buf.enc_ndr_short(msg.getOpnum());
                }

                doSendFragment(stub, off, msg.length, isDirect);
                off += n;
            }

            doReceiveFragment(stub, isDirect);
            buf.reset();
            buf.setIndex(8);

        }

        @Override
        public byte[] getSessionKey() throws CIFSException {
            return sessionKey;
        }

        @Override
        protected void doSendFragment(byte[] buf, int off, int length) throws IOException {
            // Mock implementation for testing
        }

        @Override
        protected int doReceiveFragment(byte[] buf) throws IOException {

                /* This 0x20000 bit is going to get chopped! */
                0x2019F << 16 | SmbNamedPipe.PIPE_TYPE_RDWR | SmbNamedPipe.PIPE_TYPE_DCE_TRANSACT, auth);
    }

    @Override
    protected void doSendFragment(final byte[] buf, final int off, final int length, final boolean isDirect) throws IOException {
        if (out != null && !out.isOpen()) {
            throw new IOException("DCERPC pipe is no longer open");
        }

            if (r == 0) {
                throw new IOException("Unexpected EOF");
            }
            have += r;
        }

        return have;
    }

    @Override
    protected void doSendFragment(final byte[] buf, final int off, final int length) throws IOException {
        if (this.handle.isStale()) {
            throw new IOException("DCERPC pipe is no longer open");
        }

            if ((msg.flags & DCERPC_LAST_FRAG) == DCERPC_LAST_FRAG) {
                return off;
            }
            // all fragment but the last get written using read/write semantics
            doSendFragment(out, off, msg.length);
            off += fragSize;
        }
        throw new IOException();
    }

    /**
     * @param msg
     * @param in
     * @param off
     * @param isDirect