spec = "//" + spec;
            limit += 2;
        }
        super.parseURL(u, spec, start, limit);
        path = u.getPath();
        ref = u.getRef();
        if (ref != null) {
            path += '#' + ref;
        }
        port = u.getPort();
        if (port == -1) {
            port = getDefaultPort();
        }

                }
                
                // Send create request
                Smb2CreateResponse response = (Smb2CreateResponse) 
                    file.getTree().send(createReq);
                
                if (response.isSuccess()) {
                    // Update file with new handle
                    file.setFileId(response.getFileId());

            spec = "//" + spec;
            limit += 2;
        }
        super.parseURL(u, spec, start, limit);
        path = u.getPath();
        ref = u.getRef();
        if (ref != null) {
            path += '#' + ref;
        }
        port = u.getPort();
        if (port == -1) {
            port = getDefaultPort();
        }

    @Override
    public int sendrecv(final byte[] buf, final int off, final int length, final byte[] inB, final int maxRecvSize) throws IOException {
        try (SmbFileHandleImpl fh = ensureOpen(); SmbTreeHandleImpl th = fh.getTree()) {

            if (th.isSMB2()) {
                final Smb2IoctlRequest req =
                        new Smb2IoctlRequest(th.getConfig(), Smb2IoctlRequest.FSCTL_PIPE_TRANSCEIVE, fh.getFileId(), inB);

    void setUp() throws Exception {
        // Common, safe defaults for collaborators
        when(mockHandle.isValid()).thenReturn(true);
        when(mockHandle.acquire()).thenReturn(mockHandle);
        when(mockHandle.getTree()).thenReturn(mockTree);
        when(mockHandle.getFileId()).thenReturn(new byte[16]);

        when(mockTree.getReceiveBufferSize()).thenReturn(0x10000);
        when(mockTree.getMaximumBufferSize()).thenReturn(0x10000);

            return;
        }

        if (this.tmp == null) {
            throw new IOException("Bad file descriptor");
        }

        try (SmbFileHandleImpl fh = ensureOpen(); SmbTreeHandleImpl th = fh.getTree()) {
            if (log.isDebugEnabled()) {
                log.debug("write: fid=" + fh + ",off=" + off + ",len=" + len + ",fp=" + this.fp);
            }

            int w;
            do {

    private Smb2WriteResponse mockWriteResponse;

    private SmbFileOutputStream outputStream;

    @BeforeEach
    void setUp() {
        // Common setup for most tests
        lenient().when(mockFileHandle.getTree()).thenReturn(mockTreeHandle);
        lenient().when(mockTreeHandle.getConfig()).thenReturn(mockConfig);
    }

    @Test
    void testWriteSingleByte() throws IOException, CIFSException {
        // Given

        if (this.tmp == null) {
            throw new IOException("Bad file descriptor");
        }
        // ensure file is open
        try (SmbFileHandleImpl fd = ensureOpen(); SmbTreeHandleImpl th = fd.getTree()) {

            if (log.isTraceEnabled()) {
                log.trace("read: fid=" + fd + ",off=" + off + ",len=" + len);
            }

            final int type = this.file.getType();
            int r, n;

                    request.setWatchTree(false);  // Non-recursive for now
                    
                    Smb2ChangeNotifyResponse response = (Smb2ChangeNotifyResponse) 
                        handle.directoryFile.getTree().send(request);
                    
                    if (response.isSuccess()) {
                        processChangeNotification(handle, response);
                    }
                    

                this.size = allocInfo.getCapacity();
                this.sizeExpiration = System.currentTimeMillis() + getContext().getConfig().getAttributeCacheTimeout();
                return allocInfo.getFree();
            }
            return 0L;
        } catch (final CIFSException e) {
            throw SmbException.wrap(e);
        }
    }

    /**
     * @return