send(new SmbComOpenAndX(unc, access, flags, null), response);
            f = response.fid;
        }

        return f;
    }

    void open(final int flags, final int access, final int attrs, final int options) throws SmbException {
        if (isOpen()) {
            return;
        }
        fid = open0(flags, access, attrs, options);
        opened = true;
        tree_num = tree.tree_num;

    private static final int DISCONNECT_TID = 0x01;
    private static final int ONE_WAY_TRANSACTION = 0x02;

    private static final int PADDING_SIZE = 2;

    private final int flags = 0x00;
    private int fid;
    private int pad = 0;
    private int pad1 = 0;
    private boolean hasMore = true;
    private boolean isPrimary = true;
    private int bufParameterOffset;
    private int bufDataOffset;

        // Assert
        assertEquals(4, bytesWritten);
        assertEquals(SmbComTransaction.TRANS_WAIT_NAMED_PIPE, dst[0]);
        assertEquals((byte) 0x00, dst[1]);
        assertEquals((byte) 0x00, dst[2]); // no FID
        assertEquals((byte) 0x00, dst[3]);
    }

    @Test
    @DisplayName("writeSetupWireFormat with offset should write at correct position")
    void testWriteSetupWireFormatWithOffset() {
        // Arrange

        }

        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 {

        }
        // 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;