when(tree.isConnected()).thenReturn(true);
        assertTrue(h.isValid());
        h.markClosed();
        assertFalse(h.isValid());
    }

    @Test
    @DisplayName("getFid/getFileId throw SmbException when invalid")
    void getters_throw_whenInvalid() {
        when(cfg.isTraceResourceUsage()).thenReturn(false);
        stubValidTree(1L, true, true);

        super(config, andxResp);
    }

    /**
     * Gets the file identifier.
     *
     * @return the fid
     */
    public final int getFid() {
        return this.fid;
    }

    /**
     * Gets the file data size.
     *
     * @return the dataSize
     */
    public final int getDataSize() {
        return this.fileDataSize;
    }

     */
    public final byte getOplockLevel() {
        return this.oplockLevel;
    }

    /**
     * Gets the file identifier.
     *
     * @return the fid
     */
    public final int getFid() {
        return this.fid;
    }

    /**
     * Gets the create action taken.
     *
     * @return the createAction
     */
    public final int getCreateAction() {

        } else {
            this.creationBacktrace = null;
        }
    }

    /**
     * @return the fid
     * @throws SmbException
     */
    public int getFid() throws SmbException {
        if (!isValid()) {
            throw new SmbException("Descriptor is no longer valid");
        }
        return this.fid;
    }

                    len -= cnt;
                    off += cnt;
                } else if (this.useNTSmbs) {
                    this.reqx.setParam(fh.getFid(), this.fp, len - w, b, off, w);
                    if ((flags & 1) != 0) {
                        this.reqx.setParam(fh.getFid(), this.fp, len, b, off, w);
                        this.reqx.setWriteMode(0x8);
                    } else {

                return ((SrvPipePeekResponse) resp.getOutputData()).getReadDataAvailable();
            }
            final TransPeekNamedPipe req = new TransPeekNamedPipe(th.getConfig(), this.handle.getUncPath(), fd.getFid());
            final TransPeekNamedPipeResponse resp = new TransPeekNamedPipeResponse(th.getConfig());
            th.send(req, resp, RequestParam.NO_RETRY);

                return resp.getOutputLength();
            }
            if (this.transact) {
                final TransTransactNamedPipe req = new TransTransactNamedPipe(th.getConfig(), fh.getFid(), buf, off, length);
                final TransTransactNamedPipeResponse resp = new TransTransactNamedPipeResponse(th.getConfig(), inB);

                        continue;
                    }

                    // SMB1 path with optimization
                    final SmbComReadAndX request = new SmbComReadAndX(th.getConfig(), fd.getFid(), this.fp, r, null);

                    if (type == SmbConstants.TYPE_NAMED_PIPE) {
                        // Use fixed 1024 values for named pipes
                        request.setMinCount(1024);

        when(tree.isSMB2()).thenReturn(false);
        when(tree.getConfig()).thenReturn(mock(Configuration.class));
        when(tree.hasCapability(SmbConstants.CAP_NT_SMBS)).thenReturn(true);
        when(handle.getFid()).thenReturn(fid);
        when(tree.send(any(CommonServerMessageBlockRequest.class), any(), any(), any())).thenReturn(resp);
    }

    // Ensures watch() fails fast if the underlying handle is invalid
    @Test

                } else if (dh.hasCapability(SmbConstants.CAP_NT_SMBS)) {
                    // use the open file descriptor
                    dh.send(new Trans2SetFileInformation(dh.getConfig(), dfd.getFid(), attrs, ctime, mtime, atime),
                            new Trans2SetFileInformationResponse(dh.getConfig()));
                } else {