Configuration responseConfig = (Configuration) configField.get(response);
        assertEquals(mockConfig, responseConfig);

        // Verify response has correct fileId
        assertEquals(testFileId, response.getFileId());

        // Verify response has correct fileName
        assertEquals(testFileName, response.getFileName());
    }

    @Test
    @DisplayName("size should return correct message size")

                }

                if (dh.isSMB2()) {
                    final Smb2SetInfoRequest req = new Smb2SetInfoRequest(dh.getConfig(), dfd.getFileId());
                    req.setFileInformation(new FileBasicInfo(ctime, atime, mtime, 0L, attrs));
                    dh.send(req);
                } else if (dh.hasCapability(SmbConstants.CAP_NT_SMBS)) {

            CommonServerMessageBlockRequest req;
            NotifyResponse resp = null;
            if (th.isSMB2()) {
                final Smb2ChangeNotifyRequest r = new Smb2ChangeNotifyRequest(th.getConfig(), this.handle.getFileId());
                r.setCompletionFilter(this.filter);
                r.setNotifyFlags(this.recursive ? Smb2ChangeNotifyRequest.SMB2_WATCH_TREE : 0);
                req = r;
            } else {

            do {
                r = len > this.readSize ? this.readSize : len;

                if (th.isSMB2()) {
                    final Smb2ReadRequest request = new Smb2ReadRequest(th.getConfig(), fh.getFileId(), b, off);
                    request.setOffset(this.fp);
                    request.setReadLength(r);
                    request.setRemainingBytes(len - off);
                    try {

        resp.decode(packet, 0);
        assertEquals(Smb2IoctlRequest.FSCTL_SRV_COPYCHUNK, resp.getCtlCode());
        assertEquals(0x1234, resp.getIoctlFlags());
        assertNotNull(resp.getFileId());
        assertEquals(16, resp.getFileId().length);
        assertEquals(12, resp.getOutputLength());

        SrvCopyChunkCopyResponse od = resp.getOutputData(SrvCopyChunkCopyResponse.class);
        assertEquals(1, od.getChunksWritten());

     * @return the file ID if available, null otherwise
     */
    public byte[] getExistingHandle(String path) {
        HandleInfo info = getHandleForReconnect(path);
        return info != null ? info.getFileId() : null;
    }

    /**
     * Store handle information after successful create
     * @param path the file path
     * @param fileId the 16-byte file ID
     * @param guid the handle GUID
     */

            if (th.isSMB2()) {
                final Smb2IoctlRequest req = new Smb2IoctlRequest(th.getConfig(), Smb2IoctlRequest.FSCTL_PIPE_PEEK, fd.getFileId());
                req.setMaxOutputResponse(16);
                req.setFlags(Smb2IoctlRequest.SMB2_O_IOCTL_IS_FSCTL);
                final Smb2IoctlResponse resp = th.send(req, RequestParam.NO_RETRY);

                if (!append && this.smb2) {
                    // no open option for truncating, need to truncate the file
                    final Smb2SetInfoRequest treq = new Smb2SetInfoRequest(th.getConfig(), fh.getFileId());
                    treq.setFileInformation(new FileEndOfFileInformation(0));
                    th.send(treq, RequestParam.NO_RETRY);
                }
            }
        } catch (final CIFSException e) {

                }

                try {
                    if (th.isSMB2()) {
                        final Smb2ReadRequest request = new Smb2ReadRequest(th.getConfig(), fd.getFileId(), b, off);
                        request.setOffset(type == SmbConstants.TYPE_NAMED_PIPE ? 0 : this.fp);
                        request.setReadLength(r);

                    setInfoReq.setFileId(createResp.getFileId());
                    setInfoReq.setFileInformation(new FileRenameInformation2(destPath, replace));
                    sh.send(setInfoReq);
                } finally {
                    // Always close the file handle - ensure createResp is not null
                    if (createResp != null && createResp.getFileId() != null) {