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);

            fileId[i] = (byte) (i + 1);
        }

        manager.updateHandleFileId(guid, fileId);

        HandleInfo info = manager.getHandleByGuid(guid);
        assertArrayEquals(fileId, info.getFileId());
    }

    @Test
    public void testGetHandleForReconnect() {
        HandleGuid guid = manager.requestDurableHandle("/test/file.txt", HandleType.DURABLE_V2, 120000, null);

                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);

            if (th.isSMB2()) {
                final Smb2IoctlRequest req =
                        new Smb2IoctlRequest(th.getConfig(), Smb2IoctlRequest.FSCTL_PIPE_TRANSCEIVE, fh.getFileId(), inB);
                req.setFlags(Smb2IoctlRequest.SMB2_O_IOCTL_IS_FSCTL);
                req.setInputData(new ByteEncodable(buf, off, length));
                req.setMaxOutputResponse(maxRecvSize);

                    file.getTree().send(createReq);
                
                if (response.isSuccess()) {
                    // Update file with new handle
                    file.setFileId(response.getFileId());
                    handleManager.completeReconnect(info.path, true);
                    return file;
                } else {
                    throw new IOException("Reconnect failed: " + response.getStatus());

        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);
        when(mockTree.getConfig()).thenReturn(mockConfig);

                    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) {