// Each instance should maintain its own state
            assertEquals(10, response1.getChunksWritten());
            assertEquals(4096, response1.getChunkBytesWritten());
            assertEquals(40960, response1.getTotalBytesWritten());

            assertEquals(20, response2.getChunksWritten());
            assertEquals(8192, response2.getChunkBytesWritten());

    public int getChunkBytesWritten() {
        return this.chunkBytesWritten;
    }

    /**
     * Gets the number of chunks successfully written
     * @return the chunksWritten
     */
    public int getChunksWritten() {
        return this.chunksWritten;
    }

    /**
     * Gets the total number of bytes written in the copy operation
     * @return the totalBytesWritten
     */
    public int getTotalBytesWritten() {

                                log.debug(String.format("Wrote %d bytes (%d chunks, last partial write %d)", r.getTotalBytesWritten(),
                                        r.getChunksWritten(), r.getChunkBytesWritten()));
                            }
                            ooff += r.getTotalBytesWritten();
                        } catch (final SmbException e) {

        assertEquals(16, resp.getFileId().length);
        assertEquals(12, resp.getOutputLength());

        SrvCopyChunkCopyResponse od = resp.getOutputData(SrvCopyChunkCopyResponse.class);
        assertEquals(1, od.getChunksWritten());
        assertEquals(2, od.getChunkBytesWritten());
        assertEquals(3, od.getTotalBytesWritten());

        // Type mismatch should raise SmbException