assertEquals(0, docList.getProcessingTime());

        docList.addContentSize(1000);
        docList.addProcessingTime(999);
        assertEquals(1000, docList.getContentSize());
        assertEquals(999, docList.getProcessingTime());

        docList.clear();
        assertEquals(0, docList.getContentSize());
        assertEquals(0, docList.getProcessingTime());
    }

    }

    /**
     * Gets the total processing time for all documents in this list.
     *
     * @return the total processing time in milliseconds
     */
    public long getProcessingTime() {
        return processingTime;
    }

    /**
     * Adds to the total processing time of this document list.
     *
     * @param processingTime the processing time to add in milliseconds
     */

            }
            if (logger.isInfoEnabled()) {
                if (docList.getContentSize() > 0) {
                    logger.info("Sent {} docs (Doc:{process {}ms, send {}ms, size {}}, {})", docList.size(), docList.getProcessingTime(),
                            systemHelper.getCurrentTimeAsLong() - execTime, MemoryUtil.byteCountToDisplaySize(docList.getContentSize()),
                            MemoryUtil.getMemoryUsageLog());
                } else {