assertEquals(failureListener, failureListeners[3]); batcher.setBatchSuccessListeners(); successListeners = batcher.getBatchSuccessListeners(); assertEquals(0, successListeners.length); batcher.setBatchSuccessListeners(successListener); successListeners = batcher.getBatchSuccessListeners(); assertEquals(1, successListeners.length); assertEquals(successListener, successListeners[0]); batcher.setBatchSuccessListeners((WriteBatchListener[]) null); successListeners = batcher.getBatchSuccessListeners(); assertEquals(0, successListeners.length);