@Test
public void testReset() {

  statistics.reset();
  for (OpType opType : OpType.values()) {
    expectedOpsCountMap.get(opType).set(0);
  }
  final Iterator<LongStatistic> iter = statistics.getLongStatistics();
  while (iter.hasNext()) {
    final LongStatistic longStat = iter.next();
    assertEquals(0, longStat.getValue());
  }
  incrementOpsCountByRandomNumbers();
  verifyStatistics();
}