counter.recordLoadSuccess(Long.MAX_VALUE);
    counter.recordLoadSuccess(1);
    CacheStats stats = counter.snapshot();
    assertEquals(Long.MAX_VALUE, stats.totalLoadTime());
  }

  public void testSimpleStatsIncrementBy() {
    long totalLoadTime = 0;

    SimpleStatsCounter counter1 = new SimpleStatsCounter();
    for (int i = 0; i < 11; i++) {
      counter1.recordHits(1);
    }
    for (int i = 0; i < 13; i++) {