assertThat(stats.totalLoadTime()).isEqualTo(214);
    assertThat(stats.averageLoadPenalty()).isEqualTo(214.0 / (13 + 17));
    assertThat(stats.evictionCount()).isEqualTo(27);
  }

  public void testSimpleStatsOverflow() {
    StatsCounter counter = new SimpleStatsCounter();
    counter.recordLoadSuccess(Long.MAX_VALUE);
    counter.recordLoadSuccess(1);
    CacheStats stats = counter.snapshot();