assertThat(stats.totalLoadTime()).isEqualTo(0);
    assertThat(stats.averageLoadPenalty()).isEqualTo(0.0);
    assertThat(stats.evictionCount()).isEqualTo(0);
  }

  public void testSingleSimpleStats() {
    StatsCounter counter = new SimpleStatsCounter();
    for (int i = 0; i < 11; i++) {
      counter.recordHits(1);
    }
    for (int i = 0; i < 13; i++) {
      counter.recordLoadSuccess(i);
    }