assertThat(stats.missRate()).isEqualTo(1.0);
    assertEquals(1, stats.loadCount());
    long totalLoadTime = stats.totalLoadTime();
    assertTrue(totalLoadTime >= 0);
    assertTrue(stats.averageLoadPenalty() >= 0.0);
    assertEquals(0, stats.evictionCount());

    cache.getUnchecked(one);
    stats = cache.stats();
    assertEquals(2, stats.requestCount());
    assertEquals(1, stats.hitCount());

    assertEquals(0, stats.loadSuccessCount());
    assertEquals(0, stats.loadExceptionCount());
    assertEquals(0, stats.loadCount());
    assertEquals(0, stats.totalLoadTime());
    assertThat(stats.averageLoadPenalty()).isEqualTo(0.0);
    assertEquals(0, stats.evictionCount());
  }

  public void testSingleSimpleStats() {
    StatsCounter counter = new SimpleStatsCounter();
    for (int i = 0; i < 11; i++) {

   * guaranteed not to throw an exception). If you require specific handling, we recommend
   * implementing your own stats collector.
   */
  public double averageLoadPenalty() {
    long totalLoadCount = saturatedAdd(loadSuccessCount, loadExceptionCount);
    return (totalLoadCount == 0) ? 0.0 : (double) totalLoadTime / totalLoadCount;
  }

  /**