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());
    assertThat(stats.hitRate()).isEqualTo(1.0 / 2);

    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++) {
      counter.recordHits(1);
    }

        saturatedAdd(totalLoadTime, other.totalLoadTime),
        saturatedAdd(evictionCount, other.evictionCount));
  }

  @Override
  public int hashCode() {
    return Objects.hash(
        hitCount, missCount, loadSuccessCount, loadExceptionCount, totalLoadTime, evictionCount);
  }

  @Override
  public boolean equals(@Nullable Object object) {

    assertEquals("Eviction notifications must be received", 21, removalListener.getCount());
  }

  public void testRemovalListener_expireAfterWrite() {
    FakeTicker ticker = new FakeTicker();
    AtomicInteger evictionCount = new AtomicInteger();
    AtomicInteger applyCount = new AtomicInteger();
    AtomicInteger totalSum = new AtomicInteger();

    RemovalListener<Integer, AtomicInteger> removalListener =

      assertEquals("Invalid removal notification", notification.getKey(), notification.getValue());
    }

    CacheStats stats = cache.stats();
    assertEquals(removalListener.size(), stats.evictionCount());
    assertEquals(computeCount.get(), stats.loadSuccessCount());
    assertEquals(exceptionCount.get() + computeNullCount.get(), stats.loadExceptionCount());

      assertEquals("Invalid removal notification", notification.getKey(), notification.getValue());
    }

    CacheStats stats = cache.stats();
    assertEquals(removalListener.size(), stats.evictionCount());
    assertEquals(computeCount.get(), stats.loadSuccessCount());
    assertEquals(exceptionCount.get() + computeNullCount.get(), stats.loadExceptionCount());