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

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

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

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

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

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

    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(1.0 / 2, stats.hitRate());

    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(1.0 / 2, stats.hitRate());

  }

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

    RemovalListener<Integer, AtomicInteger> removalListener =

  }

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