assertThat(stats.evictionCount()).isEqualTo(27);
  }

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

  public void testSimpleStatsIncrementBy() {

    }

    if (calculatedValue == null) {
      String message = loader + " returned null for key " + key + ".";
      throw new CacheLoader.InvalidCacheLoadException(message);
    }
    statsCounter.recordLoadSuccess(ticker.read() - startTime);
    return calculatedValue;
  }

  private V getIfPresent(Object key) {
    checkNotNull(key);
    Timestamped<V> value = cachingHashMap.get(key);

    if (value == null) {

            @Override
            public void recordMisses(int count) {}

            @SuppressWarnings("GoodTime") // b/122668874
            @Override
            public void recordLoadSuccess(long loadTime) {}

            @SuppressWarnings("GoodTime") // b/122668874
            @Override
            public void recordLoadException(long loadTime) {}

            @Override

            @Override
            public void recordMisses(int count) {}

            @SuppressWarnings("GoodTime") // b/122668874
            @Override
            public void recordLoadSuccess(long loadTime) {}

            @SuppressWarnings("GoodTime") // b/122668874
            @Override
            public void recordLoadException(long loadTime) {}

            @Override

        value = getUninterruptibly(newValue);
        if (value == null) {
          throw new InvalidCacheLoadException("CacheLoader returned null for key " + key + ".");
        }
        statsCounter.recordLoadSuccess(loadingValueReference.elapsedNanos());
        storeLoadedValue(key, hash, loadingValueReference, value);
        return value;
      } finally {
        if (value == null) {