assertThat(entries.remove(newEntry)).isFalse();
        assertThat(entries.contains(newEntry)).isFalse();
      }
      checkEmpty(entries);
      checkEmpty(cache);
    }
  }

  public void testWriteThroughEntry() {
    for (LoadingCache<Object, Object> cache : caches()) {
      cache.getUnchecked(1);
      Entry<Object, Object> entry = Iterables.getOnlyElement(cache.asMap().entrySet());

      cache.invalidate(1);