}
    }
  }

  public void testNullParameters() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicInstanceMethods(makeLocalCache(createCacheBuilder()));
    CacheLoader<Object, Object> loader = identityLoader();
    tester.testAllPublicInstanceMethods(makeLocalCache(createCacheBuilder(), loader));
  }

  public void testSerializationProxyLoading() {