return ImmutableList.of(
        createCacheBuilder(),
        createCacheBuilder().weakValues(),
        createCacheBuilder().softValues(),
        createCacheBuilder().weakKeys(),
        createCacheBuilder().weakKeys().weakValues(),
        createCacheBuilder().weakKeys().softValues());
  }

  // entries and values

    return ImmutableList.of(
        createCacheBuilder(),
        createCacheBuilder().weakValues(),
        createCacheBuilder().softValues(),
        createCacheBuilder().weakKeys(),
        createCacheBuilder().weakKeys().weakValues(),
        createCacheBuilder().weakKeys().softValues());
  }

  // entries and values

    assertSame(loader, cache.localCache.defaultLoader);
  }

  // null parameters test

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

  // stats tests

    assertSame(loader, cache.localCache.defaultLoader);
  }

  // null parameters test

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

  // stats tests