assertSame(value, result.get(key));
      assertNull(result.get(value));
      assertSame(value, cache.asMap().get(key));
      assertSame(key, cache.asMap().get(value));
    }
  }

  public void testBulkLoad_clobber() throws ExecutionException {
    final Object extraKey = new Object();
    final Object extraValue = new Object();
    CacheLoader<Object, Object> loader =
        new CacheLoader<Object, Object>() {