return i++;
          }
        };

    LoadingCache<Integer, Integer> cache = CacheBuilder.newBuilder().build(loader);

    cache.put(10, 20);

    Map<Integer, Integer> map = cache.getAll(ImmutableList.of(10, 20, 30, 54, 443, 1));

    assertEquals(Integer.valueOf(20), map.get(10));
    assertEquals(Integer.valueOf(0), map.get(20));
    assertEquals(Integer.valueOf(1), map.get(30));