assertEquals(Integer.valueOf(4), map.get(1));
    assertEquals(Integer.valueOf(5), cache.get(6));
    assertEquals(Integer.valueOf(6), cache.apply(7));
  }

  public void testExpireAfterAccess() {
    Cache<Integer, Integer> cache =
        CacheBuilder.newBuilder().expireAfterAccess(1000, MILLISECONDS).ticker(fakeTicker).build();

    cache.put(0, 10);
    cache.put(2, 30);

    ticker.advance(1);
    assertNull(map.get(key));
    segment.expireEntries(ticker.read());
    assertNull(map.get(key));
    assertTrue(segment.writeQueue.isEmpty());
  }

  public void testExpireAfterAccess() {
    FakeTicker ticker = new FakeTicker();
    LocalCache<Object, Object> map =
        makeLocalCache(
            createCacheBuilder()
                .concurrencyLevel(1)