assertEquals(Integer.valueOf(20), asMap.get(2));
    assertEquals(Integer.valueOf(50), cache.getIfPresent(10));
    assertEquals(Integer.valueOf(50), asMap.get(10));
  }

  public void testRemovalListener() {
    int[] stats = new int[4];

    RemovalListener<Integer, Integer> countingListener =
        new RemovalListener<Integer, Integer>() {
          @Override