public void testCacheBadUsage() throws Exception {
Cache cache;
cache = new CacheImpl();
cache.initialize(new String[] { MAP_CACHE_LEVEL, LRU_CACHE_LEVEL, MAP_CACHE_LEVEL, MAP_CACHE_LEVEL });
// insufficient number of keys
try {
cache.put("value", "l1", "l2", "l3");
} catch (IllegalArgumentException e) {