final FieldCache cache = FieldCache.DEFAULT;
cache.purgeAllCaches();
assertEquals(0, cache.getCacheEntries().length);
Bytes bytes = cache.getBytes(ar, "bogusbytes", true);
assertEquals(0, bytes.get(0));
Shorts shorts = cache.getShorts(ar, "bogusshorts", true);
assertEquals(0, shorts.get(0));
Ints ints = cache.getInts(ar, "bogusints", true);