map.incrementAndGet(shards);
        last = chosen;
      }
    }
  }

  private static final int ITERS = 10000;
  private static final int MAX_SHARDS = 500;

  public void testConsistentHash_outOfRange() {
    assertThrows(IllegalArgumentException.class, () -> Hashing.consistentHash(5L, 0));
  }

  public void testConsistentHash_ofHashCode() {
    checkSameResult(HashCode.fromLong(1), 1);