assertEquals(
          arraySize * Long.SIZE,
          BloomFilter.create(Funnels.unencodedCharsFunnel(), i, fpp).bitSize());
    }
  }

  public void testApproximateElementCount() {
    int numInsertions = 1000;
    BloomFilter<Integer> bf = BloomFilter.create(Funnels.integerFunnel(), numInsertions);
    bf.put(-1);
    for (int i = 0; i < numInsertions; i++) {
      bf.put(i);