public void clear() {
        filter_.clear();
    }
@Ignore
    @Test
    public void timeit() {
        int size = 300 * FilterTest.ELEMENTS;
        bf = new BloomFilter(size, FilterTest.spec.bucketsPerElement);
        for (int i = 0; i < 10; i++) {
            FilterTest.testFalsePositives(bf,
                    new KeyGenerator.RandomStringGenerator(new Random().nextInt(), size),
                    new KeyGenerator.RandomStringGenerator(new Random().nextInt(), size));
            bf.clear();
        }
    }