@Test
public void testContains() throws Exception {

    System.out.println("contains");
    BloomFilterAlt instance = new BloomFilterAlt(10000, 10);
    for (int i = 0; i < 10; i++) {
        instance.add(Integer.toBinaryString(i));
        assert(instance.contains(Integer.toBinaryString(i)));
    }
    assertFalse(instance.contains(UUID.randomUUID().toString()));
}