/**
 * Test case for 6-bit cutoff problems
 */
@Test
public void sixBitSixteenKRegisterCutoffBugTest() {
    Long temp = System.currentTimeMillis();

    // this does NOT work
    final HLL brokenHll4 = new HLL(13, 6);
    {
        Random rand = new Random(temp);
        for(int i=0; i<16384*16384; i++) {
            long random = rand.nextLong();
            brokenHll4.addRaw(random);
        }

        final long cardinality = brokenHll4.cardinality();

        assertTrue(cardinality > 0); // this does NOT work
    }

    // this DOES work
    final HLL brokenHll5 = new HLL(13, 5);
    {
        Random rand = new Random(temp);
        for(int i=0; i<16384*16384; i++) {
            long random = rand.nextLong();
            brokenHll5.addRaw(random);
        }

        final long cardinality = brokenHll5.cardinality();

        assertTrue(cardinality > 0); // this DOES work
    }
}