public void testStress() throws Exception {
// sanity test that exercises LongHashSet2 and LongLinkedList
int inserts = 100000;
int maxSize = 8000;
SampledSet<Long> set = new SampledSetImpl<>(
maxSize, new LongDigestFunction(), new LongHashSetFactory(maxSize)
);
timeAdds("custom-long-hash-set-2", set, inserts);
}