}
public static void testNextSetBit2() {
FixedSizeBitSet set=new FixedSizeBitSet(64);
set.set(0);
int index=set.nextSetBit(0);
assert index == 0 : "expected 0 but got " + index;
}
public static void testCardinality() {
FixedSizeBitSet set=new FixedSizeBitSet(20);