}
test(bds1.intersection(hds).size() == icount);
test(bds1.intersectionSize(hds) == icount);
test(hds1.intersection(bds).size() == icount);
test(hds1.intersectionSize(bds) == icount);
test(hds1.intersection(hds).size() == icount);
test(hds1.intersectionSize(hds) == icount);
ret += icount;
}