ctxt = TREE_TIMER.time();
canon.putAll(buffer);
ctxt.stop();
ctxt = BTREE_TIMER.time();
btree = BTree.update(btree, ICMP, buffer.keySet(), true, null);
ctxt.stop();
if (quickEquality)
testEqual("", BTree.<Integer>slice(btree, true), canon.keySet().iterator());
else
r.addAll(testAllSlices("RND", btree, canon.navigableKeySet()));