assertTrue("size = " + size, size == 100);
try {
FilteringIterator fi = new FilteringIterator(new SortedMapIterator(tm), f);
Key k = new Key(new Text("500"));
fi.seek(new Range(k, null), EMPTY_COL_FAMS, false);
TreeMap<Key,Value> tmOut = new TreeMap<Key,Value>();
while (fi.hasTop()) {
tmOut.put(fi.getTopKey(), fi.getTopValue());
fi.next();
}