// from TestPredicatedMap
//-----------------------------------------------------------------------
public void testEntrySet() {
SortedMap map = makeTestSortedMap();
assertTrue("returned entryset should not be null",
map.entrySet() != null);
map = decorateMap(new TreeMap(), null, null);
map.put("oneKey", "oneValue");
assertTrue("returned entryset should contain one entry",
map.entrySet().size() == 1);
map = decorateMap(map, null, null);