checkString(q, "1111");
q = pm.newQuery(TestQueryClass.class);
q.setFilter("map.containsKey(null)");
checkString(q);
q = pm.newQuery(TestQueryClass.class);
q.setFilter("map.containsKey('123')");
checkString(q);
q = pm.newQuery(TestQueryClass.class);
q.setFilter("listObj.contains('123')");
checkString(q);
TestTools.closePM();