public void testDelete() { ExtObjectContainer oc = fixture().db(); initGenericObjects(); ReflectClass rc = getReflectClass(oc, PERSON_CLASSNAME); Assert.isNotNull(rc); Query q = oc.query(); q.constrain(rc); ObjectSet results = q.execute(); while (results.hasNext()) { Object o = results.next(); oc.delete(o); } oc.commit(); // now query to make sure there are none left q = oc.query(); q.constrain(rc); q.descend("surname").constrain("John"); results = q.execute(); Assert.isTrue(results.size() == 0); }