}
public void testValueBoundUnBound() {
value.valueBoundEvent = null;
value.valueUnboundEvent = null;
session.setAttribute("key", new HttpSessionMapBindingListener(value, new HttpSessionMap(request)));
assertNotNull(value.valueBoundEvent);
assertNull(value.valueUnboundEvent);
value.valueBoundEvent = null;
value.valueUnboundEvent = null;
session.removeAttribute("key");