void NotificationCenterTest::test4()
{
NotificationCenter nc;
Observer<NotificationCenterTest, Notification> o1(*this, &NotificationCenterTest::handle1);
Observer<NotificationCenterTest, Notification> o2(*this, &NotificationCenterTest::handle2);
nc.addObserver(o1);
assert (nc.hasObserver(o1));
nc.addObserver(o2);
assert (nc.hasObserver(o2));
nc.postNotification(new Notification);
assert (_set.size() == 2);
assert (_set.find("handle1") != _set.end());
assert (_set.find("handle2") != _set.end());
nc.removeObserver(Observer<NotificationCenterTest, Notification>(*this, &NotificationCenterTest::handle1));
assert (!nc.hasObserver(o1));
nc.removeObserver(Observer<NotificationCenterTest, Notification>(*this, &NotificationCenterTest::handle2));
assert (!nc.hasObserver(o2));
_set.clear();
nc.postNotification(new Notification);
assert (_set.empty());
Observer<NotificationCenterTest, Notification> o3(*this, &NotificationCenterTest::handle3);
nc.addObserver(o3);
assert (nc.hasObserver(o3));
nc.postNotification(new Notification);
assert (_set.size() == 1);
assert (_set.find("handle3") != _set.end());
nc.removeObserver(Observer<NotificationCenterTest, Notification>(*this, &NotificationCenterTest::handle3));
assert (!nc.hasObserver(o3));
}
int main_1(int argc, char** argv) {
NotificationCenter nc;
Target target;
// Observer works with plain pointers to Notification objects.
nc.addObserver(
Observer<Target, BaseNotification>(target, &Target::handleBase));
// NObserver works with AutoPtr<Notification>.
// handleBase and handleSub both got this
nc.addObserver(
NObserver<Target, SubNotification>(target, &Target::handleSub));
std::cout << "* postNotification: BaseNotification" << std::endl;
nc.postNotification(new BaseNotification("Base Class Notification"));
// Targets subscribed for a particular notification class also receive
// notifications that are subclasses of that class.
std::cout << "* postNotification: SubNotification" << std::endl;
nc.postNotification(new SubNotification("Sub Class Notification"));
nc.removeObserver(
Observer<Target, BaseNotification>(target, &Target::handleBase));
nc.removeObserver(
NObserver<Target, SubNotification>(target, &Target::handleSub));
return 0;
}
// 중재자(Mediator) 패턴
// - 복잡한 객체간의 관계를 단순화 시켜주는 클래스
int main()
{
NotificationCenter& globalCenter = NotificationCenter::defaultCenter();
NotificationCenter nc;
nc.addObserver("LOWBATTERY", &foo);
nc.addObserver("LOWBATTERY", bind(&goo, 5));
Dialog dialog;
nc.addObserver("LOWBATTERY", bind(&Dialog::warning, &dialog));
// 이제 배터리를 체크하는 모듈에서
nc.postNotificationWithName("LOWBATTERY");
}
void NotificationCenterTest::test5()
{
NotificationCenter nc;
nc.addObserver(Observer<NotificationCenterTest, Notification>(*this, &NotificationCenterTest::handle1));
nc.addObserver(Observer<NotificationCenterTest, TestNotification>(*this, &NotificationCenterTest::handleTest));
nc.postNotification(new Notification);
assert (_set.size() == 1);
assert (_set.find("handle1") != _set.end());
_set.clear();
nc.postNotification(new TestNotification);
assert (_set.size() == 2);
assert (_set.find("handle1") != _set.end());
assert (_set.find("handleTest") != _set.end());
nc.removeObserver(Observer<NotificationCenterTest, Notification>(*this, &NotificationCenterTest::handle1));
nc.removeObserver(Observer<NotificationCenterTest, TestNotification>(*this, &NotificationCenterTest::handleTest));
}
void NotificationCenterTest::testAuto()
{
NotificationCenter nc;
nc.addObserver(NObserver<NotificationCenterTest, Notification>(*this, &NotificationCenterTest::handleAuto));
nc.postNotification(new Notification);
assert (_set.size() == 1);
assert (_set.find("handleAuto") != _set.end());
nc.removeObserver(NObserver<NotificationCenterTest, Notification>(*this, &NotificationCenterTest::handleAuto));
}
void NotificationCenterTest::test2()
{
NotificationCenter nc;
nc.addObserver(Observer<NotificationCenterTest, Notification>(*this, &NotificationCenterTest::handle1));
assert (nc.hasObservers());
assert (nc.countObservers() == 1);
nc.postNotification(new Notification);
assert (_set.size() == 1);
assert (_set.find("handle1") != _set.end());
nc.removeObserver(Observer<NotificationCenterTest, Notification>(*this, &NotificationCenterTest::handle1));
assert (!nc.hasObservers());
assert (nc.countObservers() == 0);
}