public void Detach(Shop shop) { shops.Remove(shop); if (priceNotifier == null) return; priceNotifier -= new Notifier(shop.Update); }
public void check_all_the_shops_notified_with_latest_price() { Book yaanaBook = new Book(); Shop jayangarShop = new Shop("Jayanagar Shop"); yaanaBook.Attach(jayangarShop); Shop jpNagarShop = new Shop("JP Nagar Shop"); yaanaBook.Attach(jpNagarShop); Shop krRoadShop = new Shop("KR Road Shop"); yaanaBook.Attach(krRoadShop); decimal latestPrice = 250m; yaanaBook.UpdatePrice(latestPrice); Assert.AreEqual(latestPrice, jayangarShop.Price); Assert.AreEqual(latestPrice, jpNagarShop.Price); Assert.AreEqual(latestPrice, krRoadShop.Price); }
public void Attach(Shop shop) { shops.Add(shop); priceNotifier += new Notifier(shop.Update); }