static void Main(string[] args)
{
var subject = new Subject();
var observer1 = new Observer1();
var observer2 = new Observer2();
subject.Attach(observer1);
subject.Attach(observer2);
subject.NotifyChange("Test change state 1");
subject.Detach(observer2);
subject.NotifyChange("Test change state 2");
Console.ReadLine();
}
public void UnitTest()
{
IDataProvider dataProvider = new DataProvider(32, 102, 30);
ISubject subject = new WeatherData(dataProvider);
IOberserver o1 = new Observer1();
IOberserver o2 = new Observer2();
IOberserver o3 = new Observer3();
subject.RegisterObserver(o1);
subject.RegisterObserver(o2);
subject.RegisterObserver(o3);
dataProvider.ChangeTemperature(36);
dataProvider.ChangePressure(110);
dataProvider.ChangeTemperature(80);
subject.RemoveObserver(o3);
dataProvider.ChangeTemperature(31);
}