public void Koan04_delegate_have_invocation_list()
{
using (var console = new ConsoleCapture())
{
SayYourName sayYourName = _bastien.SayYourName;
sayYourName += _emeric.SayYourName;
sayYourName();
console.ToString().Should().Be("FILL_ME_IN\n");
}
}
public void Koan06_events_are_delegates_with_restrictions()
{
using (var console = new ConsoleCapture())
{
var newBorn = new Person("baby");
newBorn.NameChanged += (name) => Console.WriteLine($"{name} is born!");
newBorn.SetName("Imen");
console.ToString().Should().Be("FILL ME IN\n");
// newBorn.NameChanged = (n) => { Console.WriteLine("you cannot affect an event with operator equal" );}
// newBorn.NameChanged(); // you cannot invoke event from outside it class
}
}
public void Koan07_events_are_null_until_they_are_affected()
{
using (var console = new ConsoleCapture())
{
KoanFinished.Should().BeNull();
KoanFinished += Finished;
KoanFinished.Invoke();
console.ToString().Should().Be("FILL ME IN\n");
KoanFinished -= Finished;
KoanFinished.Should().BeNull();
}
}