public void TestMethod1()
{
IFlyBehaviour flyBehaviour = new FlyBehaviour();
MallardDuck mallardDuck = new MallardDuck(flyBehaviour);
RedheadDuck redheadDuck = new RedheadDuck(flyBehaviour);
IFlyBehaviour noFlyBehaviour = new NoFlyBehaviour();
RubberDuck rubberDuck = new RubberDuck(noFlyBehaviour);
mallardDuck.Display();
mallardDuck.Fly();
redheadDuck.Display();
redheadDuck.Fly();
rubberDuck.Display();
rubberDuck.Fly();
rubberDuck.ChangeFlyBehaviour(flyBehaviour);
rubberDuck.Fly();
redheadDuck.Swim();
mallardDuck.Swim();
rubberDuck.Swim();
}
