public void Test()
{
var structure = new Structure();
structure.Attach(new ConcreteElementA());
structure.Attach(new ConcreteElementB());
var visitorA = new ConcreteVisitorA();
var visitorB = new ConcreteVisitorB();
structure.Accept(visitorA);
structure.Accept(visitorB);
}
public void Test()
{
Visitor visitorA = new ConcreteVisitorA();
Visitor visitorB = new ConcreteVisitorB();
Element elementA = new ConcreteElementA();
Element elementB = new ConcreteElementB();
Assert.That(elementA.Accept(visitorA), Is.EqualTo("ConcreteElementA visited by ConcreteVisitorA"));
Assert.That(elementA.Accept(visitorB), Is.EqualTo("ConcreteElementA visited by ConcreteVisitorB"));
Assert.That(elementB.Accept(visitorA), Is.EqualTo("ConcreteElementB visited by ConcreteVisitorA"));
Assert.That(elementB.Accept(visitorB), Is.EqualTo("ConcreteElementB visited by ConcreteVisitorB"));
}