static void Main(string[] args)
{
Client client = new Client();
// This way the client code can support the simple leaf
// components...
Leaf leaf = new Leaf();
Console.WriteLine("Client: I get a simple component:");
client.ClientCode(leaf);
// ...as well as the complex composites.
Composite tree = new Composite();
Composite branch1 = new Composite();
branch1.Add(new Leaf());
branch1.Add(new Leaf());
Composite branch2 = new Composite();
branch2.Add(new Leaf());
tree.Add(branch1);
tree.Add(branch2);
Console.WriteLine("Client: Now I've got a composite tree:");
client.ClientCode(tree);
Console.Write("Client: I don't need to check the components classes even when managing the tree:\n");
client.ClientCode2(tree, leaf);
}
public void Test()
{
var compositeA = new Composite("CompositeA");
compositeA.Add(new Leaf("LeafA"));
compositeA.Add(new Leaf("LeafB"));
var compositeB = new Composite("CompositeB");
compositeB.Add(new Leaf("LeafC"));
compositeB.Add(new Leaf("LeafD"));
compositeA.Add(compositeB);
Console.WriteLine(compositeA);
}
public void CompositeUsage()
{
IComponent c1 = new Leaf();
IComponent c2 = new Leaf();
IComponent c3 = new Leaf();
DesignPatterns.Structural.Composite.Composite composite = new DesignPatterns.Structural.Composite.Composite(c1, c2);
composite.Add(c3);
composite.Operation();
Assert.IsTrue(true);
}