public void _05_Creer_une_classe_abstraite_ItemDecorator_implementant_l_interface_item_et_initialisable_avec_un_item_et_faire_heriter_SpecialOffer_de_ItemDecorator()
{
Item offer = new SpecialOffer(new Book("Dune", 10M), 10);
Item soldout = new SoldOut(new SpecialOffer(new Book("Dune", 10M), 10));
Assert.IsAssignableFrom <Item>(offer);
Assert.IsAssignableFrom <ItemDecorator>(offer);
}
public void _04_Creer_une_classe_SpecialOffer_initialisable_avec_un_item_et_un_pourcentage_de_reduction()
{
Item book = new Book("Dune", 10M);
SpecialOffer offer1 = new SpecialOffer(book, 10);
Assert.Equal("Dune", offer1.Name);
Assert.Equal(9M, offer1.Price);
Item coffee = new Coffee("Expresso", 1M);
SpecialOffer offer2 = new SpecialOffer(coffee, 5);
Assert.Equal("Expresso", offer2.Name);
Assert.Equal(0.95M, offer2.Price);
}