void testBuilder()
{
std::cout << "---------------------testBuilder.[start]" << std::endl;
Waiter* waiter = new Waiter();
PizzaBuilder* pb = new ChinesePizzaBuilder();
std::cout << "-------Chinest Pizza---------" << std::endl;
waiter->setPizzaBuilder(pb);
waiter->constructPizza();
delete pb;
std::cout << "------America Pizza----------" << std::endl;
pb = new AmericaPizzaBuilder();
waiter->setPizzaBuilder(pb);
waiter->constructPizza();
Pizza * p = waiter->getPizza();
std::cout << "---------------------testBuilder.[end]" << std::endl;
}
