static void Main(string[] args)
{
Console.WriteLine("Hello World!");
Pizza orderPizza;
List <Pizza> orderList = new List <Pizza>();
orderPizza = new MediumPizza();
orderPizza = new DoubleCheese(orderPizza);
// Console.WriteLine(orderPizza);
orderList.Add(orderPizza);
orderPizza = new SmallPizza();
orderPizza = new Olive(orderPizza);
orderPizza = new Ham(orderPizza);
// Console.WriteLine(orderPizza);
orderList.Add(orderPizza);
orderPizza = new BigPizza();
orderPizza = new Ham(orderPizza);
orderPizza = new DoubleCheese(orderPizza);
orderPizza = new Olive(orderPizza);
orderList.Add(orderPizza);
foreach (var pizza in orderList)
{
Console.WriteLine(pizza);
}
Console.ReadLine();
}
public void Each_property_gets_its_own_generator()
{
var olives = new Olive[4];
var toasts = new Toast[4];
using (var context = new PetsContext("Dance"))
{
olives[0] = context.Add(new Olive()).Entity;
toasts[0] = context.Add(new Toast()).Entity;
Assert.Equal(1, olives[0].Id);
Assert.Equal(1, toasts[0].Id);
olives[1] = context.Add(new Olive()).Entity;
toasts[1] = context.Add(new Toast()).Entity;
Assert.Equal(2, olives[1].Id);
Assert.Equal(2, toasts[1].Id);
context.SaveChanges();
Assert.Equal(1, olives[0].Id);
Assert.Equal(1, toasts[0].Id);
Assert.Equal(2, olives[1].Id);
Assert.Equal(2, toasts[1].Id);
olives[2] = context.Add(new Olive()).Entity;
toasts[2] = context.Add(new Toast()).Entity;
Assert.Equal(3, olives[2].Id);
Assert.Equal(3, toasts[2].Id);
context.SaveChanges();
}
using (var context = new PetsContext("Dance"))
{
olives[3] = context.Add(new Olive()).Entity;
toasts[3] = context.Add(new Toast()).Entity;
Assert.Equal(4, olives[3].Id);
Assert.Equal(4, toasts[3].Id);
context.SaveChanges();
}
Assert.Equal(1, olives[0].Id);
Assert.Equal(1, toasts[0].Id);
Assert.Equal(2, olives[1].Id);
Assert.Equal(2, toasts[1].Id);
Assert.Equal(3, olives[2].Id);
Assert.Equal(3, toasts[2].Id);
Assert.Equal(4, olives[3].Id);
Assert.Equal(4, toasts[3].Id);
}
public void Mixing_explicit_values_with_generated_values_with_care_works()
{
var olives = new Olive[4];
var toasts = new Toast[4];
using (var context = new PetsContext("Wercs"))
{
olives[0] = context.Add(new Olive {
Id = 10
}).Entity;
toasts[0] = context.Add(new Toast {
Id = 100
}).Entity;
context.SaveChanges();
olives[1] = context.Add(new Olive()).Entity;
toasts[1] = context.Add(new Toast()).Entity;
context.SaveChanges();
Assert.Equal(10, olives[0].Id);
Assert.Equal(100, toasts[0].Id);
Assert.Equal(11, olives[1].Id);
Assert.Equal(101, toasts[1].Id);
olives[2] = context.Add(new Olive {
Id = 20
}).Entity;
toasts[2] = context.Add(new Toast {
Id = 200
}).Entity;
context.SaveChanges();
olives[3] = context.Add(new Olive()).Entity;
toasts[3] = context.Add(new Toast()).Entity;
context.SaveChanges();
Assert.Equal(20, olives[2].Id);
Assert.Equal(200, toasts[2].Id);
Assert.Equal(21, olives[3].Id);
Assert.Equal(201, toasts[3].Id);
}
}
public void Generators_are_associated_with_database_root()
{
var serviceProvider1 = new ServiceCollection()
.AddEntityFrameworkInMemoryDatabase()
.BuildServiceProvider();
var serviceProvider2 = new ServiceCollection()
.AddEntityFrameworkInMemoryDatabase()
.BuildServiceProvider();
var root = new InMemoryDatabaseRoot();
var olives = new Olive[2];
var toasts = new Toast[2];
using (var context = new PetsContext("Drink", root, serviceProvider1))
{
olives[0] = context.Add(new Olive()).Entity;
toasts[0] = context.Add(new Toast()).Entity;
Assert.Equal(1, olives[0].Id);
Assert.Equal(1, toasts[0].Id);
context.SaveChanges();
}
using (var context = new PetsContext("Drink", root, serviceProvider2))
{
olives[1] = context.Add(new Olive()).Entity;
toasts[1] = context.Add(new Toast()).Entity;
Assert.Equal(2, olives[1].Id);
Assert.Equal(2, toasts[1].Id);
context.SaveChanges();
}
Assert.Equal(1, olives[0].Id);
Assert.Equal(1, toasts[0].Id);
Assert.Equal(2, olives[1].Id);
Assert.Equal(2, toasts[1].Id);
}
static void Main(string[] args)
{
Pizza largePizza = new LargePizza();
largePizza = new Cheese(largePizza);
largePizza = new Olive(largePizza);
largePizza = new Ham(largePizza);
Console.WriteLine($"{largePizza.GetDescription()} costs £{largePizza.CalculateCost()}");
Pizza smallPizza = new SmallPizza();
smallPizza = new Cheese(smallPizza);
smallPizza = new Olive(smallPizza);
smallPizza = new Ham(smallPizza);
Console.WriteLine($"{smallPizza.GetDescription()} costs £{smallPizza.CalculateCost()}");
Pizza mediumPizza = new MediumPizza();
mediumPizza = new Cheese(mediumPizza);
mediumPizza = new Olive(mediumPizza);
Console.WriteLine($"{mediumPizza.GetDescription()} costs £{mediumPizza.CalculateCost()}");
Pizza mediumPizza2 = new MediumPizza();
mediumPizza2 = new DoubleCheese(mediumPizza2);
mediumPizza2 = new Olive(mediumPizza2);
Console.WriteLine($"{mediumPizza2.GetDescription()} costs £{mediumPizza2.CalculateCost()}");
Console.ReadLine();
}
