public void FlyweightTest()
{
// The client code usually creates a bunch of pre-populated
// flyweights in the initialization stage of the application.
var factory = new FlyweightFactory(
new Car {
Company = "Chevrolet", Model = "Camaro2018", Color = "pink"
},
new Car {
Company = "Mercedes Benz", Model = "C300", Color = "black"
},
new Car {
Company = "Mercedes Benz", Model = "C500", Color = "red"
},
new Car {
Company = "BMW", Model = "M5", Color = "red"
},
new Car {
Company = "BMW", Model = "X6", Color = "white"
}
);
factory.ListFlyweights().Count().Should().Be(5);
AddCarToPoliceDatabase(factory, new Car
{
Number = "CL234IR",
Owner = "James Doe",
Company = "BMW",
Model = "M5",
Color = "red"
});
AddCarToPoliceDatabase(factory, new Car
{
Number = "CL234IR",
Owner = "James Doe",
Company = "BMW",
Model = "X1",
Color = "red"
});
factory.ListFlyweights().Count().Should().Be(6);
}
public static void Run()
{
var factory = new FlyweightFactory(
new Car {
Company = "Chevrolet", Model = "Camaro2018", Color = "pink"
},
new Car {
Company = "Mercedes Benz", Model = "C300", Color = "black"
},
new Car {
Company = "Mercedes Benz", Model = "C500", Color = "red"
},
new Car {
Company = "BMW", Model = "M5", Color = "red"
},
new Car {
Company = "BMW", Model = "X6", Color = "white"
}
);
factory.ListFlyweights();
System.Console.WriteLine("Client: adding a car to database");
var car = new Car()
{
Number = "CL234IR",
Owner = "James Doe",
Company = "BMW",
Model = "M5",
Color = "red"
};
var flyweight = factory.GetFlyweight(car);
flyweight.Execute(car);
var newCar = new Car()
{
Number = "CL234IR",
Owner = "James Doe",
Company = "BMW",
};
Context context = new Context(factory, car, newCar);
context.Execute();
}
public void Use_Intrinsic_And_Extrinsic_States()
{
// The client code usually creates a bunch of pre-populated
// flyweights in the initialization stage of the application
var factory = new FlyweightFactory(
new Car {
Company = "Chevrolet", Model = "Camaro2018", Color = "pink"
},
new Car {
Company = "Mercedes Benz", Model = "C300", Color = "black"
},
new Car {
Company = "Mercedes Benz", Model = "C500", Color = "red"
},
new Car {
Company = "BMW", Model = "M5", Color = "red"
},
new Car {
Company = "BMW", Model = "X6", Color = "white"
}
);
Assert.Equal("Camaro2018_Chevrolet_pink\nblack_C300_Mercedes Benz\nC500_Mercedes Benz_red\nBMW_M5_red\nBMW_white_X6", factory.ListFlyweights());
Assert.Equal(
"Flyweight: Displaying shared {\"Owner\":null,\"Number\":null,\"Company\":\"BMW\",\"Model\":\"M5\",\"Color\":\"red\"} and unique {\"Owner\":\"James Doe\",\"Number\":\"CL234IR\",\"Company\":\"BMW\",\"Model\":\"M5\",\"Color\":\"red\"} state.",
AddCarToPoliceDatabase(factory, new Car
{
Number = "CL234IR",
Owner = "James Doe",
Company = "BMW",
Model = "M5",
Color = "red"
}));
Assert.Equal(
"Flyweight: Displaying shared {\"Owner\":null,\"Number\":null,\"Company\":\"BMW\",\"Model\":\"X1\",\"Color\":\"red\"} and unique {\"Owner\":\"James Doe\",\"Number\":\"CL234IR\",\"Company\":\"BMW\",\"Model\":\"X1\",\"Color\":\"red\"} state.",
AddCarToPoliceDatabase(factory, new Car
{
Number = "CL234IR",
Owner = "James Doe",
Company = "BMW",
Model = "X1",
Color = "red"
}));
Assert.Equal("Camaro2018_Chevrolet_pink\nblack_C300_Mercedes Benz\nC500_Mercedes Benz_red\nBMW_M5_red\nBMW_white_X6\nBMW_red_X1", factory.ListFlyweights());
}
