public void TestSetAge()
{
var item = new Platypus();
item.Age = 5;
Assert.Equal(5, item.Age);
}
public void TestIncorrectSetAge()
{
var item = new Platypus();
item.Age = -5;
Assert.Equal(0, item.Age);
}
public void PlatypusIsASwimmingAnimal()
{
Platypus abomination = new Platypus();
Assert.Equal("I'm a platypus and I can swim!", abomination.Swim());
Assert.IsAssignableFrom <Animals>(abomination);
}
public void PlatypusCanSpeakAndIsVenomous()
{
Platypus abomination = new Platypus();
Assert.Equal("Quack?", abomination.Speak());
Assert.True(abomination.IsVenomous);
}
public void TestEmptyConstructor()
{
var item = new Platypus();
Assert.Equal(0, item.Age);
Assert.Equal("Untitled", item.Name);
Assert.True(item.IsMale);
}
public void Interpret(Expr expr)
{
try {
Console.WriteLine(Evaluate(expr));
}
catch (RuntimeException ex) {
Platypus.GenerateRuntimeException(ex);
}
}
public void PlatypusHasBill()
{
//Arrange
Platypus p2 = new Platypus()
{
Name = "Shirley"
};
//Assert
Assert.Equal("duck bill", p2.billType);
}
public void PlatypusCanLayEgg()
{
//Arrange
Platypus p1 = new Platypus()
{
Name = "Silvia Plat"
};
//Assert
Assert.Equal("Plop goes the egg!", p1.LayEgg());
}
public void TestView()
{
var item = new Platypus();
var view = @"
_.-^~~^^^`~-,_,,~''''''```~,''``~'``~,
______,' -o :. _ . ; ,'`, `.
( -\.._,.;;'._ ,( } _`_-_,, `, `,
``~~~~~~' ((/'((((____/~~~~~~'(,(,___> `~'
";
Assert.Equal(view, item.View());
}
private async void AddPet_OnClicked(object sender, EventArgs e)
{
var newPetName = PetNameEntry.Text;
if (string.IsNullOrWhiteSpace(newPetName))
{
SetInfoLabel("Name must not be empty.");
return;
}
var ownerIndex = OwnerPicker.SelectedIndex;
if (ownerIndex < 0)
{
SetInfoLabel("Select an owner.");
return;
}
var owner = _people[ownerIndex];
Animal animal;
if (AnimalKindPicker.SelectedIndex == 0)
{
animal = new Dog();
}
else
{
animal = new Platypus();
}
animal.Name = newPetName;
animal.Owner = owner;
using (var db = new PetsDbContext())
{
db.People.Attach(owner);
db.Set <Animal>().Add(animal);
await db.SaveChangesAsync();
}
LoadPets();
}
static void Main(string[] args)
{
//
// OLD MACDONALD
//
Chicken chicken = new Chicken();
Cow cow = new Cow();
Duck duck = new Duck();
Velociraptor cicero = new Velociraptor();
Platypus occam = new Platypus();
// Show implicit casting (Chicken to Farm Animal)
FarmAnimal console = duck;
Console.WriteLine(console.NameOfAnimal);
Console.WriteLine(console.MakeSoundOnce());
Console.WriteLine(console.MakeSoundTwice());
Console.WriteLine();
// Show explicit casting (FarmAnimal to Chicken)
Duck myDuck = (Duck)console;
Console.WriteLine(myDuck.NameOfAnimal);
Console.WriteLine(myDuck.MakeSoundOnce());
Console.WriteLine(myDuck.MakeSoundTwice());
Console.WriteLine();
//Applying Polymorphism, we're allowed to work in terms of
// generic types and not concrete classes. In this case
// the list holds a collection of IFarmAnimal, meaning
// any class that implements the IFarmAnimal interface is allowed
// to be in the list.
//Console.WriteLine("Old MacDonald had a farm ee ay ee ay oh");
//Console.WriteLine("And on his farm there was a " + chicken.NameOfAnimal + " ee ay ee ay oh");
//Console.WriteLine("With a " + chicken.MakeSoundTwice() + " here and a " + chicken.MakeSoundTwice() + " there");
//Console.WriteLine("Here a " + chicken.MakeSoundOnce() + ", there a " + chicken.MakeSoundOnce() + " everywhere a " + chicken.MakeSoundTwice());
//Console.WriteLine("Old Macdonald had a farm, ee ay ee ay oh");
//Console.WriteLine();
//Console.WriteLine("And on his farm there was a " + cow.NameOfAnimal + " ee ay ee ay oh");
//Console.WriteLine("With a " + cow.MakeSoundTwice() + " here and a " + cow.MakeSoundTwice() + " there");
//Console.WriteLine("Here a " + cow.MakeSoundOnce() + ", there a " + cow.MakeSoundOnce() + " everywhere a " + cow.MakeSoundTwice());
//Console.WriteLine("Old Macdonald had a farm, ee ay ee ay oh");
//Console.WriteLine();
//Console.WriteLine("And on his farm there was a " + duck.NameOfAnimal + " ee ay ee ay oh");
//Console.WriteLine("With a " + duck.MakeSoundTwice() + " here and a " + duck.MakeSoundTwice() + " there");
//Console.WriteLine("Here a " + duck.MakeSoundOnce() + ", there a " + duck.MakeSoundOnce() + " everywhere a " + duck.MakeSoundTwice());
//Console.WriteLine("Old Macdonald had a farm, ee ay ee ay oh");
//Console.WriteLine();
// ----- THIS IS GETTING REPETITIVE!
// We can do better
// How can we use what we've learned about inheritance
// to help us remove code duplication
//
// What if we create some sort of base class that all our animals have in common?
List <FarmAnimal> animals = new List <FarmAnimal>();
animals.Add(chicken);
animals.Add(cow);
animals.Add(duck);
Console.WriteLine("Old MacDonald had a farm ee ay ee ay oh");
foreach (FarmAnimal animal in animals)
{
Console.WriteLine("And on his farm there was a " + animal.NameOfAnimal + " ee ay ee ay oh");
Console.WriteLine("With a " + animal.MakeSoundTwice() + " here and a " + animal.MakeSoundTwice() + " there");
Console.WriteLine("Here a " + animal.MakeSoundOnce() + ", there a " + animal.MakeSoundOnce() + " everywhere a " + animal.MakeSoundTwice());
Console.WriteLine("Old Macdonald had a farm, ee ay ee ay oh");
Console.WriteLine();
}
// Interface
List <IFarmAnimal> interfaceAnimals = new List <IFarmAnimal>();
interfaceAnimals.Add(cicero);
interfaceAnimals.Add(occam);
Console.WriteLine();
Console.WriteLine("Old MacDonald had a farm ee ay ee ay oh");
foreach (IFarmAnimal animal in interfaceAnimals)
{
Console.WriteLine("And on his farm there was a " + animal.NameOfAnimal + " ee ay ee ay oh");
Console.WriteLine("With a " + animal.MakeSoundTwice() + " here and a " + animal.MakeSoundTwice() + " there");
Console.WriteLine("Here a " + animal.MakeSoundOnce() + ", there a " + animal.MakeSoundOnce() + " everywhere a " + animal.MakeSoundTwice());
Console.WriteLine("Old Macdonald had a farm, ee ay ee ay oh");
Console.WriteLine();
}
George friend = new George();
friend.Fly();
Console.WriteLine(friend.NameOfAnimal);
Console.WriteLine(friend.MakeSoundOnce());
Console.WriteLine(friend.MakeSoundTwice());
Console.WriteLine();
Console.WriteLine();
Console.WriteLine();
Console.WriteLine();
int width = 25;
Console.WriteLine(CreateRow("Employee", "Hours Worked", "Total Weekly Pay", width));
Console.WriteLine();
Console.WriteLine(CreateRow("Bob Mackey", "20", "200", width));
Console.WriteLine("{0, -20}{1, -20}{2, -20}", "Employee", "Hours Worked", "Total Weekly Pay");
Console.WriteLine();
Console.WriteLine("{0, -20}{1, -20}{2, -20}", "Bob Mackey", "20", "200");
Console.ReadKey();
}
/// <summary>
/// Creates a new zoo.
/// </summary>
/// <returns> The created zoo.</returns>
public static Zoo NewZoo()
{
Zoo zoo = new Zoo("Como Zoo", 1000, 4, 0.75m, 15.00m, 3640.25m, new Employee("Sam", 42), new Employee("Flora", 98), 3);
// Add money to the animal snack machine.
zoo.AnimalSnackMachine.AddMoney(42.75m);
// Define an animal variable.
Animal animal;
// Create a new Dingo and add him to the list of animals.
animal = new Dingo("Dolly", 4, 35.3);
animal.MakePregnant();
zoo.AddAnimal(animal);
// Create a new Dingo and add him to the list of animals.
animal = new Dingo("Dixie", 3, 33.8);
animal.MakePregnant();
zoo.AddAnimal(animal);
// Create a new platypus and add him to the list of animals.
animal = new Platypus("Patty", 2, 15.5);
animal.MakePregnant();
zoo.AddAnimal(animal);
// Create a new Hummingbird and add him to the list of animals.
animal = new Hummingbird("Harold", 1, 0.5);
zoo.AddAnimal(animal);
// Create a new chimp and add him to the list of animals.
animal = new Chimpanzee("Noah", 12, 500);
zoo.AddAnimal(animal);
// Create a new eagle and add him to the list of animals.
animal = new Eagle("Tracy", 300, 10);
zoo.AddAnimal(animal);
// Create a new kangaroo and add him to the list of animals.
animal = new Kangaroo("Jeff", 25, 30);
zoo.AddAnimal(animal);
// Create a new ostrich and add him to the list of animals.
animal = new Ostrich("Jake", 40, 200);
zoo.AddAnimal(animal);
// Create a new shark and add him to the list of animals.
animal = new Shark("Max", 23, 185);
zoo.AddAnimal(animal);
// Create a new squirrel and them to the list.
animal = new Squirrel("Matt", 21, 200);
zoo.AddAnimal(animal);
// Create a guest.
Guest guest = new Guest("Greg", 44, 150.35m, "Brown");
// Add the guest and sell the ticket to the guest.
zoo.AddGuest(guest, zoo.SellTicket(guest));
// Create a guest.
guest = new Guest("Darla", 11, 25.25m, "Salmon");
// Add the guest and sell the ticket to the guest.
zoo.AddGuest(guest, zoo.SellTicket(guest));
return(zoo);
}
