public void CanDeQueue()
{
AnimalShelter Shelter = new AnimalShelter(new Animal("dog"));
Shelter.EnQueue(new Animal("dog"));
Shelter.EnQueue(new Animal("cat"));
Shelter.EnQueue(new Animal("dog"));
// if the user input != cat || dog
Assert.Equal("dog", Shelter.DeQueue("Ninja").Value);
// if the user puts in a correct input
Assert.Equal("cat", Shelter.DeQueue("cat").Value);
// if there is no cat, return the front
Assert.Equal("dog", Shelter.DeQueue("cat").Value);
}
public static void DeQueue_return_front_then_DeQueue_cat_returns_cat()
{
AnimalShelter <Animal> shelter = new AnimalShelter <Animal>();
shelter.Enqueue(new Dog("Melo"));
shelter.Enqueue(new Dog("Remy"));
shelter.Enqueue(new Cat("Misty"));
Animal melo = shelter.DeQueue();
Animal misty = shelter.DeQueue(AnimalType.Cat);
Assert.Equal("Melo", melo.Name);
Assert.Equal("Misty", misty.Name);
Assert.Equal("{ Remy } -> NULL", shelter.ToString());
}
public void DeQueue_throws_EmptyEx_on_empty()
{
AnimalShelter <Animal> shelter = new AnimalShelter <Animal>();
Exception ex = Assert.Throws <EmptyQueueException>(() =>
{
shelter.DeQueue();
});
Assert.Equal("Queue is empty", ex.Message);
}
public static void DeQueue_return_front()
{
AnimalShelter <Animal> shelter = new AnimalShelter <Animal>();
shelter.Enqueue(new Dog("Melo"));
shelter.Enqueue(new Dog("Remy"));
shelter.Enqueue(new Cat("Misty"));
Animal melo = shelter.DeQueue();
Assert.Equal("Melo", melo.Name);
}
public static void DeQueue_return_correct_type_dog()
{
AnimalShelter <Animal> shelter = new AnimalShelter <Animal>();
shelter.Enqueue(new Dog("Melo"));
shelter.Enqueue(new Dog("Remy"));
shelter.Enqueue(new Cat("Misty"));
Animal melo = shelter.DeQueue(AnimalType.Dog);
Assert.Equal("Melo", melo.Name);
}