public void Queue_stays_in_order_after_dequeue_in_middle()
{
// Arrange
AnimalShelter <Animal> testQueue = new AnimalShelter <Animal>();
Dog newDog = new Dog();
Cat newCat = new Cat();
testQueue.ArriveAtShelter(newDog);
testQueue.ArriveAtShelter(newCat);
testQueue.ArriveAtShelter(newDog);
testQueue.ArriveAtShelter(newCat);
// Removing from center to prove the order stays the same
testQueue.TakeHome <Cat>();
// Act
Dog firstDog = testQueue.TakeHome <Dog>();
Dog secondDog = testQueue.TakeHome <Dog>();
Cat secondCat = testQueue.TakeHome <Cat>();
//Assert
Assert.Equal("dog", firstDog.Type);
Assert.Equal("dog", secondDog.Type);
Assert.Equal("cat", secondCat.Type);
}
public void Can_dequeue_selected_animal_is_at_front_node()
{
// Arrange
AnimalShelter <Animal> testQueue = new AnimalShelter <Animal>();
Dog newDog = new Dog();
testQueue.ArriveAtShelter(newDog);
testQueue.ArriveAtShelter(newDog);
// Act
Dog result = testQueue.TakeHome <Dog>();
//Assert
Assert.Equal("dog", result.Type);
}
public void Cannnot_take_home_other_than_cat_or_dog()
{
// Arrange
AnimalShelter <Animal> testQueue = new AnimalShelter <Animal>();
Dog newDog = new Dog();
Cat newCat = new Cat();
testQueue.ArriveAtShelter(newDog);
testQueue.ArriveAtShelter(newDog);
testQueue.ArriveAtShelter(newDog);
// Act
Cat result = testQueue.TakeHome <Cat>();
//Assert
Assert.Null(result);
}
public void Can_dequeue_selected_animal_is_not_at_front()
{
// Arrange
AnimalShelter <Animal> testQueue = new AnimalShelter <Animal>();
Dog newDog = new Dog();
Cat newCat = new Cat();
testQueue.ArriveAtShelter(newDog);
testQueue.ArriveAtShelter(newDog);
testQueue.ArriveAtShelter(newCat);
// Act
Cat result = testQueue.TakeHome <Cat>();
//Assert
Assert.NotNull(result);
Assert.Equal("cat", result.Type);
}
public void Can_put_animals_into_shelter()
{
// Arrange
AnimalShelter <Animal> testQueue = new AnimalShelter <Animal>();
Dog newDog = new Dog();
// Act
testQueue.ArriveAtShelter(newDog);
Animal result = testQueue.Peek();
//Assert
Assert.Equal("dog", result.Type);
}
