public void CannotMoveOutOfBoxBoundaries()
{
var box = new Box(10);
var apple = new Apple(Apple.AppleKind.Golden);
Assert.ThrowsException <IndexOutOfRangeException>(() => apple.MoveToBox(box, -1), "Apple can be moved at -1");
Assert.ThrowsException <IndexOutOfRangeException>(() => apple.MoveToBox(box, 10), "Apple can be moved at 10");
}
public void CannotMoveToNullBox()
{
var box = new Box(10);
var apple = new Apple(Apple.AppleKind.Golden);
apple.MoveToBox(box, 7);
Assert.ThrowsException <ArgumentNullException>(() => apple.MoveToBox(null, 0));
}
public void CanMoveFromHandToBox()
{
var box = new Box(10);
var apple = new Apple(Apple.AppleKind.Golden);
apple.MoveToBox(box, 7);
Assert.IsTrue(object.ReferenceEquals(apple, box.Apples.ElementAt(7)), "Apple not found in box position 7");
Assert.IsTrue(object.ReferenceEquals(box, apple.Box), "Apple is not set in the right box");
}
public void CanMoveFromOneBoxToAnother()
{
var pinkBox = new Box(10);
var redBox = new Box(10);
var apple = new Apple(Apple.AppleKind.RedDelicious);
pinkBox.AddApple(apple, 0);
apple.MoveToBox(redBox, 3);
Assert.IsTrue(object.ReferenceEquals(apple, redBox.Apples.ElementAt(3)), "Apple not found in red box position 3");
Assert.IsTrue(object.ReferenceEquals(redBox, apple.Box), "Apple is not set in the right box");
Assert.AreEqual(-1, pinkBox.GetApplePosition(apple));
}
public void AddApple(Apple apple, int position)
{
if (_apples[position] != null)
{
throw new ArgumentException("Compartment already occupied", nameof(position));
}
if (apple == null)
{
throw new ArgumentNullException(nameof(apple));
}
if (position < 0 || position > _apples.Length - 1)
{
throw new IndexOutOfRangeException("Cannot add apple outside compartments");
}
apple.MoveToBox(this, position);
}
