public void ApplyingMovementsToXYPointsWorksLikeSimpleAddition(int startX, int startY, int moveX, int moveY, int endX, int endY)
{
var originalPoint = new XYPoint(startX, startY);
var movement = new Movement(moveX, moveY);
var expectedFinalPoint = new XYPoint(endX, endY);
//ApplyTo method removed.
//Assert.AreEqual(expectedFinalPoint, movement.ApplyTo(originalPoint));
Assert.AreEqual(expectedFinalPoint, originalPoint.Move(movement));
Assert.AreEqual(expectedFinalPoint, originalPoint + movement);
}
