public void should_caculate_postage_for_food()
{
var food = new Food(4);
var postage = new PostageCalculator().GetPostage(new List<IPostable> {food});
Assert.AreEqual(16, postage);
}
public void should_caculate_postage_for_oven()
{
var oven = new Oven(2);
var postage = new PostageCalculator().GetPostage(new List<IPostable> {oven});
Assert.AreEqual(80, postage);
}
public void should_caculate_postage_for_book()
{
var book = new Book(3);
var postage = new PostageCalculator().GetPostage(new List<IPostable> {book});
Assert.AreEqual(9, postage);
}
