public void Can_Add_New_Promo()
{
Promo promo = new Promo();
// Действие
promo.AddItem();
promo.AddItem();
List <PromoLine> results = promo.Lines.ToList();
// Утверждение
Assert.AreEqual(results.Count(), 2);
Assert.AreEqual(results[0].PromoId, 1);
Assert.AreEqual(results[1].PromoId, 2);
}
public void Can_Remove_Promo()
{
Promo promo = new Promo();
// Действие
promo.AddItem();
promo.AddItem();
promo.AddItem();
PromoLine p = promo.Lines.ElementAt(1);
promo.RemoveLine(p);
List <PromoLine> results = promo.Lines.ToList();
// Утверждение
Assert.AreEqual(promo.Lines.Where(c => c == p).Count(), 0);
Assert.AreEqual(promo.Lines.Count(), 2);
Assert.AreEqual(results[0].PromoId, 1);
Assert.AreEqual(results[1].PromoId, 3);
}
