public void DealShouldReturnNullWhenNoCardsLeftInDeck()
{
var deck = new Deck();
for (int i = 0; i < 52; i++)
{
Card? dealt = deck.Deal();
Assert.That(dealt.HasValue, Is.True);
}
var card = deck.Deal();
Assert.That(card, Is.Null);
}
public void DealShouldRemoveCardFromDeck()
{
var deck = new Deck();
Card? card = deck.Deal();
Assert.That( deck.Contains(card.Value), Is.False);
}
private static void AssertDecksHaveDifferentOrder(Deck first, Deck second)
{
int mismatches = 0;
for (int i = 0; i < 52; i++)
{
var cardA = first.Deal().Value;
var cardB = second.Deal().Value;
if (!cardA.Equals(cardB))
mismatches++;
}
Assert.That(mismatches, Is.AtLeast(2));
}