public void ShouldThrowOnDrawCardIfDeckIsNull()
{
var cds = new CardDrawingService();
var ex = Assert.Throws <ArgumentNullException>(() => cds.DrawCard(null));
Assert.That(ex.ParamName, Is.EqualTo("deck"));
}
public void ShouldThrowOnConstructorIfCardScoringServiceNull()
{
var cds = new CardDrawingService();
var css = default(CardScoringService);
var ex = Assert.Throws <ArgumentNullException>(() => new GamePlayingService(cds, css));
Assert.That(ex.ParamName, Is.EqualTo("scoringService"));
}
public void ShouldThrowOnDrawCardFromDeckIfNoCardsLeft()
{
var cds = new CardDrawingService();
var deck = new List <Card>(0);
var ex = Assert.Throws <InvalidOperationException>(() => cds.DrawCard(deck));
Assert.That(ex.Message, Contains.Substring("Cannot draw card."));
}
public void ShouldThrowOnDrawHandFromDeckIfNotEnoughCardsLeft()
{
var cds = new CardDrawingService();
var deck = new List <Card>(1)
{
new Card(Kinds.Ace, Suits.Diamonds)
};
var ex = Assert.Throws <InvalidOperationException>(() => cds.DrawHand(deck, 2));
Assert.That(ex.Message, Contains.Substring("Cannot draw hand."));
}
public void ShouldDrawCardFromDeckIfCardsLeft()
{
var cds = new CardDrawingService();
var deck = cds.DrawDeck();
const int cardsInFullDeck = 52;
for (var index = 0; index < cardsInFullDeck; index++)
{
var card = cds.DrawCard(deck);
var cardsLeft = cardsInFullDeck - (index + 1);
Assert.That(deck.Count, Is.EqualTo(cardsLeft));
}
}
public void ShouldDrawDeckWithAllKindsAndSuits()
{
var cds = new CardDrawingService();
var deck = cds.DrawDeck();
Assert.That(deck.Count, Is.EqualTo(52));
var kinds = (Enum.GetValues(typeof(Kinds)) as Kinds[])
.Where(kind => kind != Kinds.Any).ToArray();
var suits = (Enum.GetValues(typeof(Suits)) as Suits[])
.Where(suit => suit != Suits.Any).ToArray();
foreach (var kind in kinds)
{
foreach (var suit in suits)
{
var card = deck.Single(c => c.Kind == (int)kind && c.Suit == (int)suit);
}
}
Assert.Pass("Cards of every kind and suit found in deck.");
}
