public void DeckMaintainsCorrectCountThroughNegativeTake()
{
// Arrange
ICardOrderingProvider cardOrderingProvider = new SuitMajorSortedCardOrderingProvider();
ICardDeck cardDeck = new SnapCardDeck(cardOrderingProvider);
// Act
// Weirdly the deck is modelled on a pile of cards (rather than an actual deck) and therefore
// has no requirement that any given card be unique (which has odd implications
// for the SortedCardOrderingProvider!). We will abuse this fact by filling the deck up
// with multiple instances of the same card
for (int i = 0; i < 5; i++) // Add 5
{
cardDeck.Add(new SnapCard(Suit.Diamonds, Rank.Five));
}
for (int i = 0; i < 150; i++) // Try to remove 150, actually remove 5.
{
cardDeck.Take();
}
for (int i = 0; i < 200; i++) // Add 200
{
cardDeck.Add(new SnapCard(Suit.Diamonds, Rank.Five));
}
// Assert
Assert.IsTrue(cardDeck.Count == (5 - 5 + 200));
}
public void DeckReturnsNullOnTakeWhenEmpty()
{
// Arrange
ICardOrderingProvider cardOrderingProvider = new SuitMajorSortedCardOrderingProvider();
ICardDeck cardDeck = new SnapCardDeck(cardOrderingProvider);
// Act
var test = cardDeck.Take();
// Assert
Assert.IsNull(test);
}
public void DeckCanTakeCard()
{
// Arrange
ICardOrderingProvider cardOrderingProvider = new SuitMajorSortedCardOrderingProvider();
ICardDeck cardDeck = new SnapCardDeck(cardOrderingProvider);
ICard card = new SnapCard(Suit.Spades, Rank.Ace);
// Act
cardDeck.Add(card);
var test = cardDeck.Take();
// Assert
Assert.IsTrue(cardDeck.IsEmpty);
}
public void DeckCanTakeCorrectCard()
{
// Arrange
ICardOrderingProvider cardOrderingProvider = new SuitMajorSortedCardOrderingProvider();
ICardDeck cardDeck = new SnapCardDeck(cardOrderingProvider);
ICard card = new SnapCard(Suit.Spades, Rank.Ace);
// Act
cardDeck.Add(new SnapCard(Suit.Spades, Rank.Two));
cardDeck.Add(card);
cardDeck.Add(new SnapCard(Suit.Hearts, Rank.Queen));
var test = cardDeck.Take();
// Assert
// As we're using the SortedCardOrderingProvider, the ace of spades should always be the
// top card in the deck. Given that Take() removes cards from the top of the deck, no matter
// what we do, if the Ace of Spades is in the deck, Take() should return it.
Assert.IsTrue(test.Suit == card.Suit && test.Rank == card.Rank);
}