public bool IsOnePair(PokerHand hand)
{
return hand.Cards.GroupBy(x => x.Value,
(y, g) => new { Value = y, Count = g.Count() })
.Where(z => z.Count == 2)
.Count() == 1;
}
public void IsOnePairFail()
{
// Get an instance of a PokerGame
IPokerRules game = new FunPoker();
PokerHand hand = new PokerHand();
// Set the hand
hand.Cards.Add(new Card(SuitEnum.Heart, ValueEnum.One));
hand.Cards.Add(new Card(SuitEnum.Spade, ValueEnum.One));
hand.Cards.Add(new Card(SuitEnum.Club, ValueEnum.One));
hand.Cards.Add(new Card(SuitEnum.Spade, ValueEnum.King));
hand.Cards.Add(new Card(SuitEnum.Diamond, ValueEnum.Three));
// Check if it's true
Assert.IsFalse(game.IsOnePair(hand));
}
public bool IsOnePair(PokerHand hand)
{
Dictionary<ValueEnum, int> counter = new Dictionary<ValueEnum, int>();
for (int i = 0; i < hand.Cards.Count; i++)
{
var value = hand.Cards[i].Value;
if (!counter.ContainsKey(value))
counter[value] = 0;
counter[value]++;
}
return counter.Where(x => x.Value == 2).Count() == 1;
}
public bool IsThreeOfAKind(PokerHand hand)
{
throw new NotImplementedException();
}
public bool IsTwoPair(PokerHand hand)
{
throw new NotImplementedException();
}