public void TestInvalidCardCountException()
{
var holeCards = new List <Card>();
holeCards.Add(new Card(CardSuit.Clubs, CardValue.Two));
var board = new List <Card>();
board.Add(new Card(CardSuit.Diamonds, CardValue.Seven));
var evaluator = new HandEvaluator(holeCards, board);
var rank = evaluator.GetHandRank();
}
public void TestRoyalFlushSimple()
{
var holeCards = new List <Card>();
holeCards.Add(new Card(CardSuit.Clubs, CardValue.Ace));
holeCards.Add(new Card(CardSuit.Clubs, CardValue.King));
var board = new List <Card>();
board.Add(new Card(CardSuit.Clubs, CardValue.Queen));
board.Add(new Card(CardSuit.Clubs, CardValue.Jack));
board.Add(new Card(CardSuit.Clubs, CardValue.Ten));
var evaluator = new HandEvaluator(holeCards, board);
var rank = evaluator.GetHandRank();
Assert.AreEqual(HandRank.RoyalFlush, rank);
}
/// <summary>
/// Evaluates the handrank and maps it to the corresponding hand strength bucket.
/// </summary>
/// <param name="board">current community cards (or board)</param>
/// <param name="holeCards">current hole cards of the player</param>
/// <returns></returns>
public static HandStrengthBucket MapToBucket(List <Card> board, List <Card> holeCards)
{
var evaluator = new HandEvaluator(holeCards, board);
var rank = evaluator.GetHandRank();
if (rank >= HandRank.TwoPairs)
{
return(HandStrengthBucket.TopHands);
}
var topCards = evaluator.GetTopFiveCards(rank);
if (rank == HandRank.Pair)
{
var pairValue = topCards.First().Value;
var boardOrderedByValue = board.OrderBy(x => x.Value);
var lowestValue = boardOrderedByValue.First().Value;
var topValue = boardOrderedByValue.Last().Value;
if (pairValue >= topValue)
{
// either a overpair (e.g. Pocket Aces) or top pair
return(HandStrengthBucket.TopPair);
}
else if (pairValue < topValue && pairValue > lowestValue)
{
return(HandStrengthBucket.MiddlePair);
}
else
{
return(HandStrengthBucket.LowPair);
}
}
else
{
//highcard
bool hasAce = topCards.Any(x => x.Value == CardValue.Ace);
if (hasAce)
{
return(HandStrengthBucket.HighCardAce);
}
else
{
return(HandStrengthBucket.HighCardElse);
}
}
}
public void TestHighCard()
{
var holeCards = new List <Card>();
holeCards.Add(new Card(CardSuit.Diamonds, CardValue.Seven));
holeCards.Add(new Card(CardSuit.Clubs, CardValue.Six));
var board = new List <Card>();
board.Add(new Card(CardSuit.Spades, CardValue.Ten));
board.Add(new Card(CardSuit.Hearts, CardValue.Queen));
board.Add(new Card(CardSuit.Clubs, CardValue.Ace));
var evaluator = new HandEvaluator(holeCards, board);
var rank = evaluator.GetHandRank();
Assert.AreEqual(rank, HandRank.HighCard);
}
public void TestFourOfAKind()
{
var holeCards = new List <Card>();
holeCards.Add(new Card(CardSuit.Diamonds, CardValue.Six));
holeCards.Add(new Card(CardSuit.Clubs, CardValue.Six));
var board = new List <Card>();
board.Add(new Card(CardSuit.Spades, CardValue.Six));
board.Add(new Card(CardSuit.Hearts, CardValue.Six));
board.Add(new Card(CardSuit.Clubs, CardValue.Eight));
var evaluator = new HandEvaluator(holeCards, board);
var rank = evaluator.GetHandRank();
Assert.AreEqual(rank, HandRank.FourOfAKind);
}
public void TestFlush()
{
var holeCards = new List <Card>();
holeCards.Add(new Card(CardSuit.Clubs, CardValue.Two));
holeCards.Add(new Card(CardSuit.Clubs, CardValue.Nine));
var board = new List <Card>();
board.Add(new Card(CardSuit.Diamonds, CardValue.Eight));
board.Add(new Card(CardSuit.Clubs, CardValue.Eight));
board.Add(new Card(CardSuit.Clubs, CardValue.Six));
board.Add(new Card(CardSuit.Clubs, CardValue.Seven));
var evaluator = new HandEvaluator(holeCards, board);
var rank = evaluator.GetHandRank();
Assert.AreEqual(rank, HandRank.Flush);
}
public void TestFullHouse()
{
var holeCards = new List <Card>();
holeCards.Add(new Card(CardSuit.Diamonds, CardValue.Seven));
holeCards.Add(new Card(CardSuit.Clubs, CardValue.Seven));
var board = new List <Card>();
board.Add(new Card(CardSuit.Spades, CardValue.Ten));
board.Add(new Card(CardSuit.Diamonds, CardValue.Nine));
board.Add(new Card(CardSuit.Hearts, CardValue.Ten));
board.Add(new Card(CardSuit.Diamonds, CardValue.Jack));
board.Add(new Card(CardSuit.Diamonds, CardValue.Ten));
var evaluator = new HandEvaluator(holeCards, board);
var rank = evaluator.GetHandRank();
Assert.AreEqual(rank, HandRank.FullHouse);
}
public void TestStraightCards()
{
var holeCards = new List <Card>();
holeCards.Add(new Card(CardSuit.Diamonds, CardValue.Six));
holeCards.Add(new Card(CardSuit.Clubs, CardValue.Ten));
var board = new List <Card>();
board.Add(new Card(CardSuit.Diamonds, CardValue.Nine));
board.Add(new Card(CardSuit.Spades, CardValue.Seven));
board.Add(new Card(CardSuit.Hearts, CardValue.Six));
board.Add(new Card(CardSuit.Clubs, CardValue.Eight));
var evaluator = new HandEvaluator(holeCards, board);
var topCards = evaluator.GetTopFiveCards(evaluator.GetHandRank());
Assert.AreEqual(topCards.Count, 5);
}
