public void TestHighCard()
{
var hand = new PokerHand();
hand.Add(new Card(CardSuit.Diamonds, CardFace.King));
hand.Add(new Card(CardSuit.Diamonds, CardFace.Queen));
hand.Add(new Card(CardSuit.Spades, CardFace.Seven));
hand.Add(new Card(CardSuit.Spades, CardFace.Four));
hand.Add(new Card(CardSuit.Hearts, CardFace.Three));
Assert.AreEqual(hand.Rank, PokerHandRank.HighCard);
}
public void TestFlush()
{
var hand = new PokerHand();
hand.Add(new Card(CardSuit.Clubs, CardFace.Jack));
hand.Add(new Card(CardSuit.Clubs, CardFace.Ten));
hand.Add(new Card(CardSuit.Clubs, CardFace.Nine));
hand.Add(new Card(CardSuit.Clubs, CardFace.Six));
hand.Add(new Card(CardSuit.Clubs, CardFace.Five));
Assert.AreEqual(hand.Rank, PokerHandRank.Flush);
}
public void TestStraight()
{
var hand = new PokerHand();
hand.Add(new Card(CardSuit.Diamonds, CardFace.Jack));
hand.Add(new Card(CardSuit.Spades, CardFace.Ten));
hand.Add(new Card(CardSuit.Hearts, CardFace.Nine));
hand.Add(new Card(CardSuit.Diamonds, CardFace.Eight));
hand.Add(new Card(CardSuit.Clubs, CardFace.Seven));
Assert.AreEqual(hand.Rank, PokerHandRank.Straight);
}
public void TestThreeOfAKind()
{
var hand = new PokerHand();
hand.Add(new Card(CardSuit.Clubs, CardFace.Queen));
hand.Add(new Card(CardSuit.Spades, CardFace.Queen));
hand.Add(new Card(CardSuit.Hearts, CardFace.Queen));
hand.Add(new Card(CardSuit.Hearts, CardFace.Nine));
hand.Add(new Card(CardSuit.Spades, CardFace.Two));
Assert.AreEqual(hand.Rank, PokerHandRank.ThreeOfAKind);
}
public void TestOnePair()
{
var hand = new PokerHand();
hand.Add(new Card(CardSuit.Spades, CardFace.Ten));
hand.Add(new Card(CardSuit.Hearts, CardFace.Ten));
hand.Add(new Card(CardSuit.Spades, CardFace.Eight));
hand.Add(new Card(CardSuit.Hearts, CardFace.Seven));
hand.Add(new Card(CardSuit.Clubs, CardFace.Four));
Assert.AreEqual(hand.Rank, PokerHandRank.OnePair);
}
public void TestFullHouse()
{
var hand = new PokerHand();
hand.Add(new Card(CardSuit.Clubs, CardFace.Five));
hand.Add(new Card(CardSuit.Diamonds, CardFace.Five));
hand.Add(new Card(CardSuit.Hearts, CardFace.Five));
hand.Add(new Card(CardSuit.Spades, CardFace.Seven));
hand.Add(new Card(CardSuit.Clubs, CardFace.Seven));
Assert.AreEqual(hand.Rank, PokerHandRank.FullHouse);
}
public void TwoPairDecision_Score_ReturnsPair()
{
IHand hand = new PokerHand();
hand.Add(new Card(Suit.Heart, 2));
hand.Add(new Card(Suit.Diamond, 2));
hand.Add(new Card(Suit.Spade, 3));
hand.Add(new Card(Suit.Club, 4));
hand.Add(new Card(Suit.Spade, 5));
var sut = new TwoPairDecisionNode();
var result = sut.Eval(hand);
result.Score.Should().Be(3);
}
public void TwoPairs_WithTwoPair_EvalTrue()
{
IHand hand = new PokerHand();
hand.Add(new Card(Suit.Heart, 2));
hand.Add(new Card(Suit.Diamond, 2));
hand.Add(new Card(Suit.Spade, 3));
hand.Add(new Card(Suit.Club, 3));
hand.Add(new Card(Suit.Spade, 5));
ICardHandRule rule = new HasTwoPairsHandRule();
var result = rule.Eval(hand);
result.Should().BeTrue();
}
public void Hand_WithNoPairs_EvalFalse()
{
IHand hand = new PokerHand();
hand.Add(new Card(Suit.Heart, 2));
hand.Add(new Card(Suit.Diamond, 8));
hand.Add(new Card(Suit.Spade, 3));
hand.Add(new Card(Suit.Club, 4));
hand.Add(new Card(Suit.Spade, 5));
ICardHandRule rule = new HasMultipleRankHandRule();
var result = rule.Eval(hand);
result.Should().BeFalse();
}
public void ThreeOfKind_WithPair_EvalFalse()
{
IHand hand = new PokerHand();
hand.Add(new Card(Suit.Heart, 2));
hand.Add(new Card(Suit.Diamond, 2));
hand.Add(new Card(Suit.Spade, 3));
hand.Add(new Card(Suit.Club, 4));
hand.Add(new Card(Suit.Spade, 5));
ICardHandRule rule = new RepeatingRankHandRule(3);
var result = rule.Eval(hand);
result.Should().BeFalse();
}
public void Hand_With3OrKind_EvalTrue()
{
IHand hand = new PokerHand();
hand.Add(new Card(Suit.Heart, 2));
hand.Add(new Card(Suit.Diamond, 2));
hand.Add(new Card(Suit.Spade, 3));
hand.Add(new Card(Suit.Club, 4));
hand.Add(new Card(Suit.Spade, 2));
ICardHandRule rule = new HasMultipleRankHandRule();
var result = rule.Eval(hand);
result.Should().BeTrue();
}
public void TwoPairs_WithPariAnd4OfKind_EvalFalse()
{
IHand hand = new PokerHand();
hand.Add(new Card(Suit.Heart, 2));
hand.Add(new Card(Suit.Diamond, 3));
hand.Add(new Card(Suit.Spade, 3));
hand.Add(new Card(Suit.Club, 3));
hand.Add(new Card(Suit.Spade, 3));
ICardHandRule rule = new HasTwoPairsHandRule();
var result = rule.Eval(hand);
result.Should().BeFalse();
}
public void FourOfKind_WithFourSameRank_EvalTrue()
{
IHand hand = new PokerHand();
hand.Add(new Card(Suit.Heart, 2));
hand.Add(new Card(Suit.Diamond, 2));
hand.Add(new Card(Suit.Spade, 3));
hand.Add(new Card(Suit.Club, 2));
hand.Add(new Card(Suit.Spade, 2));
ICardHandRule rule = new RepeatingRankHandRule(4);
var result = rule.Eval(hand);
result.Should().BeTrue();
}
static void Main(string[] args)
{
bool debug = (args.Length > 0);
int maxPokerHandSize = 5;
// Two Hands
PokerHand black = new PokerHand(maxPokerHandSize);
PokerHand white = new PokerHand(maxPokerHandSize);
string input;
while ((input = Console.ReadLine()) != null) {
// Debug - Some Test Cases and Expected Results
//input = "2H 3D 5S 9C KD 2C 3H 4S AD AH"; // High Card, Pair
//input = "2H 3D 4H 5D 6H 3C 4C 5C 6C 7C"; // Straight, Straight Flush
//input = "2H 2D 3H 3D 4C AH AD TC TD TH"; // Two Pair, Full House (Correctly does 10)
//input = "2H 2D 2C 4H 5H AH AD AC AS KD"; // 3Kind, 4Kind
//input = "2H 4H 6H 8H TH 2D 4D 6D 8D TD"; // Flush (Tie)s
//input = "2H 4D 6H 8D AH 3H 4C 6D 7C AD"; // Both Ace High, Black has Better Kickers
//input = "2H 2D 4H 4D AH 2S 2C 4S 4C AC"; // Two Pair Real Tie
if (debug) { Console.WriteLine(input); }
// Clear the Hands
black.Clear();
white.Clear();
// Parse and load Hands
try {
string[] cardStrings = input.Split(' ');
for (int i = 0; i < black.MaxHandSize; ++i) {
black.Add(new PlayingCard(cardStrings[i]));
}
for (int i = 0; i < white.MaxHandSize; ++i) {
white.Add(new PlayingCard(cardStrings[i + black.MaxHandSize]));
}
} catch (Exception e) {
Console.WriteLine("Bad Card in the Mix");
if (debug) { Console.WriteLine(e.StackTrace); Console.WriteLine(e.Message); }
continue;
}
// Debug - Output the Scores
if (debug) {
Console.WriteLine("black score: " + black.ScoreHand().ToString());
Console.WriteLine("white score: " + white.ScoreHand().ToString());
}
// Compare Hands - Output the Winner
int compare = black.CompareTo(white);
if (compare == 0) {
Console.WriteLine("Tie.");
} else if (compare < 0) {
Console.WriteLine("White wins.");
} else {
Console.WriteLine("Black wins.");
}
}
}
public static PokerHand CreateHand(params Tuple <CardSuit, CardValue>[] cards)
{
var result = new PokerHand();
foreach (var card in cards)
{
result.Add(new Card()
{
Suit = card.Item1, Value = card.Item2
});
}
return(result);
}
public void TestStraightFlush()
{
var hand = new PokerHand();
hand.Add(new Card(CardSuit.Clubs, CardFace.Jack));
hand.Add(new Card(CardSuit.Clubs, CardFace.Ten));
hand.Add(new Card(CardSuit.Clubs, CardFace.Nine));
hand.Add(new Card(CardSuit.Clubs, CardFace.Eight));
hand.Add(new Card(CardSuit.Clubs, CardFace.Seven));
Assert.AreEqual(hand.Rank, PokerHandRank.StraightFlush);
var hand2 = new PokerHand();
hand2.Add(new Card(CardSuit.Clubs, CardFace.Queen));
hand2.Add(new Card(CardSuit.Clubs, CardFace.Jack));
hand2.Add(new Card(CardSuit.Clubs, CardFace.Ten));
hand2.Add(new Card(CardSuit.Clubs, CardFace.Nine));
hand2.Add(new Card(CardSuit.Clubs, CardFace.Eight));
Assert.AreEqual(hand.CompareTo(hand2), -1);
}
public void TestTwoPair()
{
var hand = new PokerHand();
hand.Add(new Card(CardSuit.Hearts, CardFace.Jack));
hand.Add(new Card(CardSuit.Spades, CardFace.Jack));
hand.Add(new Card(CardSuit.Clubs, CardFace.Three));
hand.Add(new Card(CardSuit.Spades, CardFace.Four));
hand.Add(new Card(CardSuit.Hearts, CardFace.Two));
Assert.AreNotEqual(hand.Rank, PokerHandRank.TwoPair);
var hand2 = new PokerHand();
hand2.Add(new Card(CardSuit.Hearts, CardFace.Jack));
hand2.Add(new Card(CardSuit.Spades, CardFace.Jack));
hand2.Add(new Card(CardSuit.Clubs, CardFace.Four));
hand2.Add(new Card(CardSuit.Spades, CardFace.Four));
hand2.Add(new Card(CardSuit.Hearts, CardFace.Two));
Assert.AreEqual(hand2.Rank, PokerHandRank.TwoPair);
}
private IHand CreateHand(string s)
{
PokerHand hand = new PokerHand();
string[] cards = s.Split(' ');
foreach (string card in cards)
{
CardSuit suit = CardSuit.Club;
switch (card[1])
{
case 'C': suit = CardSuit.Club; break;
case 'D': suit = CardSuit.Diamond; break;
case 'S': suit = CardSuit.Spade; break;
case 'H': suit = CardSuit.Heart; break;
}
CardFace face = CardFace.AceHigh;
switch (card[0])
{
case 'J': face = CardFace.Jack; break;
case 'Q': face = CardFace.Queen; break;
case 'K': face = CardFace.King; break;
case 'A': face = CardFace.AceHigh; break;
default:
{
string faceString = card.Substring(0, 1);
int faceInt = int.Parse(faceString);
face = (CardFace)faceInt;
}
break;
}
hand.Add(new PokerCard(suit, face));
}
return(hand);
}
/// <summary>Get the Results for some Selections</summary>
/// <param name="selections">Positions of the Card Selection</param>
/// <returns>A Result Object containing the Game Results</returns>
public virtual Result Selected(BitArray selections)
{
// Determine the Selected Hand
PokerHand selectedHand = new PokerHand(5);
PlayingCard[] cards = _playingCards.ToArray<PlayingCard>();
for (int i = 0; i < selections.Length; ++i) {
if (selections[i]) {
selectedHand.Add(cards[i]);
}
}
// Compare to the best
PokerHand bestHand = BestHand;
bool isBest = (bestHand.CompareTo(selectedHand) == 0);
// BitArray for the Best Hand
BitArray bestHandBits = new BitArray(selections.Length);
for (int i = 0; i < cards.Length; ++i) {
bestHandBits[i] = (bestHand.Cards.Contains(cards[i]));
}
return new Result(isBest, bestHandBits, bestHand, selectedHand);
}