public int CompareTo(Card other)
{
if (type != other.type)
{
return(type.CompareTo(other.type));
}
return(rank.CompareTo(other.rank));
}
public void TestCompareToSameObject()
{
var six = new CardRank(CardRank.RankNames.Six);
var comp = six.CompareTo(six);
Assert.True(comp == 0);
}
public void TestCompareToGreater()
{
var six = new CardRank(CardRank.RankNames.Six);
var seven = new CardRank(CardRank.RankNames.Seven);
var comp = six.CompareTo(seven);
Assert.True(comp < 0);
}
public void TestCompareToLess()
{
var six = new CardRank(CardRank.RankNames.Six);
var three = new CardRank(CardRank.RankNames.Three);
var comp = six.CompareTo(three);
Assert.True(comp > 0);
}
public int CompareTo(Card other)
{
if (ReferenceEquals(this, other))
{
return(0);
}
if (ReferenceEquals(null, other))
{
return(1);
}
var rankComparison = suit.CompareTo(other.suit);
if (rankComparison != 0)
{
return(rankComparison);
}
return(rank.CompareTo(other.rank));
}
/// <summary>
/// Compares two straight hands.
/// </summary>
/// <param name="sortedHand1">The first hand sorted.</param>
/// <param name="sortedHand2">The second hand sorted.</param>
/// <returns>Less than zero if <paramref name="sortedHand1"/> ranks lower than
/// <paramref name="sortedHand2"/>, zero if the hands are of equal value,
/// greater than zero if <paramref name="sortedHand1"/> ranks higher than
/// <paramref name="sortedHand2"/>.</returns>
/// <remarks>A straight is a poker hand that contains five cards of sequential rank.
/// A straight flush is a hand that contains five cards in sequence, all of the same suit.
/// Two straights are ranked by comparing the highest card of each.
/// Two straights with the same high card are of equal value, suits are not used
/// to separate them. Aces can play low in straights and straight flushes.</remarks>
private int CompareStraightHands(IHand sortedHand1, IHand sortedHand2)
{
CardRank hand1HighestRank = sortedHand1.Cards[4].Rank;
if (sortedHand1.Cards[4].Rank == CardRank.Ace &&
sortedHand1.Cards[3].Rank == CardRank.Five)
{
// a wheel
hand1HighestRank = CardRank.Five;
}
CardRank hand2HighestRank = sortedHand2.Cards[4].Rank;
if (sortedHand2.Cards[4].Rank == CardRank.Ace &&
sortedHand2.Cards[3].Rank == CardRank.Five)
{
// a wheel
hand2HighestRank = CardRank.Five;
}
return(hand1HighestRank.CompareTo(hand2HighestRank));
}