public void GeneratedStandardDeckCardMaskTableShouldMatchActualOne()
{
var deck = new StandardDeck();
var standardTable = DeckTablesHelper.GenerateStandardDeckCardMaskTable();
for (var cardIndex = 0; cardIndex != deck.NoOfCards; ++cardIndex)
{
var generatedValue = standardTable[cardIndex];
var actualValue = StandardDeck.CardMaskTable[cardIndex];
Assert.AreEqual(generatedValue, actualValue);
}
}
private static int GetStraightRankMask(int ranks)
{
var ranks1 = ranks & (ranks << 1);
var ranks2 = ranks1 & (ranks << 2);
var ranks3 = ranks2 & (ranks << 3);
var ranks4 = ranks3 & (ranks << 4);
if (ranks1 != 0 && ranks2 != 0 && ranks3 != 0 && ranks4 != 0)
{
var rankMask = GetTopCardRankMask(ranks4);
return rankMask;
}
var deck = new StandardDeck();
var aceRankIndex = deck.ToRankIndex(CardRank.Ace);
var twoRankIndex = deck.ToRankIndex(CardRank.Two);
var threeRankIndex = deck.ToRankIndex(CardRank.Three);
var fourRankIndex = deck.ToRankIndex(CardRank.Four);
var fiveRankIndex = deck.ToRankIndex(CardRank.Five);
var standardRulesFiveStraight = (1 << aceRankIndex) | (1 << twoRankIndex) | (1 << threeRankIndex) |
(1 << fourRankIndex) | (1 << fiveRankIndex);
return (ranks & standardRulesFiveStraight) == standardRulesFiveStraight
? deck.ToRankIndex(CardRank.Five)
: 0;
}