public void Can_Shuffle_Cards()
{
var sut = new StandardDeck();
sut.Shuffle(100);
All_Cards_Are_Unique();
Assert.AreEqual(52, sut.Cards.Count);
}
public void ShuffleTestForFullDeck()
{
HashSet <string> allStates = new HashSet <string>();
var objectUnderTest = new StandardDeck().Cards;
var initialState = CardPileRepresentation(objectUnderTest);
allStates.Add(initialState);
int numberOfShuffles = 1000;
for (int i = 0; i < numberOfShuffles; i++)
{
objectUnderTest.Shuffle();
allStates.Add(CardPileRepresentation(objectUnderTest));
}
//make sure that we never ever see the deck in a state we've seen before after we shuffle
Assert.True(allStates.Count == numberOfShuffles + 1);
}