public void MementoRestoresDeck()
{
PowerCardDeck deck = new PowerCardDeck(new PowerCard[] {
PowerCard.For <Drought>(),
PowerCard.For <DevouringAnts>(),
PowerCard.For <DriftDownIntoSlumber>(),
PowerCard.For <EnticingSplendor>(),
PowerCard.For <LureOfTheUnknown>(),
PowerCard.For <NaturesResilience>(),
PowerCard.For <PullBeneathTheHungryEarth>(),
PowerCard.For <QuickenTheEarthsStruggles>(),
PowerCard.For <RainOfBlood>(),
PowerCard.For <SapTheStrengthOfMultitudes>(),
PowerCard.For <SongOfSanctity>(),
PowerCard.For <SteamVents>(),
PowerCard.For <UncannyMelting>(),
}, new Random());
// Given: saving state
var memento = deck.SaveToMemento();
// And: draw first 4 cards
string originalFirstFourCards = deck.Flip(4).Select(c => c.Name).Join(",");
// And: draw some more we don't care about
deck.Flip(4);
// When: restore state using memento
deck.RestoreFrom(memento);
// Then: first 4 cards should be the same
deck.Flip(4).Select(c => c.Name).Join(",").ShouldBe(originalFirstFourCards);
}
static async Task <DrawCardResult> DrawInner(Spirit spirit, PowerCardDeck deck, int numberToDraw, int numberToKeep)
{
List <PowerCard> candidates = deck.Flip(numberToDraw);
var selectedCards = new List <PowerCard>();
while (numberToKeep-- > 0)
{
var selected = await TakeCard(spirit, candidates);
selectedCards.Add(selected);
}
deck.Discard(candidates);
return(new DrawCardResult(selectedCards[0].PowerType)
{
SelectedCards = selectedCards.ToArray(),
Rejected = candidates
});
}