public void UtilitiesTest_Shuffle_Test() { int nDecks = 8; Shoe shoe = new Shoe(nDecks); Card[] cards = shoe.Cards; DeckTest.CheckPresenceOfAllCardsInOrder(cards, nDecks); string originalAllCardNames = shoe.DisplayAllCardsNames(); Utilities.Shuffle(cards); string afterShuffleAllCardNames = shoe.DisplayAllCardsNames(); Assert.AreEqual(52 * nDecks, cards.Length); Assert.AreNotEqual(originalAllCardNames, afterShuffleAllCardNames); }