Added Unit Tests

src/poker/card.c

@@ -72,4 +72,10 @@ uint8_t cardCountPairs(card_t *in, uint8_t inCount, uint8_t number,
 
 void cardShuffle(card_t *hand, uint8_t length) {
   arrayShuffle(sizeof(card_t), hand, length);
+}
+
+uint8_t cardWriteDeck(card_t *hand) {
+  uint8_t i;
+  for(i = 0; i < CARD_DECK_SIZE; i++) hand[i] = i;
+  return CARD_DECK_SIZE;
 }

src/poker/card.h

@@ -194,4 +194,12 @@ uint8_t cardCountPairs(
  * @param hand Hand to shuffle.
  * @param length Length of the hand to shuffle.
  */
-void cardShuffle(card_t *hand, uint8_t length);
+void cardShuffle(card_t *hand, uint8_t length);
+
+/**
+ * Write an entire deck of cards (in order) to a given hand.
+ * 
+ * @param hand Hand to write the deck to.
+ * @return The count of cards in the deck.
+ */
+uint8_t cardWriteDeck(card_t *hand);