From b155dc4909447f7338f2b480223efb58f3f3b805 Mon Sep 17 00:00:00 2001
From: fdai7472 <langemann_stefan@web.de>
Date: Mon, 5 Feb 2024 18:13:40 +0100
Subject: [PATCH] Implemenitierung calculateWinnings + Tests

---
 src/main/c/Stefan/blackjack.c      | 14 +++++++++++++-
 src/main/c/Stefan/blackjack.h      |  1 +
 src/test/c/Stefan/test_blackjack.c | 28 ++++++++++++++++++++++++++++
 3 files changed, 42 insertions(+), 1 deletion(-)

diff --git a/src/main/c/Stefan/blackjack.c b/src/main/c/Stefan/blackjack.c
index 06a765a..5e995bd 100644
--- a/src/main/c/Stefan/blackjack.c
+++ b/src/main/c/Stefan/blackjack.c
@@ -73,6 +73,8 @@ int getRandCard(){
 
 int playBJ(int bet, int balance){
 
+    int winnings = 0;
+
     int *computerCardArray = (int*) malloc(10 * sizeof(int));
 
     if(computerCardArray){
@@ -88,7 +90,10 @@ int playBJ(int bet, int balance){
             userCardArray[1] = getRandCard();
             printf("user rand card: %d\n", userCardArray[1]);
 
-            checkForBlackjack(userCardArray);
+            if(checkForBlackjack(userCardArray)){
+                winnings = calculateWinnings(true, bet);
+                return balance + winnings;
+            }
 
 
             free(userCardArray);
@@ -121,4 +126,11 @@ int calculateCardsTotal(int cardsArray[], int len){
         sum += cardsArray[i];
     }
     return sum;
+}
+
+int calculateWinnings(bool blackjack, int bet){
+    if(blackjack){
+        return 3 * bet;
+    }
+    return 2 * bet;
 }
\ No newline at end of file
diff --git a/src/main/c/Stefan/blackjack.h b/src/main/c/Stefan/blackjack.h
index be79c7b..71656e0 100644
--- a/src/main/c/Stefan/blackjack.h
+++ b/src/main/c/Stefan/blackjack.h
@@ -11,5 +11,6 @@ int getRandCard();
 int playBJ(int bet, int balance);
 bool checkForBlackjack(int userCards[]);
 int calculateCardsTotal(int cardsArray[], int len);
+int calculateWinnings(bool blackjack, int bet);
 
 #endif // BLACKJACK_H
\ No newline at end of file
diff --git a/src/test/c/Stefan/test_blackjack.c b/src/test/c/Stefan/test_blackjack.c
index 334affa..5fee88e 100644
--- a/src/test/c/Stefan/test_blackjack.c
+++ b/src/test/c/Stefan/test_blackjack.c
@@ -100,4 +100,32 @@ void test_cards_ace_10_total_equals_21() {
     //assert
     TEST_ASSERT_EQUAL_INT(expected_result, actual_result);
 
+}
+
+void test_blackjack_bet_equals_10() {
+
+    //arrange
+    int bet = 10;
+    int expected_result = 30;
+
+    //act
+    int actual_result = calculateWinnings(true, bet);
+
+    //assert
+    TEST_ASSERT_EQUAL_INT(expected_result, actual_result);
+
+}
+
+void test_no_blackjack_bet_equals_10() {
+
+    //arrange
+    int bet = 10;
+    int expected_result = 20;
+
+    //act
+    int actual_result = calculateWinnings(false, bet);
+
+    //assert
+    TEST_ASSERT_EQUAL_INT(expected_result, actual_result);
+
 }
\ No newline at end of file