diff --git a/src/test/c/Stefan/test_blackjack.c b/src/test/c/Stefan/test_blackjack.c
index 7790cd9..6a9dcd6 100644
--- a/src/test/c/Stefan/test_blackjack.c
+++ b/src/test/c/Stefan/test_blackjack.c
@@ -298,3 +298,33 @@ void test_subtract_bet_10_from_balance_100() {
     TEST_ASSERT_EQUAL_INT(expected_result, actual_result);
 
 }
+
+void test_subtract_bet_100_from_balance_100() {
+
+    //arrange
+    int bet = 100;
+    int balance = 100;
+    int expected_result = 0;
+
+    //act
+    int actual_result = subtractBetFromBalanceBJ(bet, balance);
+
+    //assert
+    TEST_ASSERT_EQUAL_INT(expected_result, actual_result);
+
+}
+
+void test_subtract_bet_1_from_balance_100000() {
+
+    //arrange
+    int bet = 1;
+    int balance = 100000;
+    int expected_result = 99999;
+
+    //act
+    int actual_result = subtractBetFromBalanceBJ(bet, balance);
+
+    //assert
+    TEST_ASSERT_EQUAL_INT(expected_result, actual_result);
+
+}
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