diff --git a/test/Pong/test_checkCollision.c b/test/Pong/test_checkCollision.c
index 12dac8a..ab2a4fa 100644
--- a/test/Pong/test_checkCollision.c
+++ b/test/Pong/test_checkCollision.c
@@ -11,27 +11,38 @@ void tearDown(void){
 }
 
 void test_checkCollision(void){
-    /* Test 1: Ball und Schläger kollidieren nicht */
     Ball ball = {10, 10, 1, 1};
     Paddle paddle = {50, 10, 5, 10};
 
-    int result1 = checkCollision(ball, paddle);
-    TEST_ASSERT_EQUAL_INT(0, result1);
+    // Test Ball trifft rechte und linke Wand
+    ball.x = 0;
+    int result1 = checkCollision(&ball, &paddle);
+    TEST_ASSERT_EQUAL_INT(1, result1);
 
-    /* Test 2: Ball kollidiert mit Schläger */
-    ball.x = 50;
-    ball.y = 10;
-    int result2 = checkCollision(ball, paddle);
+    ball.x = WIDTH - 1;
+    int result2 = checkCollision(&ball, &paddle);
     TEST_ASSERT_EQUAL_INT(1, result2);
 
-    /* Test 3: Ball kollidiert mit Bildschirmrand */
-    ball.x = 0;
+    // Test Ball trifft obere und untere Wand
+    ball.x = 5;
     ball.y = 0;
-    int result3 = checkCollision(ball, paddle);
-    TEST_ASSERT_EQUAL_INT(2, result3);
-
-    /* Weitere Tests mit verschiedenen Kollisionsfällen können hinzugefügt werden */
-
+    int result3 = checkCollision(&ball, &paddle);
+    TEST_ASSERT_EQUAL_INT(0, result3);
+
+    ball.y = HEIGHT - 1;
+    int result4 = checkCollision(&ball, &paddle);
+    TEST_ASSERT_EQUAL_INT(0, result4);
+
+    // Test wenn Ball Paddle trifft
+    ball.x = paddle.x - 1;
+    ball.y = paddle.y + 1;
+    int result5 = checkCollision(&ball, &paddle);
+    TEST_ASSERT_EQUAL_INT(0, result5);
+
+    ball.x = paddle.x + 1;
+    ball.y = paddle.y + 1;
+    int result6 = checkCollision(&ball, &paddle);
+    TEST_ASSERT_EQUAL_INT(0, result6);
 }
 
 #endif // TEST