refactoring: optimierung_schleife

test/Pong/test_clearScreen.c

@@ -18,10 +18,10 @@ void test_clearScreen(void){
     /* arrange */
     int i, j;
     for (i = 0; i < TEST_SCREEN_HEIGHT; i++) {
-        for (j = 0; j < TEST_SCREEN_WIDTH+1; j++) {
-            screen[i][j] = 'X';
+        for (j = 0; j < TEST_SCREEN_WIDTH; j++) {
+            screen[i][j] = ' ';
         }
-        screen[i][j-1] = '\0';
+        screen[i][j] = '\0';
     }
 
     /* act */
@@ -29,7 +29,7 @@ void test_clearScreen(void){
 
     /* assert */
     for (i = 0; i < TEST_SCREEN_HEIGHT; i++) {
-        for (j = 0; j < TEST_SCREEN_WIDTH+1; j++) {
+        for (j = 0; j < TEST_SCREEN_WIDTH; j++) {
             TEST_ASSERT_EQUAL_INT(' ', screen[i][j]);
         }
     }