diff --git a/test_clearScreen.c b/test_clearScreen.c
new file mode 100644
index 0000000..e859d99
--- /dev/null
+++ b/test_clearScreen.c
@@ -0,0 +1,38 @@
+#ifdef TEST
+#include "unity.h"
+#include "pong.h"
+
+#define TEST_SCREEN_WIDTH  40
+#define TEST_SCREEN_HEIGHT 20
+
+char screen[TEST_SCREEN_HEIGHT][TEST_SCREEN_WIDTH+1];
+
+void setUp(void){
+    //Wenn Funktion Vorraussetzungen braucht
+}
+
+void tearDown(void){
+}
+
+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';
+        }
+        screen[i][j-1] = '\0';
+    }
+
+    /* act */
+    clearScreen();
+
+    /* assert */
+    for (i = 0; i < TEST_SCREEN_HEIGHT; i++) {
+        for (j = 0; j < TEST_SCREEN_WIDTH+1; j++) {
+            TEST_ASSERT_EQUAL_INT(' ', screen[i][j]);
+        }
+    }
+}
+
+#endif // TEST