diff --git a/build/test/cache/test_Spiellogik.c b/build/test/cache/test_Spiellogik.c
index 8a5021a..fac6b8e 100644
--- a/build/test/cache/test_Spiellogik.c
+++ b/build/test/cache/test_Spiellogik.c
@@ -33,3 +33,23 @@ void test_test1(void){
 ), (UNITY_UINT)(16), UNITY_DISPLAY_STYLE_INT);
 
 }
+
+
+
+void test_feldFrei(void){
+
+    int realU[20][20];
+
+    realU[11][12] = 1;
+
+    int result = feldFrei( realU, 11,12);
+
+
+
+    UnityAssertEqualNumber((UNITY_INT)((0)), (UNITY_INT)((result)), (
+
+   ((void *)0)
+
+   ), (UNITY_UINT)(24), UNITY_DISPLAY_STYLE_INT);
+
+}
diff --git a/build/test/out/c/test_Spiellogik.o b/build/test/out/c/test_Spiellogik.o
index 79c2add..8d0f092 100644
Binary files a/build/test/out/c/test_Spiellogik.o and b/build/test/out/c/test_Spiellogik.o differ
diff --git a/build/test/out/c/test_Spiellogik_runner.o b/build/test/out/c/test_Spiellogik_runner.o
index 5353197..e21c01e 100644
Binary files a/build/test/out/c/test_Spiellogik_runner.o and b/build/test/out/c/test_Spiellogik_runner.o differ
diff --git a/build/test/out/test_Spiellogik.out b/build/test/out/test_Spiellogik.out
index a5c4311..9c9f122 100755
Binary files a/build/test/out/test_Spiellogik.out and b/build/test/out/test_Spiellogik.out differ
diff --git a/build/test/preprocess/files/test_Spiellogik.c b/build/test/preprocess/files/test_Spiellogik.c
index 8a5021a..fac6b8e 100644
--- a/build/test/preprocess/files/test_Spiellogik.c
+++ b/build/test/preprocess/files/test_Spiellogik.c
@@ -33,3 +33,23 @@ void test_test1(void){
 ), (UNITY_UINT)(16), UNITY_DISPLAY_STYLE_INT);
 
 }
+
+
+
+void test_feldFrei(void){
+
+    int realU[20][20];
+
+    realU[11][12] = 1;
+
+    int result = feldFrei( realU, 11,12);
+
+
+
+    UnityAssertEqualNumber((UNITY_INT)((0)), (UNITY_INT)((result)), (
+
+   ((void *)0)
+
+   ), (UNITY_UINT)(24), UNITY_DISPLAY_STYLE_INT);
+
+}
diff --git a/build/test/results/test_Spiellogik.pass b/build/test/results/test_Spiellogik.pass
index 43b4433..178c373 100644
--- a/build/test/results/test_Spiellogik.pass
+++ b/build/test/results/test_Spiellogik.pass
@@ -7,12 +7,16 @@
   :line: 12
   :message: ''
   :unity_test_time: 0
+- :test: test_feldFrei
+  :line: 19
+  :message: ''
+  :unity_test_time: 0
 :failures: []
 :ignores: []
 :counts:
-  :total: 1
-  :passed: 1
+  :total: 2
+  :passed: 2
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.0014955760002521856
+:time: 0.001353542999822821
diff --git a/build/test/results/test_test.pass b/build/test/results/test_test.pass
index ddddfee..9c32ebf 100644
--- a/build/test/results/test_test.pass
+++ b/build/test/results/test_test.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.0015436290000252484
+:time: 0.0018875850000767969
diff --git a/build/test/runners/test_Spiellogik_runner.c b/build/test/runners/test_Spiellogik_runner.c
index d44f2eb..2b7c4da 100644
--- a/build/test/runners/test_Spiellogik_runner.c
+++ b/build/test/runners/test_Spiellogik_runner.c
@@ -11,6 +11,7 @@ char* GlobalOrderError;
 extern void setUp(void);
 extern void tearDown(void);
 extern void test_test1(void);
+extern void test_feldFrei(void);
 
 
 /*=======Mock Management=====*/
@@ -76,6 +77,7 @@ int main(void)
 {
   UnityBegin("test_Spiellogik.c");
   run_test(test_test1, "test_test1", 12);
+  run_test(test_feldFrei, "test_feldFrei", 19);
 
   return UnityEnd();
 }
diff --git a/src/Spiellogik.h b/src/Spiellogik.h
index 416da51..224e691 100644
--- a/src/Spiellogik.h
+++ b/src/Spiellogik.h
@@ -1,8 +1,9 @@
 #include "unity.h"
 #ifndef PROBE_H
 #define PROBE_H
+#define N 20 
 
 int probe(int input);
-
+int feldFrei(int realU[N][N], int ii, int jj);
 
 #endif
\ No newline at end of file
diff --git a/test/test_Spiellogik.c b/test/test_Spiellogik.c
index 24c42f4..58811d3 100644
--- a/test/test_Spiellogik.c
+++ b/test/test_Spiellogik.c
@@ -14,4 +14,12 @@ void test_test1(void){
 	int result = probe(2);
 	
 	TEST_ASSERT_EQUAL_INT(2, result);
+}
+
+void test_feldFrei(void){
+    int realU[N][N];
+    realU[11][12] = 1;
+    int result = feldFrei( realU, 11,12);
+
+    TEST_ASSERT_EQUAL_INT(0 , result);
 }
\ No newline at end of file