diff --git a/build/test/cache/test_casualQuiz.c b/build/test/cache/test_casualQuiz.c
index b71a1c0..1875b3f 100644
--- a/build/test/cache/test_casualQuiz.c
+++ b/build/test/cache/test_casualQuiz.c
@@ -136,7 +136,7 @@ void test_FcheckaufRichtigkeit_correct_answer_atIndex3(void){
 
 }
 
-void test_FcheckaufRichtigkeit_incorrect_input(void){
+void test_FcheckaufRichtigkeit_incorrect_input_higher(void){
 
     int TESTeingabe = 5;
 
@@ -159,3 +159,27 @@ void test_FcheckaufRichtigkeit_incorrect_input(void){
    )) {} else {UnityFail( ((" Expected TRUE Was FALSE")), (UNITY_UINT)((UNITY_UINT)(63)));}} while(0);
 
 }
+
+void test_FcheckaufRichtigkeit_incorrect_input_lower(void){
+
+    int TESTeingabe = -1;
+
+    int TESTindex = 0;
+
+    int TESTrichtige_antwort[]={3};
+
+    
+
+   _Bool 
+
+        testfall;
+
+    testfall = FcheckaufRichtigkeit(TESTeingabe, TESTrichtige_antwort, TESTindex);
+
+    do {if ((testfall != 
+
+   1
+
+   )) {} else {UnityFail( ((" Expected TRUE Was FALSE")), (UNITY_UINT)((UNITY_UINT)(71)));}} while(0);
+
+}
diff --git a/build/test/out/c/test_casualQuiz.o b/build/test/out/c/test_casualQuiz.o
index 3b8094f..50c8296 100644
Binary files a/build/test/out/c/test_casualQuiz.o and b/build/test/out/c/test_casualQuiz.o differ
diff --git a/build/test/out/c/test_casualQuiz_runner.o b/build/test/out/c/test_casualQuiz_runner.o
index 47fabb1..d8460b8 100644
Binary files a/build/test/out/c/test_casualQuiz_runner.o and b/build/test/out/c/test_casualQuiz_runner.o differ
diff --git a/build/test/out/test_casualQuiz.out b/build/test/out/test_casualQuiz.out
index 9367705..e27a696 100755
Binary files a/build/test/out/test_casualQuiz.out and b/build/test/out/test_casualQuiz.out differ
diff --git a/build/test/preprocess/files/test_casualQuiz.c b/build/test/preprocess/files/test_casualQuiz.c
index b71a1c0..1875b3f 100644
--- a/build/test/preprocess/files/test_casualQuiz.c
+++ b/build/test/preprocess/files/test_casualQuiz.c
@@ -136,7 +136,7 @@ void test_FcheckaufRichtigkeit_correct_answer_atIndex3(void){
 
 }
 
-void test_FcheckaufRichtigkeit_incorrect_input(void){
+void test_FcheckaufRichtigkeit_incorrect_input_higher(void){
 
     int TESTeingabe = 5;
 
@@ -159,3 +159,27 @@ void test_FcheckaufRichtigkeit_incorrect_input(void){
    )) {} else {UnityFail( ((" Expected TRUE Was FALSE")), (UNITY_UINT)((UNITY_UINT)(63)));}} while(0);
 
 }
+
+void test_FcheckaufRichtigkeit_incorrect_input_lower(void){
+
+    int TESTeingabe = -1;
+
+    int TESTindex = 0;
+
+    int TESTrichtige_antwort[]={3};
+
+    
+
+   _Bool 
+
+        testfall;
+
+    testfall = FcheckaufRichtigkeit(TESTeingabe, TESTrichtige_antwort, TESTindex);
+
+    do {if ((testfall != 
+
+   1
+
+   )) {} else {UnityFail( ((" Expected TRUE Was FALSE")), (UNITY_UINT)((UNITY_UINT)(71)));}} while(0);
+
+}
diff --git a/build/test/results/test_casualQuiz.pass b/build/test/results/test_casualQuiz.pass
index 37b2407..6607d70 100644
--- a/build/test/results/test_casualQuiz.pass
+++ b/build/test/results/test_casualQuiz.pass
@@ -19,15 +19,19 @@
   :line: 47
   :message: ''
   :unity_test_time: 0
-- :test: test_FcheckaufRichtigkeit_incorrect_input
+- :test: test_FcheckaufRichtigkeit_incorrect_input_higher
   :line: 57
   :message: ''
   :unity_test_time: 0
+- :test: test_FcheckaufRichtigkeit_incorrect_input_lower
+  :line: 65
+  :message: ''
+  :unity_test_time: 0
 :failures: []
 :ignores: []
 :counts:
-  :total: 5
-  :passed: 5
+  :total: 6
+  :passed: 6
   :failed: 0
   :ignored: 0
 :stdout:
@@ -40,4 +44,5 @@
 - Case 4
 - Right Answer, well done.
 - Wrong Input!
-:time: 0.035433499986538664
+- Wrong Input!
+:time: 0.03493439999874681
diff --git a/build/test/results/test_quizduell.pass b/build/test/results/test_quizduell.pass
index 923abc1..64b243b 100644
--- a/build/test/results/test_quizduell.pass
+++ b/build/test/results/test_quizduell.pass
@@ -11,4 +11,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.014862199983326718
+:time: 0.014303199975984171
diff --git a/build/test/results/test_timequiz.pass b/build/test/results/test_timequiz.pass
index ac053f3..2bee253 100644
--- a/build/test/results/test_timequiz.pass
+++ b/build/test/results/test_timequiz.pass
@@ -11,4 +11,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.014781000005314127
+:time: 0.014138700003968552
diff --git a/build/test/results/test_wwm.pass b/build/test/results/test_wwm.pass
index 50dfda3..e449187 100644
--- a/build/test/results/test_wwm.pass
+++ b/build/test/results/test_wwm.pass
@@ -11,4 +11,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.013869599992176518
+:time: 0.01387090000207536
diff --git a/build/test/runners/test_casualQuiz_runner.c b/build/test/runners/test_casualQuiz_runner.c
index 32524cf..1adbb10 100644
--- a/build/test/runners/test_casualQuiz_runner.c
+++ b/build/test/runners/test_casualQuiz_runner.c
@@ -14,7 +14,8 @@ extern void test_FcheckaufRichtigkeit_correct_answer_atIndex1(void);
 extern void test_FcheckaufRichtigkeit_correct_answer_atIndex2(void);
 extern void test_FcheckaufRichtigkeit_correct_answer_atIndex3(void);
 extern void test_FcheckaufRichtigkeit_correct_answer_atIndex4(void);
-extern void test_FcheckaufRichtigkeit_incorrect_input(void);
+extern void test_FcheckaufRichtigkeit_incorrect_input_higher(void);
+extern void test_FcheckaufRichtigkeit_incorrect_input_lower(void);
 
 
 /*=======Mock Management=====*/
@@ -83,7 +84,8 @@ int main(void)
   run_test(test_FcheckaufRichtigkeit_correct_answer_atIndex2, "test_FcheckaufRichtigkeit_correct_answer_atIndex2", 28);
   run_test(test_FcheckaufRichtigkeit_correct_answer_atIndex3, "test_FcheckaufRichtigkeit_correct_answer_atIndex3", 38);
   run_test(test_FcheckaufRichtigkeit_correct_answer_atIndex4, "test_FcheckaufRichtigkeit_correct_answer_atIndex4", 47);
-  run_test(test_FcheckaufRichtigkeit_incorrect_input, "test_FcheckaufRichtigkeit_incorrect_input", 57);
+  run_test(test_FcheckaufRichtigkeit_incorrect_input_higher, "test_FcheckaufRichtigkeit_incorrect_input_higher", 57);
+  run_test(test_FcheckaufRichtigkeit_incorrect_input_lower, "test_FcheckaufRichtigkeit_incorrect_input_lower", 65);
 
   return UnityEnd();
 }
diff --git a/test/test_casualQuiz.c b/test/test_casualQuiz.c
index f9c1609..569ca54 100644
--- a/test/test_casualQuiz.c
+++ b/test/test_casualQuiz.c
@@ -54,7 +54,7 @@ void test_FcheckaufRichtigkeit_correct_answer_atIndex3(void){
     TEST_ASSERT_TRUE(testfall == true);
 
 }
-void test_FcheckaufRichtigkeit_incorrect_input(void){
+void test_FcheckaufRichtigkeit_incorrect_input_higher(void){
     int TESTeingabe = 5;
     int TESTindex = 0;
     int TESTrichtige_antwort[]={3};
@@ -62,4 +62,12 @@ void test_FcheckaufRichtigkeit_incorrect_input(void){
     testfall = FcheckaufRichtigkeit(TESTeingabe, TESTrichtige_antwort, TESTindex);
     TEST_ASSERT_TRUE(testfall != true);
 }
+void test_FcheckaufRichtigkeit_incorrect_input_lower(void){
+    int TESTeingabe = -1;
+    int TESTindex = 0;
+    int TESTrichtige_antwort[]={3};
+    bool testfall;
+    testfall = FcheckaufRichtigkeit(TESTeingabe, TESTrichtige_antwort, TESTindex);
+    TEST_ASSERT_TRUE(testfall != true);
+}
 #endif //Test
\ No newline at end of file