Test successful

stringCalculator.py

@@ -31,6 +31,10 @@ class StringCalculator(IStringCalculator):
         '''Nur 2 Werte sollen miteinander multipliziert werden'''
         if len(list)>2:
             return "only two numbers allowed"
+        
+        for num in list:
+            if "." in num:
+                return "only integers allowed"
 
         '''Konvertirung von Strings zu Integer'''
         result = 0
@@ -64,5 +68,9 @@ class TestStringCalculator(unittest.TestCase):
         res = self.c.add("1,2,3")
         self.assertEqual(res, "only two numbers allowed")
 
+    def test_handleFloat(self):
+        res = self.c.add("3.5")
+        self.assertEqual(res, "only integers allowed")
+
 if __name__ == "__main__":
     unittest.main()
\ No newline at end of file