diff --git a/src/test/test_funktionen.c b/src/test/test_funktionen.c
index 59ea166..716b954 100644
--- a/src/test/test_funktionen.c
+++ b/src/test/test_funktionen.c
@@ -434,6 +434,19 @@ void test_convert_meter_in_dezimeter(void)
     TEST_ASSERT_EQUAL_INT(expected, actual);
 }
 
+void test_convert_dezimeter_in_centimeter(void)
+{
+    /* arrange */
+    int actual;
+    int expected = 40;
+
+    /* act */
+    actual = berechnungVonDezimeterzuCentimeter(4);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(expected, actual);
+}
+
 void test_stringLaenge_von_Kokosnuss(void)
 {
     /* arrange */