diff --git a/build/test/cache/test_erloesfunktion.c b/build/test/cache/test_erloesfunktion.c
new file mode 100644
index 0000000..82d401e
--- /dev/null
+++ b/build/test/cache/test_erloesfunktion.c
@@ -0,0 +1,43 @@
+#include "src/funktion.h"
+#include "C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h"
+
+
+
+
+void setUp(void)
+
+{
+
+}
+
+
+
+void tearDown(void)
+
+{
+
+}
+
+
+
+void test_erloesfunktion_NeedToImplement(void)
+
+{
+
+    double a =2000;
+
+    double b = 2;
+
+    double result = erloesfunktion(a,b);
+
+    double ergebnis = 4000;
+
+    printf("Testergebniss %f", ergebnis);
+
+    UnityAssertFloatsWithin((UNITY_FLOAT)((UNITY_FLOAT)((result)) * (UNITY_FLOAT)(0.00001f)), (UNITY_FLOAT)((UNITY_FLOAT)((result))), (UNITY_FLOAT)((UNITY_FLOAT)((ergebnis))), ((
+
+   ((void *)0)
+
+   )), (UNITY_UINT)((UNITY_UINT)(20)));
+
+}
diff --git a/build/test/dependencies/test_erloesfunktion.d b/build/test/dependencies/test_erloesfunktion.d
new file mode 100644
index 0000000..04f1a4e
--- /dev/null
+++ b/build/test/dependencies/test_erloesfunktion.d
@@ -0,0 +1,4 @@
+build/test/out/c/test_erloesfunktion.o: test/test_erloesfunktion.c \
+ C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h \
+ C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/ceedling-0.31.1/vendor/unity/src/unity_internals.h \
+ src/funktion.h
diff --git a/build/test/dependencies/test_erloesfunktion_runner.d b/build/test/dependencies/test_erloesfunktion_runner.d
new file mode 100644
index 0000000..29b934e
--- /dev/null
+++ b/build/test/dependencies/test_erloesfunktion_runner.d
@@ -0,0 +1,4 @@
+build/test/out/c/test_erloesfunktion_runner.o: \
+ build/test/runners/test_erloesfunktion_runner.c \
+ C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h \
+ C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/ceedling-0.31.1/vendor/unity/src/unity_internals.h
diff --git a/build/test/out/c/funktion.o b/build/test/out/c/funktion.o
index 24143d2..60899d1 100644
Binary files a/build/test/out/c/funktion.o and b/build/test/out/c/funktion.o differ
diff --git a/build/test/out/c/test_erloesfunktion.o b/build/test/out/c/test_erloesfunktion.o
new file mode 100644
index 0000000..9edfe3f
Binary files /dev/null and b/build/test/out/c/test_erloesfunktion.o differ
diff --git a/build/test/out/c/test_erloesfunktion_runner.o b/build/test/out/c/test_erloesfunktion_runner.o
new file mode 100644
index 0000000..e0b2f8f
Binary files /dev/null and b/build/test/out/c/test_erloesfunktion_runner.o differ
diff --git a/build/test/out/test_erloesfunktion.out b/build/test/out/test_erloesfunktion.out
new file mode 100644
index 0000000..aeefe92
Binary files /dev/null and b/build/test/out/test_erloesfunktion.out differ
diff --git a/build/test/preprocess/files/test_erloesfunktion.c b/build/test/preprocess/files/test_erloesfunktion.c
new file mode 100644
index 0000000..82d401e
--- /dev/null
+++ b/build/test/preprocess/files/test_erloesfunktion.c
@@ -0,0 +1,43 @@
+#include "src/funktion.h"
+#include "C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h"
+
+
+
+
+void setUp(void)
+
+{
+
+}
+
+
+
+void tearDown(void)
+
+{
+
+}
+
+
+
+void test_erloesfunktion_NeedToImplement(void)
+
+{
+
+    double a =2000;
+
+    double b = 2;
+
+    double result = erloesfunktion(a,b);
+
+    double ergebnis = 4000;
+
+    printf("Testergebniss %f", ergebnis);
+
+    UnityAssertFloatsWithin((UNITY_FLOAT)((UNITY_FLOAT)((result)) * (UNITY_FLOAT)(0.00001f)), (UNITY_FLOAT)((UNITY_FLOAT)((result))), (UNITY_FLOAT)((UNITY_FLOAT)((ergebnis))), ((
+
+   ((void *)0)
+
+   )), (UNITY_UINT)((UNITY_UINT)(20)));
+
+}
diff --git a/build/test/preprocess/includes/test_erloesfunktion.c b/build/test/preprocess/includes/test_erloesfunktion.c
new file mode 100644
index 0000000..376e2c1
--- /dev/null
+++ b/build/test/preprocess/includes/test_erloesfunktion.c
@@ -0,0 +1,3 @@
+---
+- C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h
+- src/funktion.h
diff --git a/build/test/results/test_erloesfunktion.pass b/build/test/results/test_erloesfunktion.pass
new file mode 100644
index 0000000..1892a3e
--- /dev/null
+++ b/build/test/results/test_erloesfunktion.pass
@@ -0,0 +1,19 @@
+---
+:source:
+  :path: test
+  :file: test_erloesfunktion.c
+:successes:
+- :test: test_erloesfunktion_NeedToImplement
+  :line: 13
+  :message: ''
+  :unity_test_time: 0
+:failures: []
+:ignores: []
+:counts:
+  :total: 1
+  :passed: 1
+  :failed: 0
+  :ignored: 0
+:stdout:
+- Testergebniss 4000.000000
+:time: 0.025837199995294213
diff --git a/build/test/runners/test_erloesfunktion_runner.c b/build/test/runners/test_erloesfunktion_runner.c
new file mode 100644
index 0000000..b2b66b0
--- /dev/null
+++ b/build/test/runners/test_erloesfunktion_runner.c
@@ -0,0 +1,81 @@
+/* AUTOGENERATED FILE. DO NOT EDIT. */
+
+/*=======Automagically Detected Files To Include=====*/
+#include "unity.h"
+
+int GlobalExpectCount;
+int GlobalVerifyOrder;
+char* GlobalOrderError;
+
+/*=======External Functions This Runner Calls=====*/
+extern void setUp(void);
+extern void tearDown(void);
+extern void test_erloesfunktion_NeedToImplement(void);
+
+
+/*=======Mock Management=====*/
+static void CMock_Init(void)
+{
+  GlobalExpectCount = 0;
+  GlobalVerifyOrder = 0;
+  GlobalOrderError = NULL;
+}
+static void CMock_Verify(void)
+{
+}
+static void CMock_Destroy(void)
+{
+}
+
+/*=======Test Reset Options=====*/
+void resetTest(void);
+void resetTest(void)
+{
+  tearDown();
+  CMock_Verify();
+  CMock_Destroy();
+  CMock_Init();
+  setUp();
+}
+void verifyTest(void);
+void verifyTest(void)
+{
+  CMock_Verify();
+}
+
+/*=======Test Runner Used To Run Each Test=====*/
+static void run_test(UnityTestFunction func, const char* name, UNITY_LINE_TYPE line_num)
+{
+    Unity.CurrentTestName = name;
+    Unity.CurrentTestLineNumber = line_num;
+#ifdef UNITY_USE_COMMAND_LINE_ARGS
+    if (!UnityTestMatches())
+        return;
+#endif
+    Unity.NumberOfTests++;
+    UNITY_CLR_DETAILS();
+    UNITY_EXEC_TIME_START();
+    CMock_Init();
+    if (TEST_PROTECT())
+    {
+        setUp();
+        func();
+    }
+    if (TEST_PROTECT())
+    {
+        tearDown();
+        CMock_Verify();
+    }
+    CMock_Destroy();
+    UNITY_EXEC_TIME_STOP();
+    UnityConcludeTest();
+}
+
+/*=======MAIN=====*/
+int main(void)
+{
+  UnityBegin("test_erloesfunktion.c");
+  run_test(test_erloesfunktion_NeedToImplement, "test_erloesfunktion_NeedToImplement", 13);
+
+  return UnityEnd();
+}
diff --git a/test/test_erloesfunktion.c b/test/test_erloesfunktion.c
new file mode 100644
index 0000000..3f27b84
--- /dev/null
+++ b/test/test_erloesfunktion.c
@@ -0,0 +1,22 @@
+#include "unity.h"
+#include "funktion.h"
+
+
+void setUp(void)
+{
+}
+
+void tearDown(void)
+{
+}
+
+void test_erloesfunktion_NeedToImplement(void)
+{
+    double a =2000;
+    double b = 2;
+    double result = erloesfunktion(a,b);
+    double ergebnis =  4000;
+    printf("Testergebniss %f", ergebnis);
+    TEST_ASSERT_EQUAL_FLOAT(result, ergebnis);
+}
+