diff --git a/build/test/cache/test_Vangle.c b/build/test/cache/test_Vangle.c
new file mode 100644
index 0000000..4af68f7
--- /dev/null
+++ b/build/test/cache/test_Vangle.c
@@ -0,0 +1,47 @@
+#include "src/funktion.h"
+#include "/var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h"
+
+
+void setUp(void)
+
+{
+
+}
+
+
+
+void tearDown(void)
+
+{
+
+}
+
+
+
+void test_Vangle_NeedToImplement(void)
+
+{
+
+    double x1 = 2;
+
+    double x2 = 2;
+
+    double x3 = 4;
+
+    double z1 = 2;
+
+    double z2 = 2;
+
+    double z3 = 4;
+
+    double exp = Vangle(x1,x2,x3,z1,z2,z3);
+
+    double result = 11;
+
+    UnityAssertFloatsWithin((UNITY_FLOAT)((UNITY_FLOAT)((result)) * (UNITY_FLOAT)(0.00001f)), (UNITY_FLOAT)((UNITY_FLOAT)((result))), (UNITY_FLOAT)((UNITY_FLOAT)((exp))), ((
+
+   ((void *)0)
+
+   )), (UNITY_UINT)((UNITY_UINT)(22)));
+
+}
diff --git a/build/test/dependencies/test_Vangle.d b/build/test/dependencies/test_Vangle.d
new file mode 100644
index 0000000..becfcf9
--- /dev/null
+++ b/build/test/dependencies/test_Vangle.d
@@ -0,0 +1,4 @@
+build/test/out/c/test_Vangle.o: test/test_Vangle.c \
+ /var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h \
+ /var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity_internals.h \
+ src/funktion.h
diff --git a/build/test/dependencies/test_Vangle_runner.d b/build/test/dependencies/test_Vangle_runner.d
new file mode 100644
index 0000000..fed8867
--- /dev/null
+++ b/build/test/dependencies/test_Vangle_runner.d
@@ -0,0 +1,4 @@
+build/test/out/c/test_Vangle_runner.o: \
+ build/test/runners/test_Vangle_runner.c \
+ /var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h \
+ /var/lib/gems/3.0.0/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 b20ded8..48bb9bd 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_Vangle.o b/build/test/out/c/test_Vangle.o
new file mode 100644
index 0000000..153ac50
Binary files /dev/null and b/build/test/out/c/test_Vangle.o differ
diff --git a/build/test/out/c/test_Vangle_runner.o b/build/test/out/c/test_Vangle_runner.o
new file mode 100644
index 0000000..e101e47
Binary files /dev/null and b/build/test/out/c/test_Vangle_runner.o differ
diff --git a/build/test/out/test_Akkortrichtsatz.out b/build/test/out/test_Akkortrichtsatz.out
index f0dec06..45ea1b3 100755
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index 5a1f6ee..6724e00 100755
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index 329397b..58368cb 100755
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index ece4914..9e37453 100755
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index 5008688..d821e50 100755
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index d1eca59..445b64d 100755
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index 5f46b60..617a869 100755
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new file mode 100755
index 0000000..e567ad1
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diff --git a/build/test/out/test_gesamtkapital_Rentabilitaeten.out b/build/test/out/test_gesamtkapital_Rentabilitaeten.out
index 1b748a6..d6c9aa2 100755
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diff --git a/build/test/out/test_grenzGewinn.out b/build/test/out/test_grenzGewinn.out
index 33e2daa..0832b9a 100755
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diff --git a/build/test/out/test_marktanteil.out b/build/test/out/test_marktanteil.out
index 599d590..c58e0ba 100755
Binary files a/build/test/out/test_marktanteil.out and b/build/test/out/test_marktanteil.out differ
diff --git a/build/test/out/test_trapezFlaeche.out b/build/test/out/test_trapezFlaeche.out
index 9e2f764..ad8f109 100755
Binary files a/build/test/out/test_trapezFlaeche.out and b/build/test/out/test_trapezFlaeche.out differ
diff --git a/build/test/preprocess/files/test_Vangle.c b/build/test/preprocess/files/test_Vangle.c
new file mode 100644
index 0000000..4af68f7
--- /dev/null
+++ b/build/test/preprocess/files/test_Vangle.c
@@ -0,0 +1,47 @@
+#include "src/funktion.h"
+#include "/var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h"
+
+
+void setUp(void)
+
+{
+
+}
+
+
+
+void tearDown(void)
+
+{
+
+}
+
+
+
+void test_Vangle_NeedToImplement(void)
+
+{
+
+    double x1 = 2;
+
+    double x2 = 2;
+
+    double x3 = 4;
+
+    double z1 = 2;
+
+    double z2 = 2;
+
+    double z3 = 4;
+
+    double exp = Vangle(x1,x2,x3,z1,z2,z3);
+
+    double result = 11;
+
+    UnityAssertFloatsWithin((UNITY_FLOAT)((UNITY_FLOAT)((result)) * (UNITY_FLOAT)(0.00001f)), (UNITY_FLOAT)((UNITY_FLOAT)((result))), (UNITY_FLOAT)((UNITY_FLOAT)((exp))), ((
+
+   ((void *)0)
+
+   )), (UNITY_UINT)((UNITY_UINT)(22)));
+
+}
diff --git a/build/test/preprocess/includes/test_Vangle.c b/build/test/preprocess/includes/test_Vangle.c
new file mode 100644
index 0000000..4e923ea
--- /dev/null
+++ b/build/test/preprocess/includes/test_Vangle.c
@@ -0,0 +1,3 @@
+---
+- "/var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h"
+- src/funktion.h
diff --git a/build/test/results/test_Akkortrichtsatz.pass b/build/test/results/test_Akkortrichtsatz.pass
index 5897bcd..bbf3718 100644
--- a/build/test/results/test_Akkortrichtsatz.pass
+++ b/build/test/results/test_Akkortrichtsatz.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 552.000000
-:time: 0.0021953410005153273
+:time: 0.003636677000031341
diff --git a/build/test/results/test_Anlagenabnutzungsgrad.pass b/build/test/results/test_Anlagenabnutzungsgrad.pass
index 8390be3..35ad2b9 100644
--- a/build/test/results/test_Anlagenabnutzungsgrad.pass
+++ b/build/test/results/test_Anlagenabnutzungsgrad.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 60.000000
-:time: 0.0024351000001843204
+:time: 0.003507821999846783
diff --git a/build/test/results/test_Anlagenintensitaet.pass b/build/test/results/test_Anlagenintensitaet.pass
index 33144e4..389ab20 100644
--- a/build/test/results/test_Anlagenintensitaet.pass
+++ b/build/test/results/test_Anlagenintensitaet.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 4878.048780
-:time: 0.0018606740004543099
+:time: 0.002491379999810306
diff --git a/build/test/results/test_Anlagenproduktivitaet.pass b/build/test/results/test_Anlagenproduktivitaet.pass
index 094130b..0563fd4 100644
--- a/build/test/results/test_Anlagenproduktivitaet.pass
+++ b/build/test/results/test_Anlagenproduktivitaet.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 18.203304
-:time: 0.0016116229999170173
+:time: 0.0020424940003067604
diff --git a/build/test/results/test_Arbeitsproduktivitaet.pass b/build/test/results/test_Arbeitsproduktivitaet.pass
index 5d5385d..766a128 100644
--- a/build/test/results/test_Arbeitsproduktivitaet.pass
+++ b/build/test/results/test_Arbeitsproduktivitaet.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 60.000000
-:time: 0.0019354830001248047
+:time: 0.0029920909992142697
diff --git a/build/test/results/test_Cashflow_zu_Gesamtkapital.pass b/build/test/results/test_Cashflow_zu_Gesamtkapital.pass
index 488f500..f6c0c50 100644
--- a/build/test/results/test_Cashflow_zu_Gesamtkapital.pass
+++ b/build/test/results/test_Cashflow_zu_Gesamtkapital.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 0.158038
-:time: 0.003553020999788714
+:time: 0.0014707629998156335
diff --git a/build/test/results/test_Dynamische_Amortisationszeit.pass b/build/test/results/test_Dynamische_Amortisationszeit.pass
index f40c395..e6b1433 100644
--- a/build/test/results/test_Dynamische_Amortisationszeit.pass
+++ b/build/test/results/test_Dynamische_Amortisationszeit.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 189.421906
-:time: 0.0016166649993465398
+:time: 0.0021627099995384924
diff --git a/build/test/results/test_Effektivverzinsung.pass b/build/test/results/test_Effektivverzinsung.pass
index 5c79f19..657e8ba 100644
--- a/build/test/results/test_Effektivverzinsung.pass
+++ b/build/test/results/test_Effektivverzinsung.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 16.034390
-:time: 0.0017326669994872645
+:time: 0.0024297410000144737
diff --git a/build/test/results/test_Finanzierungsregeln.pass b/build/test/results/test_Finanzierungsregeln.pass
index 28409c3..3129926 100644
--- a/build/test/results/test_Finanzierungsregeln.pass
+++ b/build/test/results/test_Finanzierungsregeln.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 0.051041
-:time: 0.004237866000039503
+:time: 0.00305657999979303
diff --git a/build/test/results/test_GewinnMaximum.pass b/build/test/results/test_GewinnMaximum.pass
index 67e4b59..986836c 100644
--- a/build/test/results/test_GewinnMaximum.pass
+++ b/build/test/results/test_GewinnMaximum.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 251.000000
-:time: 0.0013034290004725335
+:time: 0.0037081790005686344
diff --git a/build/test/results/test_Kalkulatorische_Zinsen.pass b/build/test/results/test_Kalkulatorische_Zinsen.pass
index 2e09d7e..1aad40c 100644
--- a/build/test/results/test_Kalkulatorische_Zinsen.pass
+++ b/build/test/results/test_Kalkulatorische_Zinsen.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 1.440000
-:time: 0.0029109510005582706
+:time: 0.0017208929994012578
diff --git a/build/test/results/test_Kritische_Menge.pass b/build/test/results/test_Kritische_Menge.pass
index 231ab9d..d22fddb 100644
--- a/build/test/results/test_Kritische_Menge.pass
+++ b/build/test/results/test_Kritische_Menge.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss -12.096026
-:time: 0.0017560449996381067
+:time: 0.003995162000137498
diff --git a/build/test/results/test_Stueckzeitakkort.pass b/build/test/results/test_Stueckzeitakkort.pass
index 0b3a43c..9da4807 100644
--- a/build/test/results/test_Stueckzeitakkort.pass
+++ b/build/test/results/test_Stueckzeitakkort.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - '96600.000000'
-:time: 0.001972701999875426
+:time: 0.001518885999757913
diff --git a/build/test/results/test_Vadd.pass b/build/test/results/test_Vadd.pass
index 4c04a79..6f2e5ed 100644
--- a/build/test/results/test_Vadd.pass
+++ b/build/test/results/test_Vadd.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.0028213429995957995
+:time: 0.0016438989996458986
diff --git a/build/test/results/test_Vaddx2.pass b/build/test/results/test_Vaddx2.pass
index a41e2b1..c9039d8 100644
--- a/build/test/results/test_Vaddx2.pass
+++ b/build/test/results/test_Vaddx2.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.005015943999751471
+:time: 0.0020302789998822846
diff --git a/build/test/results/test_Vaddx3.pass b/build/test/results/test_Vaddx3.pass
index ad536e1..509149d 100644
--- a/build/test/results/test_Vaddx3.pass
+++ b/build/test/results/test_Vaddx3.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.0018979090000357246
+:time: 0.0016461750001326436
diff --git a/build/test/results/test_Vangle.pass b/build/test/results/test_Vangle.pass
new file mode 100644
index 0000000..bf0732d
--- /dev/null
+++ b/build/test/results/test_Vangle.pass
@@ -0,0 +1,20 @@
+---
+:source:
+  :path: test
+  :file: test_Vangle.c
+:successes:
+- :test: test_Vangle_NeedToImplement
+  :line: 12
+  :message: ''
+  :unity_test_time: 0
+:failures: []
+:ignores: []
+:counts:
+  :total: 1
+  :passed: 1
+  :failed: 0
+  :ignored: 0
+:stdout:
+- 'Der Winkel betraegt: nan'
+- ''
+:time: 0.005512795999493392
diff --git a/build/test/results/test_Vlength.pass b/build/test/results/test_Vlength.pass
index 227256e..ab014ff 100644
--- a/build/test/results/test_Vlength.pass
+++ b/build/test/results/test_Vlength.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.004810903999896254
+:time: 0.0017696009999781381
diff --git a/build/test/results/test_Vmiddle.pass b/build/test/results/test_Vmiddle.pass
index 2276a41..c62cd20 100644
--- a/build/test/results/test_Vmiddle.pass
+++ b/build/test/results/test_Vmiddle.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.00447749799968733
+:time: 0.0017347259999951348
diff --git a/build/test/results/test_Vmiddle2.pass b/build/test/results/test_Vmiddle2.pass
index 470e0f2..63d47f2 100644
--- a/build/test/results/test_Vmiddle2.pass
+++ b/build/test/results/test_Vmiddle2.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.0018228869994345587
+:time: 0.0016793879995020689
diff --git a/build/test/results/test_Vmiddle3.pass b/build/test/results/test_Vmiddle3.pass
index 9dba6b3..2322351 100644
--- a/build/test/results/test_Vmiddle3.pass
+++ b/build/test/results/test_Vmiddle3.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.0036964020000596065
+:time: 0.0015692110000600223
diff --git a/build/test/results/test_Vmultiplier.pass b/build/test/results/test_Vmultiplier.pass
index 6dfe57c..722bd75 100644
--- a/build/test/results/test_Vmultiplier.pass
+++ b/build/test/results/test_Vmultiplier.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.002029373999903328
+:time: 0.0017407859995728359
diff --git a/build/test/results/test_Vmultiplier2.pass b/build/test/results/test_Vmultiplier2.pass
index cfb5a11..41f2925 100644
--- a/build/test/results/test_Vmultiplier2.pass
+++ b/build/test/results/test_Vmultiplier2.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.002149492000171449
+:time: 0.002005395000196586
diff --git a/build/test/results/test_Vmultiplier3.pass b/build/test/results/test_Vmultiplier3.pass
index 55dc34c..42d115c 100644
--- a/build/test/results/test_Vmultiplier3.pass
+++ b/build/test/results/test_Vmultiplier3.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.002835910999237967
+:time: 0.00319874799970421
diff --git a/build/test/results/test_Vparallel.pass b/build/test/results/test_Vparallel.pass
index 03e6dc6..7e089f7 100644
--- a/build/test/results/test_Vparallel.pass
+++ b/build/test/results/test_Vparallel.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.004778819999955886
+:time: 0.0022599650001211558
diff --git a/build/test/results/test_Vshift.pass b/build/test/results/test_Vshift.pass
index 81d6b5e..37378d7 100644
--- a/build/test/results/test_Vshift.pass
+++ b/build/test/results/test_Vshift.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.007009155000559986
+:time: 0.0031051680007294635
diff --git a/build/test/results/test_Vskalort.pass b/build/test/results/test_Vskalort.pass
index 2322f2f..d09f260 100644
--- a/build/test/results/test_Vskalort.pass
+++ b/build/test/results/test_Vskalort.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.005192976999751409
+:time: 0.006159935000141559
diff --git a/build/test/results/test_Vsubstract.pass b/build/test/results/test_Vsubstract.pass
index 6982e3f..b6dfefc 100644
--- a/build/test/results/test_Vsubstract.pass
+++ b/build/test/results/test_Vsubstract.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.004478492000089318
+:time: 0.0069610629998351214
diff --git a/build/test/results/test_Vsubstract2.pass b/build/test/results/test_Vsubstract2.pass
index f211ff6..145f253 100644
--- a/build/test/results/test_Vsubstract2.pass
+++ b/build/test/results/test_Vsubstract2.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.0051441159994283225
+:time: 0.0025703319997774088
diff --git a/build/test/results/test_Vsubstract3.pass b/build/test/results/test_Vsubstract3.pass
index 48529da..a3941d9 100644
--- a/build/test/results/test_Vsubstract3.pass
+++ b/build/test/results/test_Vsubstract3.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.0018999519998033065
+:time: 0.001652977999583527
diff --git a/build/test/results/test_Zeitlohn.pass b/build/test/results/test_Zeitlohn.pass
index 451f4b4..5976c35 100644
--- a/build/test/results/test_Zeitlohn.pass
+++ b/build/test/results/test_Zeitlohn.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 3450.000000
-:time: 0.00453161200039176
+:time: 0.002210190000369039
diff --git a/build/test/results/test_angebotserfolg.pass b/build/test/results/test_angebotserfolg.pass
index 28d6092..0f20d9a 100644
--- a/build/test/results/test_angebotserfolg.pass
+++ b/build/test/results/test_angebotserfolg.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 225.000000
-:time: 0.0019300260000818525
+:time: 0.0017859230001704418
diff --git a/build/test/results/test_eigenkapital_Rentabilitaeten.pass b/build/test/results/test_eigenkapital_Rentabilitaeten.pass
index 91286f9..c8236da 100644
--- a/build/test/results/test_eigenkapital_Rentabilitaeten.pass
+++ b/build/test/results/test_eigenkapital_Rentabilitaeten.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 62.500000
-:time: 0.006333573000119941
+:time: 0.002008553999985452
diff --git a/build/test/results/test_erloesfunktion.pass b/build/test/results/test_erloesfunktion.pass
index 1630fd4..c00bd14 100644
--- a/build/test/results/test_erloesfunktion.pass
+++ b/build/test/results/test_erloesfunktion.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 4000.000000
-:time: 0.0014883139992889483
+:time: 0.0019638029998532147
diff --git a/build/test/results/test_gesamtkapital_Rentabilitaeten.pass b/build/test/results/test_gesamtkapital_Rentabilitaeten.pass
index e54a0e0..f7e7cf3 100644
--- a/build/test/results/test_gesamtkapital_Rentabilitaeten.pass
+++ b/build/test/results/test_gesamtkapital_Rentabilitaeten.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 27.136929
-:time: 0.005205324000598921
+:time: 0.0020353720001367037
diff --git a/build/test/results/test_grenzGewinn.pass b/build/test/results/test_grenzGewinn.pass
index 2fbfd01..4d22147 100644
--- a/build/test/results/test_grenzGewinn.pass
+++ b/build/test/results/test_grenzGewinn.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 1141.000000
-:time: 0.0024794129994916148
+:time: 0.0026516950001678197
diff --git a/build/test/results/test_marktanteil.pass b/build/test/results/test_marktanteil.pass
index f003d5d..ac16986 100644
--- a/build/test/results/test_marktanteil.pass
+++ b/build/test/results/test_marktanteil.pass
@@ -16,4 +16,4 @@
   :ignored: 0
 :stdout:
 - Testergebniss 21.739130
-:time: 0.0017361050004183198
+:time: 0.001674809999713034
diff --git a/build/test/results/test_trapezFlaeche.pass b/build/test/results/test_trapezFlaeche.pass
index 4d2e7c3..3808471 100644
--- a/build/test/results/test_trapezFlaeche.pass
+++ b/build/test/results/test_trapezFlaeche.pass
@@ -17,4 +17,4 @@
 :stdout:
 - 'Flaeche vom Trapez beträgt: 21.000000'
 - Testergebniss 21.000000
-:time: 0.0015049180001369677
+:time: 0.0016354180006601382
diff --git a/build/test/runners/test_Vangle_runner.c b/build/test/runners/test_Vangle_runner.c
new file mode 100644
index 0000000..61fa58a
--- /dev/null
+++ b/build/test/runners/test_Vangle_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_Vangle_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_Vangle.c");
+  run_test(test_Vangle_NeedToImplement, "test_Vangle_NeedToImplement", 12);
+
+  return UnityEnd();
+}
diff --git a/test/test_Vangle.c b/test/test_Vangle.c
new file mode 100644
index 0000000..b3de258
--- /dev/null
+++ b/test/test_Vangle.c
@@ -0,0 +1,23 @@
+#include "unity.h"
+#include "funktion.h"
+
+void setUp(void)
+{
+}
+
+void tearDown(void)
+{
+}
+
+void test_Vangle_NeedToImplement(void)
+{
+    double x1 = 2;
+    double x2 = 2;
+    double x3 = 4;
+    double z1 = 2;
+    double z2 = 2;
+    double z3 = 4;
+    double exp = Vangle(x1,x2,x3,z1,z2,z3);
+    double result = 11;
+    TEST_ASSERT_EQUAL_FLOAT(result,exp);
+}