diff --git a/.gitignore b/.gitignore
index c85804c..e5c296b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
 /node_modules/
-/dist/
\ No newline at end of file
+/dist/
+/.nyc_output/
+/coverage/
diff --git a/test/index.js b/test/index.js
new file mode 100644
index 0000000..faca10e
--- /dev/null
+++ b/test/index.js
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) Sapphirecode - All Rights Reserved
+ * Created by Timo Hocker <timo@scode.ovh>, March 2020
+ */
+
+/* eslint-disable no-magic-numbers */
+// @ts-nocheck
+'use strict';
+
+const test = require ('ava');
+const util = require ('../index');
+
+test ('truncate_decimal', (t) => {
+  const trunc = util.truncate_decimal (1.23456, 2);
+  t.is (trunc, 1.23);
+});
+
+test ('try_parse_json should parse', (t) => {
+  const str = '{"test":"foo"}';
+  t.notThrows (() => {
+    const json = util.try_parse_json (str);
+    t.deepEqual (json, { test: 'foo' });
+  });
+});
+
+test ('try_parse_json should fail', (t) => {
+  const str = '{"test":foo"}';
+  t.notThrows (() => {
+    const json = util.try_parse_json (str);
+    t.is (json, null);
+  });
+});