fix

.gitignore

@@ -1,2 +1,4 @@
 /node_modules/
 /dist/
+/.nyc_output/
+/coverage/

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);
+  });
+});