add test #337

Author: jonny64

test/issue-337-test.js

@@ -0,0 +1,9 @@
+'use strict';
+
+const simpleParser = require('..').simpleParser;
+
+module.exports['Hangs when Reply-To invalid encoded'] = async test => {
+    simpleParser('Content-type: text/plain\r\nReply-To: =?U� -8?B?0=D0=BA=D0=BE=D0=B2?=\n\r\n1234');
+
+    test.done();
+};