From e1a066f751ab6b48b3c43d35d980350d60775780 Mon Sep 17 00:00:00 2001
From: m93a <m93a.cz@gmail.com>
Date: Tue, 9 Oct 2018 00:21:03 +0200
Subject: [PATCH] test for illegal addEventListener call

---
 test/misc.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/test/misc.js b/test/misc.js
index b45535f..f7ca415 100644
--- a/test/misc.js
+++ b/test/misc.js
@@ -154,6 +154,15 @@ describe('API', function () {
     );
   });
 
+  it('event-error', function () {
+    var md = markdownit();
+
+    assert.throws(
+      function () { md.addEventListener('', 42); },
+      /Argument 2 must be a function/
+    );
+  });
+
   it('event-parse', function () {
     var md = markdownit();
     var firedPre = false;