From b3ab02b2fe47eef3dfe27e65a64eec416d83d948 Mon Sep 17 00:00:00 2001
From: Vladislav Botvin <darkvlados@gmail.com>
Date: Wed, 6 Nov 2019 17:04:11 +0300
Subject: [PATCH] fs: cover fs.opendir ERR_INVALID_CALLBACK

---
 test/parallel/test-fs-opendir.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/test/parallel/test-fs-opendir.js b/test/parallel/test-fs-opendir.js
index 05fded527fe7f1..04e6e890c33b39 100644
--- a/test/parallel/test-fs-opendir.js
+++ b/test/parallel/test-fs-opendir.js
@@ -86,6 +86,10 @@ assert.throws(function() {
   fs.opendirSync(__filename);
 }, /Error: ENOTDIR: not a directory/);
 
+assert.throws(function() {
+  fs.opendir(__filename);
+}, /TypeError \[ERR_INVALID_CALLBACK\]: Callback must be a function/);
+
 fs.opendir(__filename, common.mustCall(function(e) {
   assert.strictEqual(e.code, 'ENOTDIR');
 }));