From 1d20e30c1876bf939d9b0a19c900783d577ef68b Mon Sep 17 00:00:00 2001
From: Levin Eugene <lzhnek@gmail.com>
Date: Sun, 26 May 2019 17:24:33 +0300
Subject: [PATCH] test: add test for util.inspect

add test case for util.inspect with 'depth' option set to 'null'
 and with that has a custom inspect function attached
---
 test/parallel/test-util-inspect.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/test/parallel/test-util-inspect.js b/test/parallel/test-util-inspect.js
index 16ea2a40e803f4..ac576ec7cbf9d2 100644
--- a/test/parallel/test-util-inspect.js
+++ b/test/parallel/test-util-inspect.js
@@ -852,6 +852,13 @@ util.inspect({ hasOwnProperty: null });
   util.inspect(subject, { customInspectOptions: true, seen: null });
 }
 
+{
+  const subject = { [util.inspect.custom]: common.mustCall((depth) => {
+    assert.strictEqual(depth, null);
+  }) };
+  util.inspect(subject, { depth: null });
+}
+
 {
   // Returning `this` from a custom inspection function works.
   const subject = { a: 123, [util.inspect.custom]() { return this; } };