From 3ba354aaaa412d6927048f2594921b40a5157f21 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
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add test case for util.inspect with 'depth' option set to 'null'
 and with that has a custom inspect function attached

PR-URL: https://github.com/nodejs/node/pull/27906
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Ujjwal Sharma <usharma1998@gmail.com>
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>
---
 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 cfd962097810ce..57994af20911d7 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; } };