From 89d3789eb1affa5ba8b6f6a7aa87108495299cb7 Mon Sep 17 00:00:00 2001
From: Ethan Arrowood <ethan@arrowood.dev>
Date: Wed, 6 Nov 2024 12:11:22 +0000
Subject: [PATCH] add (failing) test case

---
 test/sequential/test-fs-opendir-recursive.js | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/test/sequential/test-fs-opendir-recursive.js b/test/sequential/test-fs-opendir-recursive.js
index a7e9b9a318e5fb..e3aeda26e9a75f 100644
--- a/test/sequential/test-fs-opendir-recursive.js
+++ b/test/sequential/test-fs-opendir-recursive.js
@@ -132,6 +132,7 @@ function getDirentPath(dirent) {
 }
 
 function assertDirents(dirents) {
+  assert.strictEqual(dirents.length, expected.length);
   dirents.sort((a, b) => (getDirentPath(a) < getDirentPath(b) ? -1 : 1));
   assert.deepStrictEqual(
     dirents.map((dirent) => {
@@ -221,3 +222,12 @@ function processDirCb(dir, cb) {
 
   test().then(common.mustCall());
 }
+
+// Issue https://github.com/nodejs/node/issues/48820 highlights that
+// opendir recursive does not properly handle the buffer size option.
+// This test asserts that the buffer size option is respected.
+{
+  const dir = fs.opendirSync(testDir, { bufferSize: 1, recursive: true });
+  processDirSync(dir);
+  dir.closeSync();
+}