From 54f36513c6e41fc591d2960923f83b52d0858ba8 Mon Sep 17 00:00:00 2001
From: Yagiz Nizipli <yagiz@nizipli.com>
Date: Thu, 17 Nov 2022 09:43:24 -0500
Subject: [PATCH] benchmark: add readable stream encoding benchmark

---
 benchmark/streams/readable-encoding.js | 36 ++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 benchmark/streams/readable-encoding.js

diff --git a/benchmark/streams/readable-encoding.js b/benchmark/streams/readable-encoding.js
new file mode 100644
index 00000000000000..e9888bc2ab7108
--- /dev/null
+++ b/benchmark/streams/readable-encoding.js
@@ -0,0 +1,36 @@
+'use strict';
+
+ const common = require('../common');
+ const Readable = require('stream').Readable;
+
+ const BASE = 'hello world\n\n';
+
+ const bench = common.createBenchmark(main, {
+   encoding: ['utf-8', 'latin1'],
+   len: [256, 512, 1024 * 16],
+   op: ['unshift', 'push'],
+   n: [1e3]
+ });
+
+ function main({ n, encoding, len, op }) {
+   const b = BASE.repeat(len);
+   const s = new Readable({
+     objectMode: false,
+   });
+
+   bench.start();
+   switch (op) {
+     case 'unshift': {
+       for (let i = 0; i < n; i++)
+         s.unshift(b, encoding);
+       break;
+     }
+     case 'push': {
+       for (let i = 0; i < n; i++)
+         s.push(b, encoding);
+       break;
+     }
+   }
+   bench.end(n);
+ }
+ 
\ No newline at end of file