benchmark: add buffer.isUtf8 bench

RafaelGSS · targos · commit 7410d51cb94e · 2024-10-02T07:57:54.000+02:00
PR-URL: #54740 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
diff --git a/benchmark/buffers/buffer-isutf8.js b/benchmark/buffers/buffer-isutf8.js
@@ -0,0 +1,23 @@
+'use strict';
+
+const common = require('../common.js');
+const buffer = require('node:buffer');
+const assert = require('node:assert');
+
+const bench = common.createBenchmark(main, {
+ n: [2e7],
+ length: ['short', 'long'],
+ input: ['regular string', '∀x∈ℝ: ⌈x⌉ = −⌊−x⌋'],
+});
+
+
+function main({ n, input, length }) {
+ const normalizedInput = length === 'short' ? input : input.repeat(300);
+ const encoder = new TextEncoder();
+ const buff = encoder.encode(normalizedInput);
+ bench.start();
+ for (let i = 0; i < n; ++i) {
+ assert.ok(buffer.isUtf8(buff));
+ }
+ bench.end(n);
+}

-Original file line number
+Diff line change
@@ @@ -0,0 +1,23 @@ @@
 +'use strict';
++
 +constcommon=require('../common.js');
 +constbuffer=require('node:buffer');
 +constassert=require('node:assert');
++
 +constbench=common.createBenchmark(main,{
 +n: [2e7],
 +length: ['short','long'],
 +input: ['regular string','∀x∈ℝ: ⌈x⌉ = −⌊−x⌋'],
 +});
++
++
 +functionmain({ n, input, length }){
 +constnormalizedInput=length==='short' ? input : input.repeat(300);
 +constencoder=newTextEncoder();
 +constbuff=encoder.encode(normalizedInput);
 +bench.start();
 +for(leti=0;i<n;++i){
 +assert.ok(buffer.isUtf8(buff));
 +}
 +bench.end(n);
 +}