'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: ['hello world'], }); function main({ n, input }) { const normalizedInput = input === 'short' ? input : input.repeat(200); const encoder = new TextEncoder(); const buff = encoder.encode(normalizedInput); bench.start(); for (let i = 0; i < n; ++i) { assert.ok(buffer.isAscii(buff)); } bench.end(n); }