'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); }