'use strict'; const common = require('../common.js'); const { lookup } = require('dns').promises; const bench = common.createBenchmark(main, { name: ['127.0.0.1', '::1'], all: ['true', 'false'], n: [5e6], }); function main({ name, n, all }) { if (all === 'true') { const opts = { all: true }; bench.start(); (async function cb() { for (let i = 0; i < n; i++) { await lookup(name, opts); } })(); bench.end(n); } else { bench.start(); (async function cb() { for (let i = 0; i < n; i++) { await lookup(name); } })(); bench.end(n); } }