'use strict'; const common = require('../common.js'); const url = require('url'); const v8 = require('v8'); const inputs = { slashes: {slashes: true, host: 'localhost'}, file: {protocol: 'file:', pathname: '/foo'}, }; const bench = common.createBenchmark(main, { type: Object.keys(inputs), n: [25e6] }); function main(conf) { const type = conf.type; const n = conf.n | 0; const input = inputs[type] || ''; // Force-optimize url.format() so that the benchmark doesn't get // disrupted by the optimizer kicking in halfway through. for (const name in inputs) url.format(inputs[name]); v8.setFlagsFromString('--allow_natives_syntax'); eval('%OptimizeFunctionOnNextCall(url.format)'); bench.start(); for (var i = 0; i < n; i += 1) url.format(input); bench.end(n); }