'use strict'; const common = require('../common.js'); const StringDecoder = require('string_decoder').StringDecoder; const bench = common.createBenchmark(main, { encoding: [ 'ascii', 'utf8', 'utf-8', 'base64', 'ucs2', 'UTF-8', 'AscII', 'UTF-16LE', ], n: [25e6] }); function main({ encoding, n }) { bench.start(); for (var i = 0; i < n; ++i) { const sd = new StringDecoder(encoding); !!sd.encoding; } bench.end(n); }