node/benchmark/buffers/buffer-indexof.js

'use strict';
var common = require('../common.js');
var fs = require('fs');
const path = require('path');

var bench = common.createBenchmark(main, {
  search: ['@', 'SQ', '10x', '--l', 'Alice', 'Gryphon', 'Panther',
           'Ou est ma chatte?', 'found it very', 'among mad people',
           'neighbouring pool', 'Soo--oop', 'aaaaaaaaaaaaaaaaa',
           'venture to go near the house till she had brought herself down to',
           '</i> to the Caterpillar'],
  encoding: ['undefined', 'utf8', 'ucs2', 'binary'],
  type: ['buffer', 'string'],
  iter: [1]
});

function main(conf) {
  var iter = (conf.iter) * 100000;
  var aliceBuffer = fs.readFileSync(
    path.resolve(__dirname, '../fixtures/alice.html')
  );
  var search = conf.search;
  var encoding = conf.encoding;

  if (encoding === 'undefined') {
    encoding = undefined;
  }

  if (encoding === 'ucs2') {
    aliceBuffer = Buffer.from(aliceBuffer.toString(), encoding);
  }

  if (conf.type === 'buffer') {
    search = Buffer.from(Buffer.from(search).toString(), encoding);
  }

  bench.start();
  for (var i = 0; i < iter; i++) {
    aliceBuffer.indexOf(search, 0, encoding);
  }
  bench.end(iter);
}