'use strict';

const common = require('../common');

const fs = require('fs');

const tmpdir = require('../../test/common/tmpdir');

tmpdir.refresh();

const tmpfile = tmpdir.resolve(`.existing-file-${process.pid}`);

fs.writeFileSync(tmpfile, 'this-is-for-a-benchmark', 'utf8');

const bench = common.createBenchmark(main, {

type: ['existing', 'non-existing', 'non-flat-existing'],

n: [1e6],

});

function main({ n, type }) {

let path;

switch (type) {

case 'existing':

path = __filename;

break;

case 'non-flat-existing':

path = tmpfile;

break;

case 'non-existing':

path = tmpdir.resolve(`.non-existing-file-${process.pid}`);

break;

default:

new Error('Invalid type');

}

bench.start();

for (let i = 0; i < n; i++) {

fs.existsSync(path);

}

bench.end(n);

}