'use strict'; const common = require('../common'); const fs = require('fs'); const tmpdir = require('../../test/common/tmpdir'); tmpdir.refresh(); const bench = common.createBenchmark(main, { type: ['existing', 'non-existing'], n: [1e5], }); function main({ n, type }) { let path; switch (type) { case 'existing': path = __filename; 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++) { try { const fd = fs.openSync(path, 'r', 0o666); fs.closeSync(fd); } catch { // do nothing } } bench.end(n); }