node/benchmark/fs/bench-realpath.js
Anna Henningsen efabc6ae4d benchmark: fix off-by-one error in fs benchmarks
Fix a off-by-one error that made the benchmarks for asynchronous
functions run `n - 1` times instead of `n` times.

PR-URL: https://github.com/nodejs/node/pull/8338
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Brian White <mscdex@mscdex.net>
2016-09-11 20:52:57 -07:00

47 lines
931 B
JavaScript

'use strict';
const common = require('../common');
const fs = require('fs');
const path = require('path');
const resolved_path = path.resolve(__dirname, '../../lib/');
const relative_path = path.relative(__dirname, '../../lib/');
const bench = common.createBenchmark(main, {
n: [1e4],
type: ['relative', 'resolved'],
});
function main(conf) {
const n = conf.n >>> 0;
const type = conf.type;
bench.start();
if (type === 'relative')
relativePath(n);
else if (type === 'resolved')
resolvedPath(n);
else
throw new Error('unknown "type": ' + type);
}
function relativePath(n) {
(function r(cntr) {
if (cntr-- <= 0)
return bench.end(n);
fs.realpath(relative_path, function() {
r(cntr);
});
}(n));
}
function resolvedPath(n) {
(function r(cntr) {
if (cntr-- <= 0)
return bench.end(n);
fs.realpath(resolved_path, function() {
r(cntr);
});
}(n));
}