'use strict'; var common = require('../common.js'); var path = require('path'); var v8 = require('v8'); var bench = common.createBenchmark(main, { pathext: [ '', '/', '/foo', '/foo/.bar.baz', ['/foo/.bar.baz', '.baz'].join('|'), 'foo', 'foo/bar.', ['foo/bar.', '.'].join('|'), '/foo/bar/baz/asdf/quux.html', ['/foo/bar/baz/asdf/quux.html', '.html'].join('|') ], n: [1e6] }); function main(conf) { var n = +conf.n; var p = path.posix; var input = '' + conf.pathext; var ext; var extIdx = input.indexOf('|'); if (extIdx !== -1) { ext = input.slice(extIdx + 1); input = input.slice(0, extIdx); } // Force optimization before starting the benchmark p.basename(input, ext); v8.setFlagsFromString('--allow_natives_syntax'); eval('%OptimizeFunctionOnNextCall(p.basename)'); p.basename(input, ext); bench.start(); for (var i = 0; i < n; i++) { p.basename(input, ext); } bench.end(n); }