benchmark: split path benchmarks

This commit splits each path benchmark into separate posix and
Windows benchmark files. This allows benchmarking (platform-)specific
inputs against specific platforms (only).

PR-URL: https://github.com/nodejs/node/pull/5123
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 43 insertions, 0 deletions

diff --git a/benchmark/path/basename-win32.js b/benchmark/path/basename-win32.js
new file mode 100644
index 0000000000..08938a2050
--- /dev/null
+++ b/benchmark/path/basename-win32.js
@@ -0,0 +1,43 @@
+var common = require('../common.js');
+var path = require('path');
+var v8 = require('v8');
+
+var bench = common.createBenchmark(main, {
+  pathext: [
+    '',
+    'C:\\',
+    'C:\\foo',
+    'D:\\foo\\.bar.baz',
+    ['E:\\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.win32;
+  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);
+}