Roll Observatory deps (charted -> ^0.3.0)

packages/path/benchmark/benchmark.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 import '../lib/path.dart' as path;
 
 void runBenchmark(String name, Function func, List files) {
   // Warmup.
   for (int i = 0; i < 10000; i++) {
     for (var p in files) {
       func(p);
     }
   }
   var count = 100000;
   var sw = new Stopwatch()..start();
   for (int i = 0; i < count; i++) {
     for (var p in files) {
       func(p);
     }
   }
   print("$name: ${count / sw.elapsedMicroseconds} iter/us (${sw.elapsed})");
 }
 
+void runBenchmarkTwoArgs(String name, Function func, List files) {
+  // Warmup.
+  for (int i = 0; i < 1000; i++) {
+    for (var file1 in files) {
+      for (var file2 in files) {
+        func(file1, file2);
+      }
+    }
+  }
+
+  var count = 10000;
+  var sw = new Stopwatch()..start();
+  for (int i = 0; i < count; i++) {
+    for (var file1 in files) {
+      for (var file2 in files) {
+        func(file1, file2);
+      }
+    }
+  }
+  print("$name: ${count / sw.elapsedMicroseconds} iter/us (${sw.elapsed})");
+}
+
 main(args) {
   for (var style in [path.Style.posix, path.Style.url, path.Style.windows]) {
     var context = new path.Context(style: style);
     var files = COMMON_PATHS.toList()..addAll(STYLE_PATHS[style]);
 
-    void benchmark(name, func) {
+    benchmark(name, func) {
       name = style.name + '-' + name;
       if (args.isEmpty || args.any((arg) => name.contains(arg))) {
         runBenchmark(name, func, files);
       }
     }
 
+    benchmarkTwoArgs(name, func) {
+      name = style.name + '-' + name + '-two';
+      if (args.isEmpty || args.any((arg) => name.contains(arg))) {
+        runBenchmarkTwoArgs(name, func, files);
+      }
+    }
+
+    benchmark('absolute', context.absolute);
     benchmark('basename', context.basename);
     benchmark('basenameWithoutExtension', context.basenameWithoutExtension);
     benchmark('dirname', context.dirname);
     benchmark('extension', context.extension);
     benchmark('rootPrefix', context.rootPrefix);
     benchmark('isAbsolute', context.isAbsolute);
     benchmark('isRelative', context.isRelative);
     benchmark('isRootRelative', context.isRootRelative);
     benchmark('normalize', context.normalize);
     benchmark('relative', context.relative);
+    benchmarkTwoArgs('relative', context.relative);
     benchmark('toUri', context.toUri);
     benchmark('prettyUri', context.prettyUri);
+    benchmarkTwoArgs('isWithin', context.isWithin);
+  }
+
+  if (args.isEmpty || args.any((arg) => arg == 'current')) {
+    runBenchmark('current', (_) => path.current, [null]);
   }
 }
 
 const COMMON_PATHS = const ['.', '..', 'out/ReleaseIA32/packages'];
 
 final STYLE_PATHS = {
   path.Style.posix: [
     '/home/user/dart/sdk/lib/indexed_db/dart2js/indexed_db_dart2js.dart',
   ],
   path.Style.url: [
     'https://example.server.org/443643002/path?top=yes#fragment',
   ],
   path.Style.windows: [
     r'C:\User\me\',
     r'\\server\share\my\folders\some\file.data',
   ],
 };