removed docgen/test/single_library_test: Skip # Uses js_helper

pkg/docgen/lib/docgen.dart

 // Copyright (c) 2013, 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.
 
 /**
  * **docgen** is a tool for creating machine readable representations of Dart
  * code metadata, including: classes, members, comments and annotations.
  *
  * docgen is run on a `.dart` file or a directory containing `.dart` files.
  *
@@ skipping 65 matching lines @@
     if (FileSystemEntity.typeSync(files.first)
         == FileSystemEntityType.DIRECTORY) {
       packageRoot = _findPackageRoot(files.first);
     }
   }
   logger.info('Package Root: ${packageRoot}');
 
   linkResolver = (name) =>
       fixReference(name, _currentLibrary, _currentClass, _currentMember);
 
-  return getMirrorSystem(files, packageRoot, parseSdk: parseSdk)
+  return getMirrorSystem(files, packageRoot: packageRoot, parseSdk: parseSdk)
     .then((MirrorSystem mirrorSystem) {
       if (mirrorSystem.libraries.isEmpty) {
         throw new StateError('No library mirrors were created.');
       }
       _documentLibraries(mirrorSystem.libraries.values,
           includeSdk: includeSdk, includePrivate: includePrivate,
           outputToYaml: outputToYaml);
 
       return true;
     });
@@ skipping 45 matching lines @@
       logger.info('Add to SDK: ${sdk.last}');
     }
   });
   return sdk;
 }
 
 /**
  * Analyzes set of libraries by getting a mirror system and triggers the
  * documentation of the libraries.
  */
-Future<MirrorSystem> getMirrorSystem(List<String> args, String packageRoot,
-    {bool parseSdk:false}) {
+Future<MirrorSystem> getMirrorSystem(List<String> args, {String packageRoot,
+    bool parseSdk:false}) {
   var libraries = !parseSdk ? _listLibraries(args) : _listSdk();
   if (libraries.isEmpty) throw new StateError('No Libraries.');
   // DART_SDK should be set to the root of the SDK library.
   var sdkRoot = Platform.environment['DART_SDK'];
   if (sdkRoot != null) {
     logger.info('Using DART_SDK to find SDK at $sdkRoot');
   } else {
     // If DART_SDK is not defined in the environment,
     // assuming the dart executable is from the Dart SDK folder inside bin.
-    sdkRoot = path.dirname(path.dirname(new Options().executable));
+    sdkRoot = path.join(path.dirname(path.dirname(path.dirname(path.dirname(
+        path.absolute(new Options().script))))), 'sdk');
     logger.info('SDK Root: ${sdkRoot}');
   }
-
   return _analyzeLibraries(libraries, sdkRoot, packageRoot: packageRoot);
 }
 
 // TODO(janicejl): Should make docgen fail gracefully, or output a friendly
 // error message letting them know why it is failing to create a mirror system.
 // If there is conflicting library names, should modify it with a hash at the
 // end of it's library name.
 /**
  * Analyzes set of libraries and provides a mirror system which can be used
  * for static inspection of the source code.
@@ skipping 493 matching lines @@
   String name;
   String type;
   
   Generic(this.name, this.type);
   
   Map toMap() => {
       'name': name,
       'type': type
     };
 }