added inherited methods and variables

pkg/docgen/test/single_library_test.dart

 library single_library_test;
 
 import 'dart:io'; 
 
 import 'package:path/path.dart' as path;
 import 'package:unittest/unittest.dart';
 
 import '../lib/docgen.dart';
 
 main() {
@@ skipping 35 matching lines @@
       ''');
       
       getMirrorSystem([fileName])
         .then(expectAsync1((mirrorSystem) {
           var testLibraryUri = new Uri(scheme: 'file', 
               path: path.absolute(fileName));
           var library = generateLibrary(mirrorSystem.libraries[testLibraryUri], 
               includePrivate: false);
           expect(library is Library, isTrue);
           
-          var classTypes = library.classes.values;
-          expect(classTypes.every((e) => e is Map), isTrue);
+          var classTypes = library.classes;
+          expect(classTypes is ClassGroup, isTrue);
           
           var classes = [];
-          classTypes.forEach((e) => classes.addAll(e.values));
+          classes.addAll(classTypes.abstractClasses.values);
+          classes.addAll(classTypes.regularClasses.values);
+          classes.addAll(classTypes.errors.values);
           expect(classes.every((e) => e is Class), isTrue);
           
+          expect(classTypes.typedefs.values.every((e) => e is Typedef), isTrue);
+          
           var classMethodTypes = [];
-          classes.forEach((e) => classMethodTypes.addAll(e.methods.values));
-          expect(classMethodTypes.every((e) => e is Map), isTrue);
+          classes.forEach((e) {
+            classMethodTypes.add(e.methods);
+            classMethodTypes.add(e.inheritedMethods);
+          });
+          expect(classMethodTypes.every((e) => e is MethodGroup), isTrue);
 
           var classMethods = [];
-          classMethodTypes.forEach((e) => classMethods.addAll(e.values));
+          classMethodTypes.forEach((e) {
+            classMethods.addAll(e.setters.values);
+            classMethods.addAll(e.getters.values);
+            classMethods.addAll(e.constructors.values);
+            classMethods.addAll(e.operators.values);
+            classMethods.addAll(e.regularMethods.values);
+          });
           expect(classMethods.every((e) => e is Method), isTrue);
           
           var methodParameters = [];
           classMethods.forEach((e) { 
             methodParameters.addAll(e.parameters.values);
           });
           expect(methodParameters.every((e) => e is Parameter), isTrue);
           
-          var functionTypes = library.functions.values;
-          expect(functionTypes.every((e) => e is Map), isTrue);
+          var functionTypes = library.functions;
+          expect(functionTypes is MethodGroup, isTrue);
           
           var functions = [];
-          functionTypes.forEach((e) => functions.addAll(e.values));
+          functions.addAll(functionTypes.setters.values);
+          functions.addAll(functionTypes.getters.values);
+          functions.addAll(functionTypes.constructors.values);
+          functions.addAll(functionTypes.operators.values);
+          functions.addAll(functionTypes.regularMethods.values);
           expect(functions.every((e) => e is Method), isTrue);
           
           var functionParameters = [];
           functions.forEach((e) {
             functionParameters.addAll(e.parameters.values); 
           });
           expect(functionParameters.every((e) => e is Parameter), isTrue);
     
           var variables = library.variables.values;
           expect(variables.every((e) => e is Variable), isTrue);
@@ skipping 18 matching lines @@
           expect(methodDocComment == 'test.A.doThis', isTrue);
           
           // Testing something with no reference
           var libraryDocComment = fixReference('foobar', libraryMirror,
               classMirror, methodMirror).children.first.text;
           expect(libraryDocComment == 'foobar', isTrue);
         })).whenComplete(() => temporaryDir.deleteSync(recursive: true));
     });
   });
 }