Fix for AnalysisContext.getElement() for enums.

pkg/analyzer/test/generated/engine_test.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.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.engine_test;
 
 import 'dart:collection';
@@ skipping 192 matching lines @@
 
   @override
   void setUp() {
     _context = new AnalysisContextImpl();
     _sourceFactory = new SourceFactory(
         [new DartUriResolver(DirectoryBasedDartSdk.defaultSdk), new FileUriResolver()]);
     _context.sourceFactory = _sourceFactory;
     AnalysisOptionsImpl options =
         new AnalysisOptionsImpl.con1(_context.analysisOptions);
     options.cacheSize = 256;
+    options.enableAsync = true;
+    options.enableEnum = true;
     _context.analysisOptions = options;
   }
 
   @override
   void tearDown() {
     _context = null;
     _sourceFactory = null;
     super.tearDown();
   }
 
@@ skipping 447 matching lines @@
 }''');
     _analyzeAll_assertFinished();
     LibraryElement library = _context.computeLibraryElement(source);
     ClassElement classA = _findClass(library.definingCompilationUnit, "A");
     ConstructorElement constructor = classA.constructors[0];
     ElementLocation location = constructor.location;
     Element element = _context.getElement(location);
     JUnitTestCase.assertSame(constructor, element);
   }
 
+  void test_getElement_enum() {
+    Source source = _addSource('/test.dart', 'enum MyEnum {A, B, C}');
+    _analyzeAll_assertFinished();
+    LibraryElement library = _context.computeLibraryElement(source);
+    ClassElement myEnum = library.definingCompilationUnit.getEnum('MyEnum');
+    ElementLocation location = myEnum.location;
+    Element element = _context.getElement(location);
+    JUnitTestCase.assertSame(myEnum, element);
+  }
+
   void test_getErrors_dart_none() {
     Source source = _addSource("/lib.dart", "library lib;");
     List<AnalysisError> errors = _context.getErrors(source).errors;
     EngineTestCase.assertLength(0, errors);
     _context.computeErrors(source);
     errors = _context.getErrors(source).errors;
     EngineTestCase.assertLength(0, errors);
   }
 
   void test_getErrors_dart_some() {
@@ skipping 6518 matching lines @@
   }
 }
 
 
 class _UniversalCachePartitionTest_test_setMaxCacheSize implements
     CacheRetentionPolicy {
   @override
   RetentionPriority getAstPriority(Source source, SourceEntry sourceEntry) =>
       RetentionPriority.LOW;
 }