Index EnumDeclaration definitions as top-level elements.

pkg/analysis_server/test/services/index/dart_index_contributor_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.
 
 library test.services.src.index.dart_index_contributor;
 
 import 'package:analysis_server/src/services/index/index.dart';
 import 'package:analysis_server/src/services/index/index_contributor.dart';
 import 'package:analysis_server/src/services/index/index_store.dart';
 import 'package:analyzer/src/generated/ast.dart';
@@ skipping 280 matching lines @@
   void test_definesClass() {
     _indexTestUnit('class A {}');
     // prepare elements
     ClassElement classElement = findElement("A");
     // verify
     _assertDefinesTopLevelElement(
         IndexConstants.DEFINES,
         _expectedLocation(classElement, 'A {}'));
   }
 
+  void test_definesClassEnum() {
+    _indexTestUnit('enum MyEnum {A, B, c}');
+    // prepare elements
+    ClassElement classElement = findElement("MyEnum");
+    // verify
+    _assertDefinesTopLevelElement(
+        IndexConstants.DEFINES,
+        _expectedLocation(classElement, 'MyEnum {'));
+  }
+
   void test_definesClassAlias() {
     _indexTestUnit('''
 class Mix {}
 class MyClass = Object with Mix;''');
     // prepare elements
     Element classElement = findElement("MyClass");
     // verify
     _assertDefinesTopLevelElement(
         IndexConstants.DEFINES,
         _expectedLocation(classElement, 'MyClass ='));
@@ skipping 1434 matching lines @@
 
   RecordedRelation(this.element, this.relationship, this.location);
 
   @override
   String toString() {
     return 'RecordedRelation(element=$element; relationship=$relationship; '
         'location=$location; flags=' '${location.isQualified ? "Q" : ""}'
         '${location.isResolved ? "R" : ""})';
   }
 }