Capture annotations on enums (issue 23071)

pkg/analyzer/test/generated/resolver_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 engine.resolver_test;
 
 import 'dart:collection';
 
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
@@ skipping 1368 matching lines @@
     expect(continueStatement.target, same(whileStatement));
     _listener.assertNoErrors();
   }
 
   void test_visitContinueStatement_withoutLabel() {
     ContinueStatement statement = AstFactory.continueStatement();
     _resolveStatement(statement, null, null);
     _listener.assertNoErrors();
   }
 
+  void test_visitEnumDeclaration() {
+    ClassElementImpl enumElement =
+        ElementFactory.enumElement(_typeProvider, ('E'));
+    EnumDeclaration enumNode = AstFactory.enumDeclaration2('E', []);
+    Annotation annotationNode =
+        AstFactory.annotation(AstFactory.identifier3('a'));
+    annotationNode.element = ElementFactory.classElement2('A');
+    enumNode.metadata.add(annotationNode);
+    enumNode.name.staticElement = enumElement;
+    _resolveNode(enumNode);
+    List<ElementAnnotation> metadata = enumElement.metadata;
+    expect(metadata, hasLength(1));
+  }
+
   void test_visitExportDirective_noCombinators() {
     ExportDirective directive = AstFactory.exportDirective2(null);
     directive.element = ElementFactory
         .exportFor(ElementFactory.library(_definingLibrary.context, "lib"));
     _resolveNode(directive);
     _listener.assertNoErrors();
   }
 
   void test_visitFieldFormalParameter() {
     String fieldName = "f";
@@ skipping 12319 matching lines @@
         // check propagated type
         FunctionType propagatedType = node.propagatedType as FunctionType;
         expect(propagatedType.returnType, test.typeProvider.stringType);
       } on AnalysisException catch (e, stackTrace) {
         thrownException[0] = new CaughtException(e, stackTrace);
       }
     }
     return null;
   }
 }