add enum suggestions

pkg/analysis_server/test/services/completion/prefixed_element_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.completion.invocation;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/protocol.dart';
 import 'package:analysis_server/src/services/completion/dart_completion_manager.dart';
@@ skipping 42 matching lines @@
           .toList();
       if (shouldBeShadowed) {
         expect(suggestionsForX, hasLength(1));
         expect(suggestionsForX[0].declaringType, 'Derived');
       } else {
         expect(suggestionsForX, hasLength(2));
       }
     });
   }
 
+  fail_enumConst_deprecated() {
+    addTestSource('@deprecated enum E { one, two } main() {E.^}');
+    return computeFull((bool result) {
+      assertNotSuggested('E');
+      // TODO(danrubel) Investigate why enum suggestion is not marked
+      // as deprecated if enum ast element is deprecated
+      assertSuggestEnumConst('one', isDeprecated: true);
+      assertSuggestEnumConst('two', isDeprecated: true);
+      assertNotSuggested('index');
+      assertSuggestField('values', 'List<E>', isDeprecated: true);
+    });
+  }
+
   fail_test_PrefixedIdentifier_trailingStmt_const_untyped() {
     // SimpleIdentifier  PrefixedIdentifier  ExpressionStatement
     addTestSource('const g = "hello"; f() {g.^ int y = 0;}');
     computeFast();
     return computeFull((bool result) {
       assertSuggestInvocationGetter('length', 'int');
     });
   }
 
   @override
   void setUpContributor() {
     contributor = new PrefixedElementContributor();
   }
 
+  test_enumConst() {
+    addTestSource('enum E { one, two } main() {E.^}');
+    return computeFull((bool result) {
+      assertNotSuggested('E');
+      assertSuggestEnumConst('one');
+      assertSuggestEnumConst('two');
+      assertNotSuggested('index');
+      assertSuggestField('values', 'List<E>');
+    });
+  }
+
+  test_enumConst2() {
+    addTestSource('enum E { one, two } main() {E.o^}');
+    return computeFull((bool result) {
+      assertNotSuggested('E');
+      assertSuggestEnumConst('one');
+      assertSuggestEnumConst('two');
+      assertNotSuggested('index');
+      assertSuggestField('values', 'List<E>');
+    });
+  }
+
+  test_enumConst3() {
+    addTestSource('enum E { one, two } main() {E.^ int g;}');
+    return computeFull((bool result) {
+      assertNotSuggested('E');
+      assertSuggestEnumConst('one');
+      assertSuggestEnumConst('two');
+      assertNotSuggested('index');
+      assertSuggestField('values', 'List<E>');
+    });
+  }
+
+  test_enumConst_index() {
+    addTestSource('enum E { one, two } main() {E.one.^}');
+    return computeFull((bool result) {
+      assertNotSuggested('E');
+      assertNotSuggested('one');
+      assertNotSuggested('two');
+      assertSuggestField('index', 'int');
+      assertNotSuggested('values');
+    });
+  }
+
+  test_enumConst_index2() {
+    addTestSource('enum E { one, two } main() {E.one.i^}');
+    return computeFull((bool result) {
+      assertNotSuggested('E');
+      assertNotSuggested('one');
+      assertNotSuggested('two');
+      assertSuggestField('index', 'int');
+      assertNotSuggested('values');
+    });
+  }
+
+  test_enumConst_index3() {
+    addTestSource('enum E { one, two } main() {E.one.^ int g;}');
+    return computeFull((bool result) {
+      assertNotSuggested('E');
+      assertNotSuggested('one');
+      assertNotSuggested('two');
+      assertSuggestField('index', 'int');
+      assertNotSuggested('values');
+    });
+  }
+
   test_generic_field() {
     addTestSource('''
 class C<T> {
   T t;
 }
 void f(C<int> c) {
   c.^
 }
 ''');
     return computeFull((bool result) {
@@ skipping 472 matching lines @@
       assertNotSuggested('ms2');
       assertSuggestInvocationMethod('m', 'C2', null,
           relevance: DART_RELEVANCE_HIGH);
       assertNotSuggested('fi3');
       assertNotSuggested('fs3');
       assertNotSuggested('mi3');
       assertNotSuggested('ms3');
     });
   }
 }