Support for enums semantic highlighting.

pkg/analysis_server/test/analysis/notification_highlights_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.analysis.notification.highlights;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/constants.dart';
 import 'package:analysis_server/src/protocol.dart';
@@ skipping 510 matching lines @@
 }
 ''');
     return prepareHighlights().then((_) {
       assertHasRegion(HighlightRegionType.DYNAMIC_TYPE, 'p)');
       assertHasRegion(HighlightRegionType.DYNAMIC_TYPE, 'v1 =');
       assertNoRegion(HighlightRegionType.DYNAMIC_TYPE, 'v2;');
       assertNoRegion(HighlightRegionType.DYNAMIC_TYPE, 'v3 =');
     });
   }
 
+  test_ENUM() {
+    addTestFile('''
+enum MyEnum {A, B, C}
+MyEnum value;
+''');
+    return prepareHighlights().then((_) {
+      assertHasRegion(HighlightRegionType.ENUM, 'MyEnum {');
+      assertHasRegion(HighlightRegionType.ENUM, 'MyEnum value;');
+    });
+  }
+
+  test_ENUM_CONSTANT() {
+    addTestFile('''
+enum MyEnum {AAA, BBB}
+main() {
+  print(MyEnum.AAA);
+  print(MyEnum.BBB);
+}
+''');
+    return prepareHighlights().then((_) {
+      assertHasRegion(HighlightRegionType.ENUM_CONSTANT, 'AAA, ');
+      assertHasRegion(HighlightRegionType.ENUM_CONSTANT, 'BBB}');
+      assertHasRegion(HighlightRegionType.ENUM_CONSTANT, 'AAA);');
+      assertHasRegion(HighlightRegionType.ENUM_CONSTANT, 'BBB);');
+    });
+  }
+
   test_FIELD() {
     addTestFile('''
 class A {
   int aaa = 1;
   int bbb = 2;
   A([this.bbb = 3]);
 }
 main(A a) {
   a.aaa = 4;
   a.bbb = 5;
@@ skipping 393 matching lines @@
   void test_toString() {
     expect(HighlightRegionType.CLASS.toString(), 'HighlightRegionType.CLASS');
   }
 
   void test_valueOf_unknown() {
     expect(() {
       new HighlightRegionType('no-such-type');
     }, throws);
   }
 }