Highlight library identifiers as LIBRARY_NAME.

pkg/analysis_server/test/analysis/notification_highlights_test2.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.highlights2;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/constants.dart';
 import 'package:analysis_server/src/protocol.dart';
@@ skipping 803 matching lines @@
     break myLabel;
   }
 }
 ''');
     return prepareHighlights().then((_) {
       assertHasRegion(HighlightRegionType.LABEL, 'myLabel:');
       assertHasRegion(HighlightRegionType.LABEL, 'myLabel;');
     });
   }
 
+  test_LIBRARY_NAME_libraryDirective() {
+    addTestFile('''
+library my.lib.name;
+''');
+    return prepareHighlights().then((_) {
+      assertHasStringRegion(HighlightRegionType.LIBRARY_NAME, 'my.lib.name');
+    });
+  }
+
+  test_LIBRARY_NAME_partOfDirective() {
+    _addLibraryForTestPart();
+    addTestFile('''
+part of my.lib.name;
+''');
+    return prepareHighlights().then((_) {
+      assertHasStringRegion(HighlightRegionType.LIBRARY_NAME, 'my.lib.name');
+    });
+  }
+
   test_LITERAL_BOOLEAN() {
     addTestFile('var V = true;');
     return prepareHighlights().then((_) {
       assertHasRegion(HighlightRegionType.LITERAL_BOOLEAN, 'true;');
     });
   }
 
   test_LITERAL_DOUBLE() {
     addTestFile('var V = 4.2;');
     return prepareHighlights().then((_) {
@@ skipping 248 matching lines @@
   void test_toString() {
     expect(HighlightRegionType.CLASS.toString(), 'HighlightRegionType.CLASS');
   }
 
   void test_valueOf_unknown() {
     expect(() {
       new HighlightRegionType('no-such-type');
     }, throws);
   }
 }