Compressed/optimized navigation notification.

pkg/analysis_server/test/integration/analysis/package_root_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.integration.analysis.packageRoot;
 
 import 'package:analysis_server/src/protocol.dart';
 import 'package:path/path.dart';
 import 'package:unittest/unittest.dart';
 
@@ skipping 25 matching lines @@
 
 f() {}
 """;
     writeFile(mainPath, mainText);
     String normalizedFooBarPath = writeFile(fooBarPath, fooBarText);
     sendServerSetSubscriptions([ServerService.STATUS]);
     sendAnalysisSetSubscriptions({
       AnalysisService.NAVIGATION: [mainPath]
     });
     List<NavigationRegion> navigationRegions;
+    List<NavigationTarget> navigationTargets;
+    List<String> navigationTargetFiles;
     onAnalysisNavigation.listen((AnalysisNavigationParams params) {
       expect(params.file, equals(mainPath));
       navigationRegions = params.regions;
+      navigationTargets = params.targets;
+      navigationTargetFiles = params.targetFiles;
     });
     sendAnalysisSetAnalysisRoots([projPath], [], packageRoots: {
       projPath: packagesPath
     });
     return analysisFinished.then((_) {
       // Verify that fooBarPath was properly resolved by checking that f()
       // refers to it.
       bool found = false;
       for (NavigationRegion region in navigationRegions) {
         String navigationSource =
             mainText.substring(region.offset, region.offset + region.length);
         if (navigationSource == 'f') {
           found = true;
-          expect(region.targets, hasLength(1));
-          Location location = region.targets[0].location;
-          expect(location.file, equals(normalizedFooBarPath));
+          expect(region.targetIndexes, hasLength(1));
+          int navigationTargetIndex = region.targetIndexes[0];
+          NavigationTarget navigationTarget = navigationTargets[navigationTargetIndex];
+          String navigationFile = navigationTargetFiles[navigationTarget.fileIndex];
+          expect(navigationFile, equals(normalizedFooBarPath));
         }
       }
       expect(found, isTrue);
     });
   }
 }