Support for searching files by import/export/part URIs and library identifiers.

pkg/analysis_server/test/search/abstract_search_domain.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.search.abstract_search_domain;
 
 import 'dart:async';
 
 import 'package:analysis_server/plugin/protocol/protocol.dart';
 import 'package:analysis_server/src/constants.dart';
@@ skipping 48 matching lines @@
     }
     if (expected) {
       fail(
           'Not found: "search" kind=$kind offset=$offset length=$length\nin\n' +
               results.join('\n'));
     }
   }
 
   String getPathString(List<Element> path) {
     return path.map((Element element) {
-      return '${element.kind.name} ${element.name}';
+      String kindName = element.kind.name;
+      String name = element.name;
+      if (name.isEmpty) {
+        return kindName;
+      } else {
+        return '$kindName $name';
+      }
     }).join('\n');
   }
 
   @override
   void processNotification(Notification notification) {
     if (notification.event == SEARCH_RESULTS) {
       var params = new SearchResultsParams.fromNotification(notification);
       String id = params.id;
       _ResultSet resultSet = resultSets[id];
       if (resultSet == null) {
@@ skipping 22 matching lines @@
   }
 }
 
 class _ResultSet {
   final String id;
   final List<SearchResult> results = <SearchResult>[];
   bool done = false;
 
   _ResultSet(this.id);
 }