Tests for several SummaryDataStore and ResynthesizerResultProvider features.

pkg/analyzer/lib/src/summary/package_bundle_reader.dart

 import 'dart:io' as io;
 
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/src/context/cache.dart';
 import 'package:analyzer/src/context/context.dart';
 import 'package:analyzer/src/dart/element/element.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/java_io.dart';
 import 'package:analyzer/src/generated/resolver.dart';
 import 'package:analyzer/src/generated/source.dart';
@@ skipping 168 matching lines @@
           entry.setValue(result, SourceKind.LIBRARY, TargetedResult.EMPTY_LIST);
           return true;
         }
         if (_dataStore.unlinkedMap.containsKey(uriString)) {
           entry.setValue(result, SourceKind.PART, TargetedResult.EMPTY_LIST);
           return true;
         }
         return false;
       } else if (result == CONTAINING_LIBRARIES) {
         List<String> libraryUriStrings =
-            _dataStore._getContainingLibraryUris(uriString);
+            _dataStore.getContainingLibraryUris(uriString);
         if (libraryUriStrings != null) {
           List<Source> librarySources = libraryUriStrings
               .map((libraryUriString) =>
                   context.sourceFactory.resolveUri(target, libraryUriString))
               .toList(growable: false);
           entry.setValue(result, librarySources, TargetedResult.EMPTY_LIST);
           return true;
         }
         return false;
       }
@@ skipping 101 matching lines @@
       String uri = bundle.unlinkedUnitUris[i];
       uriToSummaryPath[uri] = path;
       unlinkedMap[uri] = bundle.unlinkedUnits[i];
     }
     for (int i = 0; i < bundle.linkedLibraryUris.length; i++) {
       String uri = bundle.linkedLibraryUris[i];
       linkedMap[uri] = bundle.linkedLibraries[i];
     }
   }
 
-  void _fillMaps(String path) {
-    io.File file = new io.File(path);
-    List<int> buffer = file.readAsBytesSync();
-    PackageBundle bundle = new PackageBundle.fromBuffer(buffer);
-    addBundle(path, bundle);
-  }
-
   /**
    * Return a list of absolute URIs of the libraries that contain the unit with
    * the given [unitUriString], or `null` if no such library is in the store.
    */
-  List<String> _getContainingLibraryUris(String unitUriString) {
+  List<String> getContainingLibraryUris(String unitUriString) {
     // The unit is the defining unit of a library.
     if (linkedMap.containsKey(unitUriString)) {
       return <String>[unitUriString];
     }
     // Check every unlinked unit whether it uses [unitUri] as a part.
     List<String> libraryUriStrings = <String>[];
     unlinkedMap.forEach((unlinkedUnitUriString, unlinkedUnit) {
       Uri libraryUri = FastUri.parse(unlinkedUnitUriString);
       for (String partUriString in unlinkedUnit.publicNamespace.parts) {
         Uri partUri = FastUri.parse(partUriString);
         String partAbsoluteUriString =
             resolveRelativeUri(libraryUri, partUri).toString();
         if (partAbsoluteUriString == unitUriString) {
           libraryUriStrings.add(unlinkedUnitUriString);
         }
       }
     });
     return libraryUriStrings.isNotEmpty ? libraryUriStrings : null;
   }
+
+  void _fillMaps(String path) {
+    io.File file = new io.File(path);
+    List<int> buffer = file.readAsBytesSync();
+    PackageBundle bundle = new PackageBundle.fromBuffer(buffer);
+    addBundle(path, bundle);
+  }
 }
 
 /**
  * A concrete resynthesizer that serves summaries from given file paths.
  */
 class _FileBasedSummaryResynthesizer extends SummaryResynthesizer {
   final SummaryDataStore _dataStore;
 
   _FileBasedSummaryResynthesizer(
       SummaryResynthesizer parent,
@@ skipping 27 matching lines @@
  * also provides [summaryPath].
  */
 class _InSummaryFallbackSource extends FileBasedSource
     implements InSummarySource {
   @override
   final String summaryPath;
 
   _InSummaryFallbackSource(JavaFile file, Uri uri, this.summaryPath)
       : super(file, uri);
 }