Add a test of summaries that uses strong mode.

pkg/analyzer/test/src/summary/summarize_elements_test.dart

 // Copyright (c) 2016, 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 analyzer.test.src.summary.summarize_elements_test;
 
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/generated/source_io.dart';
@@ skipping 35 matching lines @@
 
   @override
   List<UnlinkedUnit> unlinkedUnits;
 
   @override
   bool get checkAstDerivedData => false;
 
   @override
   bool get expectAbsoluteUrisInDependencies => true;
 
+  /**
+   * Determine the analysis options that should be used for this test.
+   */
+  AnalysisOptionsImpl get options =>
+      new AnalysisOptionsImpl()..enableGenericMethods = true;
+
   @override
   bool get skipFullyLinkedData => false;
 
   @override
   Source addNamedSource(String filePath, String contents) {
     Source source = super.addNamedSource(filePath, contents);
     _fileContents[source] = contents;
     return source;
   }
 
@@ skipping 38 matching lines @@
     for (int i = 0; i < linked.units.length; i++) {
       expect(unlinkedUnits[i].references.length,
           lessThanOrEqualTo(linked.units[i].references.length));
     }
     verifyPublicNamespace();
   }
 
   @override
   void setUp() {
     super.setUp();
-    AnalysisOptionsImpl options = new AnalysisOptionsImpl();
-    options.enableGenericMethods = true;
     resetWithOptions(options);
   }
 
   test_class_no_superclass() {
     UnlinkedClass cls = serializeClassElement(typeProvider.objectType.element);
     expect(cls.supertype, isNull);
     expect(cls.hasNoSupertype, isTrue);
   }
 
   /**
@@ skipping 12 matching lines @@
       } else {
         UnlinkedPublicNamespace namespace =
             computePublicNamespaceFromText(text, source);
         expect(canonicalize(namespace),
             canonicalize(unlinkedUnits[i].publicNamespace),
             reason: 'publicNamespace(${unitUris[i]})');
       }
     }
   }
 }