plumb through enableAsync

pkg/analyzer/test/src/mock_sdk.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 analyzer.test.src.mock_sdk;
 
 import 'package:analyzer/file_system/file_system.dart' as resource;
 import 'package:analyzer/file_system/memory_file_system.dart' as resource;
 import 'package:analyzer/src/context/context.dart';
 import 'package:analyzer/src/generated/engine.dart';
@@ skipping 166 matching lines @@
 
   static const List<SdkLibrary> LIBRARIES = const [
     LIB_CORE,
     LIB_ASYNC,
     LIB_COLLECTION,
     LIB_CONVERT,
     LIB_MATH,
     LIB_HTML,
   ];
 
+  static const List<SdkLibrary> LIBRARIES_NO_ASYNC = const [
+    LIB_CORE,
+  ];
+
   final resource.MemoryResourceProvider provider =
       new resource.MemoryResourceProvider();
 
   /**
    * The [AnalysisContext] which is used for all of the sources.
    */
   InternalAnalysisContext _analysisContext;
 
-  MockSdk() {
-    LIBRARIES.forEach((_MockSdkLibrary library) {
+  MockSdk({bool dartAsync: true}) {
+    List<SdkLibrary> libraries = dartAsync ? LIBRARIES : LIBRARIES_NO_ASYNC;
+    libraries.forEach((_MockSdkLibrary library) {
       provider.newFile(library.path, library.content);
     });
   }
 
   @override
   AnalysisContext get context {
     if (_analysisContext == null) {
       _analysisContext = new SdkAnalysisContext();
       SourceFactory factory = new SourceFactory([new DartUriResolver(this)]);
       _analysisContext.sourceFactory = factory;
@@ skipping 112 matching lines @@
   bool get isInternal => throw unimplemented;
 
   @override
   bool get isShared => throw unimplemented;
 
   @override
   bool get isVmLibrary => throw unimplemented;
 
   UnimplementedError get unimplemented => new UnimplementedError();
 }