Switch on null-aware operators by default in analyzer.

pkg/analyzer/test/generated/resolver_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 engine.resolver_test;
 
 import 'dart:collection';
 
 import 'package:analyzer/src/context/context.dart' as newContext;
 import 'package:analyzer/src/generated/ast.dart';
@@ skipping 381 matching lines @@
   void set analysisOptions(AnalysisOptions options) {
     AnalysisOptions currentOptions = analysisOptions;
     bool needsRecompute = currentOptions.analyzeFunctionBodiesPredicate !=
             options.analyzeFunctionBodiesPredicate ||
         currentOptions.generateImplicitErrors !=
             options.generateImplicitErrors ||
         currentOptions.generateSdkErrors != options.generateSdkErrors ||
         currentOptions.dart2jsHint != options.dart2jsHint ||
         (currentOptions.hint && !options.hint) ||
         currentOptions.preserveComments != options.preserveComments ||
-        currentOptions.enableNullAwareOperators !=
-            options.enableNullAwareOperators ||
         currentOptions.enableStrictCallChecks != options.enableStrictCallChecks;
     if (needsRecompute) {
       fail(
           "Cannot set options that cause the sources to be reanalyzed in a test context");
     }
     super.analysisOptions = options;
   }
 
   @override
   bool exists(Source source) =>
@@ skipping 5993 matching lines @@
   void set analysisOptions(AnalysisOptions options) {
     AnalysisOptions currentOptions = analysisOptions;
     bool needsRecompute = currentOptions.analyzeFunctionBodiesPredicate !=
             options.analyzeFunctionBodiesPredicate ||
         currentOptions.generateImplicitErrors !=
             options.generateImplicitErrors ||
         currentOptions.generateSdkErrors != options.generateSdkErrors ||
         currentOptions.dart2jsHint != options.dart2jsHint ||
         (currentOptions.hint && !options.hint) ||
         currentOptions.preserveComments != options.preserveComments ||
-        currentOptions.enableNullAwareOperators !=
-            options.enableNullAwareOperators ||
         currentOptions.enableStrictCallChecks != options.enableStrictCallChecks;
     if (needsRecompute) {
       fail(
           "Cannot set options that cause the sources to be reanalyzed in a test context");
     }
     super.analysisOptions = options;
   }
 
   @override
   bool exists(Source source) =>
@@ skipping 7614 matching lines @@
         // check propagated type
         FunctionType propagatedType = node.propagatedType as FunctionType;
         expect(propagatedType.returnType, test.typeProvider.stringType);
       } on AnalysisException catch (e, stackTrace) {
         thrownException[0] = new CaughtException(e, stackTrace);
       }
     }
     return null;
   }
 }