Switch on null-aware operators by default in analyzer.

pkg/analyzer/test/generated/static_type_warning_code_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.static_type_warning_code_test;
 
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/error.dart';
 import 'package:analyzer/src/generated/source_io.dart';
 import 'package:unittest/unittest.dart';
@@ skipping 367 matching lines @@
     Source source = addSource('''
 main() {
   String x = (() => 5)();
 }''');
     computeLibrarySourceErrors(source);
     assertErrors(source, [StaticTypeWarningCode.INVALID_ASSIGNMENT]);
     verify([source]);
   }
 
   void test_invalidAssignment_ifNullAssignment() {
-    AnalysisOptionsImpl options = new AnalysisOptionsImpl();
-    options.enableNullAwareOperators = true;
-    resetWithOptions(options);
     Source source = addSource('''
 void f(int i) {
   double d;
   d ??= i;
 }
 ''');
     computeLibrarySourceErrors(source);
     assertErrors(source, [StaticTypeWarningCode.INVALID_ASSIGNMENT]);
     verify([source]);
   }
@@ skipping 989 matching lines @@
     Source source = addSource(r'''
 class A {}
 var a = A.B;''');
     computeLibrarySourceErrors(source);
     assertErrors(source, [StaticTypeWarningCode.UNDEFINED_GETTER]);
   }
 
   void test_undefinedGetter_static_conditionalAccess() {
     // The conditional access operator '?.' cannot be used to access static
     // fields.
-    AnalysisOptionsImpl options = new AnalysisOptionsImpl();
-    options.enableNullAwareOperators = true;
-    resetWithOptions(options);
     Source source = addSource('''
 class A {
   static var x;
 }
 var a = A?.x;
 ''');
     computeLibrarySourceErrors(source);
     assertErrors(source, [StaticTypeWarningCode.UNDEFINED_GETTER]);
   }
 
@@ skipping 151 matching lines @@
 main() {
   new PrefixProxy().foo();
 }''');
     computeLibrarySourceErrors(source);
     assertErrors(source, [StaticTypeWarningCode.UNDEFINED_METHOD]);
   }
 
   void test_undefinedMethod_static_conditionalAccess() {
     // The conditional access operator '?.' cannot be used to access static
     // methods.
-    AnalysisOptionsImpl options = new AnalysisOptionsImpl();
-    options.enableNullAwareOperators = true;
-    resetWithOptions(options);
     Source source = addSource('''
 class A {
   static void m() {}
 }
 f() { A?.m(); }
 ''');
     computeLibrarySourceErrors(source);
     assertErrors(source, [StaticTypeWarningCode.UNDEFINED_METHOD]);
   }
 
@@ skipping 69 matching lines @@
     Source source = addSource(r'''
 class A {}
 f() { A.B = 0;}''');
     computeLibrarySourceErrors(source);
     assertErrors(source, [StaticTypeWarningCode.UNDEFINED_SETTER]);
   }
 
   void test_undefinedSetter_static_conditionalAccess() {
     // The conditional access operator '?.' cannot be used to access static
     // fields.
-    AnalysisOptionsImpl options = new AnalysisOptionsImpl();
-    options.enableNullAwareOperators = true;
-    resetWithOptions(options);
     Source source = addSource('''
 class A {
   static var x;
 }
 f() { A?.x = 1; }
 ''');
     computeLibrarySourceErrors(source);
     assertErrors(source, [StaticTypeWarningCode.UNDEFINED_SETTER]);
   }
 
@@ skipping 317 matching lines @@
 }
 ''');
     computeLibrarySourceErrors(source);
     assertErrors(source, [
       StaticTypeWarningCode.YIELD_OF_INVALID_TYPE,
       StaticTypeWarningCode.ILLEGAL_SYNC_GENERATOR_RETURN_TYPE
     ]);
     verify([source]);
   }
 }