Verify resynthesized elements by comparing text presentations.

pkg/analyzer/test/src/summary/resynthesize_ast_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.resynthesize_ast_test;
 
 import 'dart:async';
 
+import 'element_text.dart';
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/error/error.dart';
 import 'package:analyzer/src/dart/element/element.dart';
 import 'package:analyzer/src/generated/engine.dart'
     show AnalysisContext, AnalysisOptionsImpl;
 import 'package:analyzer/src/generated/sdk.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/summary/format.dart';
 import 'package:analyzer/src/summary/idl.dart';
 import 'package:analyzer/src/summary/link.dart';
 import 'package:analyzer/src/summary/prelink.dart';
 import 'package:analyzer/src/summary/resynthesize.dart';
 import 'package:analyzer/src/summary/summarize_ast.dart';
 import 'package:analyzer/src/summary/summarize_elements.dart'
     show PackageBundleAssembler;
 import 'package:analyzer/task/dart.dart' show PARSED_UNIT;
 import 'package:analyzer/task/general.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import '../context/abstract_context.dart';
 import '../task/strong/inferred_type_test.dart';
 import 'resynthesize_common.dart';
 import 'summary_common.dart';
 
+@reflectiveTest
+class ApplyReplacements {
+  test_applyReplacements() {
+    applyReplacements();
+  }
+}
+
 main() {
   defineReflectiveSuite(() {
     defineReflectiveTests(ResynthesizeAstSpecTest);
     defineReflectiveTests(ResynthesizeAstStrongTest);
-    defineReflectiveTests(AstInferredTypeTest);
+//    defineReflectiveTests(AstInferredTypeTest);
+    defineReflectiveTests(ApplyReplacements);

[Brian Wilkerson, 2017/03/03 16:09:33]

I assume you'll reverse the commenting before committing.

   });
 }
 
 @reflectiveTest
 class AstInferredTypeTest extends AbstractResynthesizeTest
     with _AstResynthesizeTestMixin, InferredTypeMixin {
   @override
+  bool get isStrongMode => true;
+
+  @override
   bool get mayCheckTypesOfLocals => false;
 
   @override
   void addFile(String content, {String name: '/main.dart'}) {
     addLibrarySource(name, content);
   }
 
   @override
   Future<CompilationUnitElement> checkFileElement(String content) async {
     Source source = addSource('/main.dart', content);
@@ skipping 622 matching lines @@
         resynthesizer.getLibraryElement(source.uri.toString());
     LibraryElementImpl original = context.computeLibraryElement(source);
     checkLibraryElements(original, resynthesized);
     return resynthesized;
   }
 }
 
 @reflectiveTest
 class ResynthesizeAstSpecTest extends _ResynthesizeAstTest {
   @override
-  AnalysisOptionsImpl createOptions() =>
-      super.createOptions()..strongMode = false;
+  bool get isStrongMode => false;
 }
 
 @reflectiveTest
 class ResynthesizeAstStrongTest extends _ResynthesizeAstTest {
   @override
+  bool get isStrongMode => true;
+
+  @override
   AnalysisOptionsImpl createOptions() =>
       super.createOptions()..strongMode = true;
 
   @override
   test_instantiateToBounds_boundRefersToItself() async {
     await super.test_instantiateToBounds_boundRefersToItself();
   }
 
   @override
   @failingTest
@@ skipping 167 matching lines @@
 abstract class _AstResynthesizeTestMixinInterface {
   /**
    * A test should return `true` to indicate that a missing file at the time of
    * summary resynthesis shouldn't trigger an error.
    */
   bool get allowMissingFiles;
 }
 
 abstract class _ResynthesizeAstTest extends ResynthesizeTest
     with _AstResynthesizeTestMixin {
+  bool get isStrongMode;
+
   @override
   LibraryElementImpl checkLibrary(String text,
       {bool allowErrors: false, bool dumpSummaries: false}) {
     Source source = addTestSource(text);
     LibraryElementImpl resynthesized = _encodeDecodeLibraryElement(source);
     LibraryElementImpl original = context.computeLibraryElement(source);
     if (!allowErrors) {
       List<AnalysisError> errors = context.computeErrors(source);
       if (errors.where((e) => e.message.startsWith('unused')).isNotEmpty) {
         fail('Analysis errors: $errors');
       }
     }
     checkLibraryElements(original, resynthesized);
     return resynthesized;
   }
 
   @override
   void compareLocalElementsOfExecutable(ExecutableElement resynthesized,
       ExecutableElement original, String desc) {
     // We don't resynthesize local elements during link.
     // So, we should not compare them.
   }
 
   @override
   DartSdk createDartSdk() => AbstractContextTest.SHARED_MOCK_SDK;
 
   @override
+  AnalysisOptionsImpl createOptions() =>
+      super.createOptions()..strongMode = isStrongMode;
+
+  @override
   TestSummaryResynthesizer encodeDecodeLibrarySource(Source source) {
     return _encodeLibrary(source);
   }
 }