Compute and check members for serialization

tests/compiler/dart2js/serialization/members_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 dart2js.serialization.class_members_test;
+
+import 'dart:async';
+import 'package:async_helper/async_helper.dart';
+import 'package:compiler/src/common/names.dart';
+import 'package:compiler/src/commandline_options.dart';
+import 'package:compiler/src/compiler.dart';
+import 'package:compiler/src/elements/elements.dart';
+import 'package:compiler/src/filenames.dart';
+import 'package:compiler/src/resolution/class_members.dart';
+import 'package:compiler/src/serialization/equivalence.dart';
+import '../memory_compiler.dart';
+import 'helper.dart';
+import 'test_helper.dart';
+
+
+main(List<String> args) {
+  Arguments arguments = new Arguments.from(args);
+  asyncTest(() async {
+    SerializedData serializedData =
+    await serializeDartCore(arguments: arguments);
+    if (arguments.filename != null) {
+      Uri entryPoint = Uri.base.resolve(nativeToUriPath(arguments.filename));
+      await checkClassMembers(
+          serializedData, entryPoint, verbose: arguments.verbose);
+    } else {
+      await checkClassMembers(
+          serializedData, Uris.dart_core, verbose: arguments.verbose);
+    }
+  });
+}
+
+Future checkClassMembers(
+    SerializedData serializedData,
+    Uri entryPoint,
+    {bool verbose: false}) async {
+
+  Compiler compilerNormal = compilerFor(
+      options: [Flags.analyzeAll]);
+  await compilerNormal.run(entryPoint);
+
+  Compiler compilerDeserialized = compilerFor(
+      memorySourceFiles: serializedData.toMemorySourceFiles(),
+      resolutionInputs: serializedData.toUris(),
+      options: [Flags.analyzeAll]);
+  await compilerDeserialized.run(entryPoint);
+
+  checkAllMembers(compilerNormal, compilerDeserialized, verbose: true);
+}
+
+void checkAllMembers(
+    Compiler compiler1,
+    Compiler compiler2,
+    {bool verbose: false}) {
+  checkLoadedLibraryMembers(
+      compiler1,
+      compiler2,
+      (Element member1) => member1 is ClassElement,
+      checkMembers,
+      verbose: verbose);
+}
+
+
+/// Check equivalence of members of [class1] and [class2].
+void checkMembers(
+    Compiler compiler1, ClassMemberMixin class1,
+    Compiler compiler2, ClassMemberMixin class2,
+    {bool verbose: false}) {
+  if (verbose) {
+    print('Checking $class1 vs $class2');
+  }
+  MembersCreator.computeAllClassMembers(compiler1.resolution, class1);
+  MembersCreator.computeAllClassMembers(compiler2.resolution, class2);
+
+  check(class1, class2, 'interfaceMemberAreClassMembers',
+      class1.interfaceMembersAreClassMembers,
+      class2.interfaceMembersAreClassMembers);
+  class1.forEachClassMember((Member member1) {
+    Name name1 = member1.name;
+    Name name2 = convertName(name1, compiler2);
+    checkMember(class1, class2, 'classMember:$name1',
+        member1, class2.lookupClassMember(name2));
+  });
+
+  class1.forEachInterfaceMember((MemberSignature member1) {
+    Name name1 = member1.name;
+    Name name2 = convertName(name1, compiler2);
+    checkMemberSignature(class1, class2, 'interfaceMember:$name1',
+        member1, class2.lookupInterfaceMember(name2));
+  });
+}
+
+Name convertName(Name name, Compiler compiler) {
+  if (name.isPrivate) {
+    LibraryElement library =
+        compiler.libraryLoader.lookupLibrary(name.library.canonicalUri);
+    if (!areElementsEquivalent(name.library, library)) {
+      throw 'Libraries ${name.library} and ${library} are not equivalent';
+    }
+    name = new Name(name.text, library, isSetter: name.isSetter);
+  }
+  return name;
+}
+
+void checkMember(ClassElement class1, ClassElement class2, String property,
+    Member member1, Member member2) {
+  if (member2 == null) {
+    print('$class1 class members:');
+    class1.forEachClassMember((m) => print(' ${m.name} $m'));
+    print('$class2 class members:');
+    class2.forEachClassMember((m) => print(' ${m.name} $m'));
+    throw "No member ${member1.name} in $class2 for $property";
+  }
+  checkMemberSignature(class1, class2, property, member1, member2);
+  checkElementIdentities(class1, class2, '$property.element',
+      member1.element, member2.element);
+  check(class1, class2, '$property.declarer',
+      member1.declarer, member2.declarer, areTypesEquivalent);
+  check(class1, class2, '$property.isStatic',
+      member1.isStatic, member2.isStatic);
+  check(class1, class2, '$property.isDeclaredByField',
+      member1.isDeclaredByField, member2.isDeclaredByField);
+  check(class1, class2, '$property.isAbstract',
+      member1.isAbstract, member2.isAbstract);
+  if (member1.isAbstract && member1.implementation != null) {
+    checkMember(class1, class2, '$property.implementation',
+        member1.implementation, member2.implementation);
+  }
+}
+
+void checkMemberSignature(ClassElement class1, ClassElement class2,
+    String property,
+    MemberSignature member1, MemberSignature member2) {
+  if (member2 == null) {
+    print('$class1 interface members:');
+    class1.forEachInterfaceMember((m) => print(' ${m.name} $m'));
+    print('$class2 interface members:');
+    class2.forEachInterfaceMember((m) => print(' ${m.name} $m'));
+    throw "No member ${member1.name} in $class2 for $property";
+  }
+  check(class1, class2, '$property.name',
+      member1.name, member2.name, areNamesEquivalent);
+  check(class1, class2, '$property.type',
+      member1.type, member2.type, areTypesEquivalent);
+  check(class1, class2, '$property.functionType',
+      member1.functionType, member2.functionType, areTypesEquivalent);
+  check(class1, class2, '$property.isGetter',
+      member1.isGetter, member2.isGetter);
+  check(class1, class2, '$property.isSetter',
+      member1.isSetter, member2.isSetter);
+  check(class1, class2, '$property.isMethod',
+      member1.isMethod, member2.isMethod);
+}