// Copyright 2011 Google Inc. All Rights Reserved. #include "class_linker.h" #include #include "UniquePtr.h" #include "common_test.h" #include "dex_cache.h" #include "dex_file.h" #include "heap.h" namespace art { class ClassLinkerTest : public CommonTest { protected: void AssertNonExistentClass(const StringPiece& descriptor) { EXPECT_TRUE(class_linker_->FindSystemClass(descriptor) == NULL); Thread* self = Thread::Current(); EXPECT_TRUE(self->IsExceptionPending()); Object* exception = self->GetException(); self->ClearException(); Class* exception_class = class_linker_->FindSystemClass("Ljava/lang/NoClassDefFoundError;"); EXPECT_TRUE(exception->InstanceOf(exception_class)); } void AssertPrimitiveClass(const StringPiece& descriptor) { AssertPrimitiveClass(descriptor, class_linker_->FindSystemClass(descriptor)); } void AssertPrimitiveClass(const StringPiece& descriptor, const Class* primitive) { ASSERT_TRUE(primitive != NULL); ASSERT_TRUE(primitive->GetClass() != NULL); ASSERT_EQ(primitive->GetClass(), primitive->GetClass()->GetClass()); EXPECT_TRUE(primitive->GetClass()->GetSuperClass() != NULL); ASSERT_TRUE(primitive->GetDescriptor()->Equals(descriptor)); EXPECT_TRUE(primitive->GetSuperClass() == NULL); EXPECT_FALSE(primitive->HasSuperClass()); EXPECT_TRUE(primitive->GetClassLoader() == NULL); EXPECT_EQ(Class::kStatusInitialized, primitive->GetStatus()); EXPECT_FALSE(primitive->IsErroneous()); EXPECT_TRUE(primitive->IsLoaded()); EXPECT_TRUE(primitive->IsResolved()); EXPECT_TRUE(primitive->IsVerified()); EXPECT_TRUE(primitive->IsInitialized()); EXPECT_FALSE(primitive->IsArrayInstance()); EXPECT_FALSE(primitive->IsArrayClass()); EXPECT_TRUE(primitive->GetComponentType() == NULL); EXPECT_FALSE(primitive->IsInterface()); EXPECT_TRUE(primitive->IsPublic()); EXPECT_TRUE(primitive->IsFinal()); EXPECT_TRUE(primitive->IsPrimitive()); EXPECT_FALSE(primitive->IsSynthetic()); EXPECT_EQ(0U, primitive->NumDirectMethods()); EXPECT_EQ(0U, primitive->NumVirtualMethods()); EXPECT_EQ(0U, primitive->NumInstanceFields()); EXPECT_EQ(0U, primitive->NumStaticFields()); EXPECT_EQ(0U, primitive->NumInterfaces()); EXPECT_TRUE(primitive->GetVTable() == NULL); EXPECT_EQ(0, primitive->GetIfTableCount()); EXPECT_TRUE(primitive->GetIfTable() == NULL); } void AssertArrayClass(const StringPiece& array_descriptor, const StringPiece& component_type, const ClassLoader* class_loader) { Class* array = class_linker_->FindClass(array_descriptor, class_loader); EXPECT_TRUE(array->GetComponentType()->GetDescriptor()->Equals(component_type)); EXPECT_EQ(class_loader, array->GetClassLoader()); AssertArrayClass(array_descriptor, array); } void AssertArrayClass(const StringPiece& array_descriptor, Class* array) { ASSERT_TRUE(array != NULL); ASSERT_TRUE(array->GetClass() != NULL); ASSERT_EQ(array->GetClass(), array->GetClass()->GetClass()); EXPECT_TRUE(array->GetClass()->GetSuperClass() != NULL); ASSERT_TRUE(array->GetDescriptor()->Equals(array_descriptor)); EXPECT_TRUE(array->GetSuperClass() != NULL); EXPECT_EQ(class_linker_->FindSystemClass("Ljava/lang/Object;"), array->GetSuperClass()); EXPECT_TRUE(array->HasSuperClass()); ASSERT_TRUE(array->GetComponentType() != NULL); ASSERT_TRUE(array->GetComponentType()->GetDescriptor() != NULL); EXPECT_EQ(Class::kStatusInitialized, array->GetStatus()); EXPECT_FALSE(array->IsErroneous()); EXPECT_TRUE(array->IsLoaded()); EXPECT_TRUE(array->IsResolved()); EXPECT_TRUE(array->IsVerified()); EXPECT_TRUE(array->IsInitialized()); EXPECT_FALSE(array->IsArrayInstance()); EXPECT_TRUE(array->IsArrayClass()); EXPECT_FALSE(array->IsInterface()); EXPECT_EQ(array->GetComponentType()->IsPublic(), array->IsPublic()); EXPECT_TRUE(array->IsFinal()); EXPECT_FALSE(array->IsPrimitive()); EXPECT_FALSE(array->IsSynthetic()); EXPECT_EQ(0U, array->NumDirectMethods()); EXPECT_EQ(0U, array->NumVirtualMethods()); EXPECT_EQ(0U, array->NumInstanceFields()); EXPECT_EQ(0U, array->NumStaticFields()); EXPECT_EQ(2U, array->NumInterfaces()); EXPECT_TRUE(array->GetVTable() != NULL); EXPECT_EQ(2, array->GetIfTableCount()); ObjectArray* iftable = array->GetIfTable(); ASSERT_TRUE(iftable != NULL); EXPECT_TRUE(iftable->Get(0)->GetInterface()->GetDescriptor()->Equals("Ljava/lang/Cloneable;")); EXPECT_TRUE(iftable->Get(1)->GetInterface()->GetDescriptor()->Equals("Ljava/io/Serializable;")); } void AssertMethod(Class* klass, Method* method) { EXPECT_TRUE(method != NULL); EXPECT_TRUE(method->GetClass() != NULL); EXPECT_TRUE(method->GetName() != NULL); EXPECT_TRUE(method->GetSignature() != NULL); EXPECT_TRUE(method->GetDexCacheStrings() != NULL); EXPECT_TRUE(method->GetDexCacheResolvedTypes() != NULL); EXPECT_TRUE(method->GetDexCacheResolvedMethods() != NULL); EXPECT_TRUE(method->GetDexCacheResolvedFields() != NULL); EXPECT_TRUE(method->GetDexCacheCodeAndDirectMethods() != NULL); EXPECT_TRUE(method->GetDexCacheInitializedStaticStorage() != NULL); EXPECT_EQ(method->GetDeclaringClass()->GetDexCache()->GetStrings(), method->GetDexCacheStrings()); EXPECT_EQ(method->GetDeclaringClass()->GetDexCache()->GetResolvedTypes(), method->GetDexCacheResolvedTypes()); EXPECT_EQ(method->GetDeclaringClass()->GetDexCache()->GetResolvedMethods(), method->GetDexCacheResolvedMethods()); EXPECT_EQ(method->GetDeclaringClass()->GetDexCache()->GetResolvedFields(), method->GetDexCacheResolvedFields()); EXPECT_EQ(method->GetDeclaringClass()->GetDexCache()->GetCodeAndDirectMethods(), method->GetDexCacheCodeAndDirectMethods()); EXPECT_EQ(method->GetDeclaringClass()->GetDexCache()->GetInitializedStaticStorage(), method->GetDexCacheInitializedStaticStorage()); } void AssertField(Class* klass, Field* field) { EXPECT_TRUE(field != NULL); EXPECT_TRUE(field->GetClass() != NULL); EXPECT_EQ(klass, field->GetDeclaringClass()); EXPECT_TRUE(field->GetName() != NULL); EXPECT_TRUE(field->GetType() != NULL); } void AssertClass(const StringPiece& descriptor, Class* klass) { EXPECT_TRUE(klass->GetDescriptor()->Equals(descriptor)); if (klass->GetDescriptor()->Equals(String::AllocFromModifiedUtf8("Ljava/lang/Object;"))) { EXPECT_FALSE(klass->HasSuperClass()); } else { EXPECT_TRUE(klass->HasSuperClass()); EXPECT_TRUE(klass->GetSuperClass() != NULL); } EXPECT_TRUE(klass->GetClass() != NULL); EXPECT_EQ(klass->GetClass(), klass->GetClass()->GetClass()); EXPECT_TRUE(klass->GetDexCache() != NULL); EXPECT_TRUE(klass->IsLoaded()); EXPECT_TRUE(klass->IsResolved()); EXPECT_FALSE(klass->IsErroneous()); EXPECT_FALSE(klass->IsArrayClass()); EXPECT_TRUE(klass->GetComponentType() == NULL); EXPECT_TRUE(klass->IsInSamePackage(klass)); EXPECT_TRUE(Class::IsInSamePackage(klass->GetDescriptor(), klass->GetDescriptor())); if (klass->IsInterface()) { EXPECT_TRUE(klass->IsAbstract()); if (klass->NumDirectMethods() == 1) { EXPECT_TRUE(klass->GetDirectMethod(0)->GetName()->Equals("")); EXPECT_TRUE(klass->GetDirectMethod(0)->IsDirect()); } else { EXPECT_EQ(0U, klass->NumDirectMethods()); } } else { if (!klass->IsSynthetic()) { EXPECT_NE(0U, klass->NumDirectMethods()); } } EXPECT_EQ(klass->IsInterface(), klass->GetVTable() == NULL); for (int i = 0; i < klass->GetIfTableCount(); i++) { const InterfaceEntry* interface_entry = klass->GetIfTable()->Get(i); ASSERT_TRUE(interface_entry != NULL); Class* interface = interface_entry->GetInterface(); ASSERT_TRUE(interface != NULL); EXPECT_TRUE(interface_entry->GetInterface() != NULL); if (klass->IsInterface()) { EXPECT_EQ(0U, interface_entry->GetMethodArrayCount()); } else { CHECK_EQ(interface->NumVirtualMethods(), interface_entry->GetMethodArrayCount()); EXPECT_EQ(interface->NumVirtualMethods(), interface_entry->GetMethodArrayCount()); } } if (klass->IsAbstract()) { EXPECT_FALSE(klass->IsFinal()); } else { EXPECT_FALSE(klass->IsAnnotation()); } if (klass->IsFinal()) { EXPECT_FALSE(klass->IsAbstract()); EXPECT_FALSE(klass->IsAnnotation()); } if (klass->IsAnnotation()) { EXPECT_FALSE(klass->IsFinal()); EXPECT_TRUE(klass->IsAbstract()); } EXPECT_FALSE(klass->IsPrimitive()); EXPECT_TRUE(klass->CanAccess(klass)); for (size_t i = 0; i < klass->NumDirectMethods(); i++) { Method* method = klass->GetDirectMethod(i); AssertMethod(klass, method); EXPECT_TRUE(method->IsDirect()); EXPECT_EQ(klass, method->GetDeclaringClass()); } for (size_t i = 0; i < klass->NumVirtualMethods(); i++) { Method* method = klass->GetVirtualMethod(i); AssertMethod(klass, method); EXPECT_FALSE(method->IsDirect()); EXPECT_TRUE(method->GetDeclaringClass()->IsAssignableFrom(klass)); } for (size_t i = 0; i < klass->NumInstanceFields(); i++) { Field* field = klass->GetInstanceField(i); AssertField(klass, field); EXPECT_FALSE(field->IsStatic()); } for (size_t i = 0; i < klass->NumStaticFields(); i++) { Field* field = klass->GetStaticField(i); AssertField(klass, field); EXPECT_TRUE(field->IsStatic()); } // Confirm that all instances fields are packed together at the start EXPECT_GE(klass->NumInstanceFields(), klass->NumReferenceInstanceFields()); for (size_t i = 0; i < klass->NumReferenceInstanceFields(); i++) { Field* field = klass->GetInstanceField(i); Class* field_type = field->GetType(); ASSERT_TRUE(field_type != NULL); ASSERT_TRUE(!field_type->IsPrimitive()); } for (size_t i = klass->NumReferenceInstanceFields(); i < klass->NumInstanceFields(); i++) { Field* field = klass->GetInstanceField(i); Class* field_type = field->GetType(); ASSERT_TRUE(field_type != NULL); EXPECT_TRUE(field_type->IsPrimitive()); } size_t total_num_reference_instance_fields = 0; Class* k = klass; while (k != NULL) { total_num_reference_instance_fields += k->NumReferenceInstanceFields(); k = k->GetSuperClass(); } EXPECT_EQ(klass->GetReferenceInstanceOffsets() == 0, total_num_reference_instance_fields == 0); } void AssertDexFileClass(ClassLoader* class_loader, const StringPiece& descriptor) { ASSERT_TRUE(descriptor != NULL); Class* klass = class_linker_->FindSystemClass(descriptor); ASSERT_TRUE(klass != NULL); EXPECT_TRUE(klass->GetDescriptor()->Equals(descriptor)); EXPECT_EQ(class_loader, klass->GetClassLoader()); if (klass->IsPrimitive()) { AssertPrimitiveClass(descriptor, klass); } else if (klass->IsArrayClass()) { AssertArrayClass(descriptor, klass); } else { AssertClass(descriptor, klass); } } void AssertDexFile(const DexFile* dex, ClassLoader* class_loader) { ASSERT_TRUE(dex != NULL); // Verify all the classes defined in this file for (size_t i = 0; i < dex->NumClassDefs(); i++) { const DexFile::ClassDef& class_def = dex->GetClassDef(i); const char* descriptor = dex->GetClassDescriptor(class_def); AssertDexFileClass(class_loader, descriptor); } // Verify all the types referenced by this file for (size_t i = 0; i < dex->NumTypeIds(); i++) { const DexFile::TypeId& type_id = dex->GetTypeId(i); const char* descriptor = dex->GetTypeDescriptor(type_id); AssertDexFileClass(class_loader, descriptor); } class_linker_->VisitRoots(TestRootVisitor, NULL); } static void TestRootVisitor(const Object* root, void* arg) { EXPECT_TRUE(root != NULL); } }; struct CheckOffset { size_t cpp_offset; const char* java_name; CheckOffset(size_t c, const char* j) : cpp_offset(c), java_name(j) {} }; template struct CheckOffsets { bool instance; std::string class_descriptor; std::vector offsets; bool Check() { Class* klass = Runtime::Current()->GetClassLinker()->FindSystemClass(class_descriptor); CHECK(klass != NULL) << class_descriptor; bool error = false; if (!klass->IsClassClass() && instance) { size_t expected_size = instance ? klass->GetObjectSize() : klass->GetClassSize(); if (sizeof(T) != expected_size) { LG << "Class size mismatch:" << " class=" << class_descriptor << " Java=" << expected_size << " C++=" << sizeof(T); error = true; } } size_t num_fields = instance ? klass->NumInstanceFields() : klass->NumStaticFields(); if (offsets.size() != num_fields) { LG << "Field count mismatch:" << " class=" << class_descriptor << " Java=" << num_fields << " C++=" << offsets.size(); error = true; } for (size_t i = 0; i < offsets.size(); i++) { Field* field = instance ? klass->GetInstanceField(i) : klass->GetStaticField(i); if (!field->GetName()->Equals(offsets[i].java_name)) { error = true; } } if (error) { for (size_t i = 0; i < offsets.size(); i++) { CheckOffset& offset = offsets[i]; Field* field = instance ? klass->GetInstanceField(i) : klass->GetStaticField(i); if (!field->GetName()->Equals(offsets[i].java_name)) { LG << "JAVA FIELD ORDER MISMATCH NEXT LINE:"; } LG << "Java field order:" << " i=" << i << " class=" << class_descriptor << " Java=" << field->GetName()->ToModifiedUtf8() << " CheckOffsets=" << offset.java_name; } } for (size_t i = 0; i < offsets.size(); i++) { CheckOffset& offset = offsets[i]; Field* field = instance ? klass->GetInstanceField(i) : klass->GetStaticField(i); if (field->GetOffset().Uint32Value() != offset.cpp_offset) { error = true; } } if (error) { for (size_t i = 0; i < offsets.size(); i++) { CheckOffset& offset = offsets[i]; Field* field = instance ? klass->GetInstanceField(i) : klass->GetStaticField(i); if (field->GetOffset().Uint32Value() != offset.cpp_offset) { LG << "OFFSET MISMATCH NEXT LINE:"; } LG << "Offset: class=" << class_descriptor << " field=" << offset.java_name << " Java=" << field->GetOffset().Uint32Value() << " C++=" << offset.cpp_offset; } } return !error; }; }; // Note that ClassLinkerTest.ValidateFieldOrderOfJavaCppUnionClasses // is first since if it is failing, others are unlikely to succeed. struct ObjectOffsets : public CheckOffsets { ObjectOffsets() { instance = true; class_descriptor = "Ljava/lang/Object;"; // alphabetical references offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Object, klass_), "shadow$_klass_")); // alphabetical 32-bit offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Object, monitor_), "shadow$_monitor_")); }; }; struct AccessibleObjectOffsets : public CheckOffsets { AccessibleObjectOffsets() { instance = true; class_descriptor = "Ljava/lang/reflect/AccessibleObject;"; offsets.push_back(CheckOffset(OFFSETOF_MEMBER(AccessibleObject, java_flag_), "flag")); }; }; struct FieldOffsets : public CheckOffsets { FieldOffsets() { instance = true; class_descriptor = "Ljava/lang/reflect/Field;"; // alphabetical references offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Field, declaring_class_), "declaringClass")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Field, generic_type_), "genericType")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Field, name_), "name")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Field, type_), "type")); // alphabetical 32-bit offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Field, generic_types_are_initialized_), "genericTypesAreInitialized")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Field, access_flags_), "shadow$_access_flags_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Field, offset_), "shadow$_offset_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Field, type_idx_), "shadow$_type_idx_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Field, slot_), "slot")); }; }; struct MethodOffsets : public CheckOffsets { MethodOffsets() { instance = true; class_descriptor = "Ljava/lang/reflect/Method;"; // alphabetical references offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, declaring_class_), "declaringClass")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, java_exception_types_), "exceptionTypes")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, java_formal_type_parameters_), "formalTypeParameters")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, java_generic_exception_types_), "genericExceptionTypes")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, java_generic_parameter_types_), "genericParameterTypes")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, java_generic_return_type_), "genericReturnType")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, name_), "name")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, java_parameter_types_), "parameterTypes")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, java_return_type_), "returnType")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, code_array_), "shadow$_code_array_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, dex_cache_code_and_direct_methods_), "shadow$_dex_cache_code_and_direct_methods_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, dex_cache_initialized_static_storage_), "shadow$_dex_cache_initialized_static_storage_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, dex_cache_resolved_fields_), "shadow$_dex_cache_resolved_fields_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, dex_cache_resolved_methods_), "shadow$_dex_cache_resolved_methods_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, dex_cache_resolved_types_), "shadow$_dex_cache_resolved_types_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, dex_cache_strings_), "shadow$_dex_cache_strings_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, invoke_stub_array_), "shadow$_invoke_stub_array_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, mapping_table_), "shadow$_mapping_table_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, register_map_data_), "shadow$_register_map_data_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, register_map_header_), "shadow$_register_map_header_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, shorty_), "shadow$_shorty_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, signature_), "shadow$_signature_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, vmap_table_), "shadow$_vmap_table_")); // alphabetical 32-bit offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, java_generic_types_are_initialized_), "genericTypesAreInitialized")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, access_flags_), "shadow$_access_flags_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, code_), "shadow$_code_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, code_item_offset_), "shadow$_code_item_offset_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, core_spill_mask_), "shadow$_core_spill_mask_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, fp_spill_mask_), "shadow$_fp_spill_mask_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, frame_size_in_bytes_), "shadow$_frame_size_in_bytes_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, invoke_stub_), "shadow$_invoke_stub_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, java_return_type_idx_), "shadow$_java_return_type_idx_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, method_index_), "shadow$_method_index_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, native_method_), "shadow$_native_method_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, num_ins_), "shadow$_num_ins_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, num_outs_), "shadow$_num_outs_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, num_registers_), "shadow$_num_registers_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, proto_idx_), "shadow$_proto_idx_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, return_pc_offset_in_bytes_), "shadow$_return_pc_offset_in_bytes_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Method, java_slot_), "slot")); }; }; struct ConstructorOffsets : public MethodOffsets { ConstructorOffsets() : MethodOffsets() { // We use Method* for both java.lang.reflect.Constructor and java.lang.reflect.Method. class_descriptor = "Ljava/lang/reflect/Constructor;"; } }; struct ClassOffsets : public CheckOffsets { ClassOffsets() { instance = true; class_descriptor = "Ljava/lang/Class;"; // alphabetical references offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, name_), "name")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, class_loader_), "shadow$_class_loader_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, component_type_), "shadow$_component_type_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, descriptor_), "shadow$_descriptor_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, dex_cache_), "shadow$_dex_cache_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, direct_methods_), "shadow$_direct_methods_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, ifields_), "shadow$_ifields_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, iftable_), "shadow$_iftable_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, interfaces_), "shadow$_interfaces_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, interfaces_type_idx_), "shadow$_interfaces_type_idx_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, sfields_), "shadow$_sfields_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, source_file_), "shadow$_source_file_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, super_class_), "shadow$_super_class_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, verify_error_class_), "shadow$_verify_error_class_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, virtual_methods_), "shadow$_virtual_methods_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, vtable_), "shadow$_vtable_")); // alphabetical 32-bit offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, access_flags_), "shadow$_access_flags_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, class_size_), "shadow$_class_size_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, clinit_thread_id_), "shadow$_clinit_thread_id_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, num_reference_instance_fields_), "shadow$_num_reference_instance_fields_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, num_reference_static_fields_), "shadow$_num_reference_static_fields_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, object_size_), "shadow$_object_size_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, primitive_type_), "shadow$_primitive_type_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, reference_instance_offsets_), "shadow$_reference_instance_offsets_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, reference_static_offsets_), "shadow$_reference_static_offsets_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, status_), "shadow$_status_")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Class, super_class_type_idx_), "shadow$_super_class_type_idx_")); }; }; struct StringOffsets : public CheckOffsets { StringOffsets() { instance = true; class_descriptor = "Ljava/lang/String;"; // alphabetical references offsets.push_back(CheckOffset(OFFSETOF_MEMBER(String, array_), "value")); // alphabetical 32-bit offsets.push_back(CheckOffset(OFFSETOF_MEMBER(String, count_), "count")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(String, hash_code_), "hashCode")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(String, offset_), "offset")); }; }; struct ThrowableOffsets : public CheckOffsets { ThrowableOffsets() { instance = true; class_descriptor = "Ljava/lang/Throwable;"; // alphabetical references offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Throwable, cause_), "cause")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Throwable, detail_message_), "detailMessage")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Throwable, stack_state_), "stackState")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Throwable, stack_trace_), "stackTrace")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(Throwable, suppressed_exceptions_), "suppressedExceptions")); }; }; struct StackTraceElementOffsets : public CheckOffsets { StackTraceElementOffsets() { instance = true; class_descriptor = "Ljava/lang/StackTraceElement;"; // alphabetical references offsets.push_back(CheckOffset(OFFSETOF_MEMBER(StackTraceElement, declaring_class_), "declaringClass")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(StackTraceElement, file_name_), "fileName")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(StackTraceElement, method_name_), "methodName")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(StackTraceElement, line_number_), "lineNumber")); }; }; struct ClassLoaderOffsets : public CheckOffsets { ClassLoaderOffsets() { instance = true; class_descriptor = "Ljava/lang/ClassLoader;"; // alphabetical references offsets.push_back(CheckOffset(OFFSETOF_MEMBER(ClassLoader, packages_), "packages")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(ClassLoader, parent_), "parent")); }; }; struct BaseDexClassLoaderOffsets : public CheckOffsets { BaseDexClassLoaderOffsets() { instance = true; class_descriptor = "Ldalvik/system/BaseDexClassLoader;"; // alphabetical references offsets.push_back(CheckOffset(OFFSETOF_MEMBER(BaseDexClassLoader, original_path_), "originalPath")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(BaseDexClassLoader, path_list_), "pathList")); }; }; struct PathClassLoaderOffsets : public CheckOffsets { PathClassLoaderOffsets() { instance = true; class_descriptor = "Ldalvik/system/PathClassLoader;"; }; }; struct ClassClassOffsets : public CheckOffsets { ClassClassOffsets() { instance = false; class_descriptor = "Ljava/lang/Class;"; // padding 32-bit CHECK_EQ(OFFSETOF_MEMBER(ClassClass, padding_) + 4, OFFSETOF_MEMBER(ClassClass, serialVersionUID_)); // alphabetical 64-bit offsets.push_back(CheckOffset(OFFSETOF_MEMBER(ClassClass, serialVersionUID_), "serialVersionUID")); }; }; struct StringClassOffsets : public CheckOffsets { StringClassOffsets() { instance = false; class_descriptor = "Ljava/lang/String;"; // alphabetical references offsets.push_back(CheckOffset(OFFSETOF_MEMBER(StringClass, ASCII_), "ASCII")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(StringClass, CASE_INSENSITIVE_ORDER_), "CASE_INSENSITIVE_ORDER")); // padding 32-bit offsets.push_back(CheckOffset(OFFSETOF_MEMBER(StringClass, REPLACEMENT_CHAR_), "REPLACEMENT_CHAR")); // alphabetical 64-bit offsets.push_back(CheckOffset(OFFSETOF_MEMBER(StringClass, serialVersionUID_), "serialVersionUID")); }; }; struct FieldClassOffsets : public CheckOffsets { FieldClassOffsets() { instance = false; class_descriptor = "Ljava/lang/reflect/Field;"; // alphabetical references offsets.push_back(CheckOffset(OFFSETOF_MEMBER(FieldClass, ORDER_BY_NAME_AND_DECLARING_CLASS_), "ORDER_BY_NAME_AND_DECLARING_CLASS")); // alphabetical 32-bit offsets.push_back(CheckOffset(OFFSETOF_MEMBER(FieldClass, TYPE_BOOLEAN_), "TYPE_BOOLEAN")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(FieldClass, TYPE_BYTE_), "TYPE_BYTE")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(FieldClass, TYPE_CHAR_), "TYPE_CHAR")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(FieldClass, TYPE_DOUBLE_), "TYPE_DOUBLE")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(FieldClass, TYPE_FLOAT_), "TYPE_FLOAT")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(FieldClass, TYPE_INTEGER_), "TYPE_INTEGER")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(FieldClass, TYPE_LONG_), "TYPE_LONG")); offsets.push_back(CheckOffset(OFFSETOF_MEMBER(FieldClass, TYPE_SHORT_), "TYPE_SHORT")); }; }; struct MethodClassOffsets : public CheckOffsets { MethodClassOffsets() { instance = false; class_descriptor = "Ljava/lang/reflect/Method;"; // alphabetical references offsets.push_back(CheckOffset(OFFSETOF_MEMBER(MethodClass, ORDER_BY_SIGNATURE_), "ORDER_BY_SIGNATURE")); }; }; // C++ fields must exactly match the fields in the Java classes. If this fails, // reorder the fields in the C++ class. Managed class fields are ordered by // ClassLinker::LinkFields. TEST_F(ClassLinkerTest, ValidateFieldOrderOfJavaCppUnionClasses) { EXPECT_TRUE(ObjectOffsets().Check()); EXPECT_TRUE(AccessibleObjectOffsets().Check()); EXPECT_TRUE(ConstructorOffsets().Check()); EXPECT_TRUE(FieldOffsets().Check()); EXPECT_TRUE(MethodOffsets().Check()); EXPECT_TRUE(ClassOffsets().Check()); EXPECT_TRUE(StringOffsets().Check()); EXPECT_TRUE(ThrowableOffsets().Check()); EXPECT_TRUE(StackTraceElementOffsets().Check()); EXPECT_TRUE(ClassLoaderOffsets().Check()); EXPECT_TRUE(BaseDexClassLoaderOffsets().Check()); EXPECT_TRUE(PathClassLoaderOffsets().Check()); EXPECT_TRUE(ClassClassOffsets().Check()); EXPECT_TRUE(StringClassOffsets().Check()); EXPECT_TRUE(FieldClassOffsets().Check()); EXPECT_TRUE(MethodClassOffsets().Check()); } TEST_F(ClassLinkerTest, FindClassNonexistent) { AssertNonExistentClass("NoSuchClass;"); AssertNonExistentClass("LNoSuchClass;"); } TEST_F(ClassLinkerTest, FindClassNested) { const ClassLoader* class_loader = LoadDex("Nested"); Class* outer = class_linker_->FindClass("LNested;", class_loader); ASSERT_TRUE(outer != NULL); EXPECT_EQ(0U, outer->NumVirtualMethods()); EXPECT_EQ(1U, outer->NumDirectMethods()); Class* inner = class_linker_->FindClass("LNested$Inner;", class_loader); ASSERT_TRUE(inner != NULL); EXPECT_EQ(0U, inner->NumVirtualMethods()); EXPECT_EQ(1U, inner->NumDirectMethods()); } TEST_F(ClassLinkerTest, FindClass_Primitives) { StringPiece expected = "BCDFIJSZV"; for (int ch = 0; ch < 255; ch++) { char* s = reinterpret_cast(&ch); StringPiece descriptor(s, 1); if (expected.find(ch) == StringPiece::npos) { AssertNonExistentClass(descriptor); } else { AssertPrimitiveClass(descriptor); } } } TEST_F(ClassLinkerTest, FindClass) { Class* JavaLangObject = class_linker_->FindSystemClass("Ljava/lang/Object;"); ASSERT_TRUE(JavaLangObject != NULL); ASSERT_TRUE(JavaLangObject->GetClass() != NULL); ASSERT_EQ(JavaLangObject->GetClass(), JavaLangObject->GetClass()->GetClass()); EXPECT_EQ(JavaLangObject, JavaLangObject->GetClass()->GetSuperClass()); ASSERT_TRUE(JavaLangObject->GetDescriptor()->Equals("Ljava/lang/Object;")); EXPECT_TRUE(JavaLangObject->GetSuperClass() == NULL); EXPECT_FALSE(JavaLangObject->HasSuperClass()); EXPECT_TRUE(JavaLangObject->GetClassLoader() == NULL); EXPECT_EQ(Class::kStatusResolved, JavaLangObject->GetStatus()); EXPECT_FALSE(JavaLangObject->IsErroneous()); EXPECT_TRUE(JavaLangObject->IsLoaded()); EXPECT_TRUE(JavaLangObject->IsResolved()); EXPECT_FALSE(JavaLangObject->IsVerified()); EXPECT_FALSE(JavaLangObject->IsInitialized()); EXPECT_FALSE(JavaLangObject->IsArrayInstance()); EXPECT_FALSE(JavaLangObject->IsArrayClass()); EXPECT_TRUE(JavaLangObject->GetComponentType() == NULL); EXPECT_FALSE(JavaLangObject->IsInterface()); EXPECT_TRUE(JavaLangObject->IsPublic()); EXPECT_FALSE(JavaLangObject->IsFinal()); EXPECT_FALSE(JavaLangObject->IsPrimitive()); EXPECT_FALSE(JavaLangObject->IsSynthetic()); EXPECT_EQ(2U, JavaLangObject->NumDirectMethods()); EXPECT_EQ(11U, JavaLangObject->NumVirtualMethods()); EXPECT_EQ(2U, JavaLangObject->NumInstanceFields()); EXPECT_TRUE(JavaLangObject->GetInstanceField(0)->GetName()->Equals("shadow$_klass_")); EXPECT_TRUE(JavaLangObject->GetInstanceField(1)->GetName()->Equals("shadow$_monitor_")); EXPECT_EQ(0U, JavaLangObject->NumStaticFields()); EXPECT_EQ(0U, JavaLangObject->NumInterfaces()); const ClassLoader* class_loader = LoadDex("MyClass"); AssertNonExistentClass("LMyClass;"); Class* MyClass = class_linker_->FindClass("LMyClass;", class_loader); ASSERT_TRUE(MyClass != NULL); ASSERT_TRUE(MyClass->GetClass() != NULL); ASSERT_EQ(MyClass->GetClass(), MyClass->GetClass()->GetClass()); EXPECT_EQ(JavaLangObject, MyClass->GetClass()->GetSuperClass()); ASSERT_TRUE(MyClass->GetDescriptor()->Equals("LMyClass;")); EXPECT_TRUE(MyClass->GetSuperClass() == JavaLangObject); EXPECT_TRUE(MyClass->HasSuperClass()); EXPECT_EQ(class_loader, MyClass->GetClassLoader()); EXPECT_EQ(Class::kStatusResolved, MyClass->GetStatus()); EXPECT_FALSE(MyClass->IsErroneous()); EXPECT_TRUE(MyClass->IsLoaded()); EXPECT_TRUE(MyClass->IsResolved()); EXPECT_FALSE(MyClass->IsVerified()); EXPECT_FALSE(MyClass->IsInitialized()); EXPECT_FALSE(MyClass->IsArrayInstance()); EXPECT_FALSE(MyClass->IsArrayClass()); EXPECT_TRUE(MyClass->GetComponentType() == NULL); EXPECT_FALSE(MyClass->IsInterface()); EXPECT_FALSE(MyClass->IsPublic()); EXPECT_FALSE(MyClass->IsFinal()); EXPECT_FALSE(MyClass->IsPrimitive()); EXPECT_FALSE(MyClass->IsSynthetic()); EXPECT_EQ(1U, MyClass->NumDirectMethods()); EXPECT_EQ(0U, MyClass->NumVirtualMethods()); EXPECT_EQ(0U, MyClass->NumInstanceFields()); EXPECT_EQ(0U, MyClass->NumStaticFields()); EXPECT_EQ(0U, MyClass->NumInterfaces()); EXPECT_EQ(JavaLangObject->GetClass()->GetClass(), MyClass->GetClass()->GetClass()); // created by class_linker AssertArrayClass("[C", "C", NULL); AssertArrayClass("[Ljava/lang/Object;", "Ljava/lang/Object;", NULL); // synthesized on the fly AssertArrayClass("[[C", "[C", NULL); AssertArrayClass("[[[LMyClass;", "[[LMyClass;", class_loader); // or not available at all AssertNonExistentClass("[[[[LNonExistentClass;"); } TEST_F(ClassLinkerTest, LibCore) { AssertDexFile(java_lang_dex_file_.get(), NULL); } // The first reference array element must be a multiple of 8 bytes from the // start of the object TEST_F(ClassLinkerTest, ValidateObjectArrayElementsOffset) { Class* array_class = class_linker_->FindSystemClass("[Ljava/lang/String;"); ObjectArray* array = ObjectArray::Alloc(array_class, 0); uint32_t array_offset = reinterpret_cast(array); uint32_t data_offset = array_offset + ObjectArray::DataOffset().Uint32Value(); EXPECT_EQ(16U, data_offset - array_offset); } TEST_F(ClassLinkerTest, ValidatePrimitiveArrayElementsOffset) { LongArray* array = LongArray::Alloc(0); EXPECT_EQ(class_linker_->FindSystemClass("[J"), array->GetClass()); uint32_t array_offset = reinterpret_cast(array); uint32_t data_offset = reinterpret_cast(array->GetData()); EXPECT_EQ(16U, data_offset - array_offset); } TEST_F(ClassLinkerTest, ValidateBoxedTypes) { // Validate that the "value" field is always the 0th field in each of java.lang's box classes. // This lets UnboxPrimitive avoid searching for the field by name at runtime. Class* c; c = class_linker_->FindClass("Ljava/lang/Boolean;", NULL); EXPECT_EQ("value", c->GetIFields()->Get(0)->GetName()->ToModifiedUtf8()); c = class_linker_->FindClass("Ljava/lang/Byte;", NULL); EXPECT_EQ("value", c->GetIFields()->Get(0)->GetName()->ToModifiedUtf8()); c = class_linker_->FindClass("Ljava/lang/Character;", NULL); EXPECT_EQ("value", c->GetIFields()->Get(0)->GetName()->ToModifiedUtf8()); c = class_linker_->FindClass("Ljava/lang/Double;", NULL); EXPECT_EQ("value", c->GetIFields()->Get(0)->GetName()->ToModifiedUtf8()); c = class_linker_->FindClass("Ljava/lang/Float;", NULL); EXPECT_EQ("value", c->GetIFields()->Get(0)->GetName()->ToModifiedUtf8()); c = class_linker_->FindClass("Ljava/lang/Integer;", NULL); EXPECT_EQ("value", c->GetIFields()->Get(0)->GetName()->ToModifiedUtf8()); c = class_linker_->FindClass("Ljava/lang/Long;", NULL); EXPECT_EQ("value", c->GetIFields()->Get(0)->GetName()->ToModifiedUtf8()); c = class_linker_->FindClass("Ljava/lang/Short;", NULL); EXPECT_EQ("value", c->GetIFields()->Get(0)->GetName()->ToModifiedUtf8()); } TEST_F(ClassLinkerTest, TwoClassLoadersOneClass) { const ClassLoader* class_loader_1 = LoadDex("MyClass"); const ClassLoader* class_loader_2 = LoadDex("MyClass"); Class* MyClass_1 = class_linker_->FindClass("LMyClass;", class_loader_1); Class* MyClass_2 = class_linker_->FindClass("LMyClass;", class_loader_2); EXPECT_TRUE(MyClass_1 != NULL); EXPECT_TRUE(MyClass_2 != NULL); EXPECT_NE(MyClass_1, MyClass_2); } TEST_F(ClassLinkerTest, StaticFields) { const ClassLoader* class_loader = LoadDex("Statics"); Class* statics = class_linker_->FindClass("LStatics;", class_loader); class_linker_->EnsureInitialized(statics, true); // Static final primitives that are initialized by a compile-time constant // expression resolve to a copy of a constant value from the constant pool. // So should be null. Method* clinit = statics->FindDirectMethod("", "()V"); EXPECT_TRUE(clinit == NULL); EXPECT_EQ(9U, statics->NumStaticFields()); Field* s0 = statics->FindStaticField("s0", class_linker_->FindClass("Z", class_loader)); EXPECT_TRUE(s0->GetClass()->GetDescriptor()->Equals("Ljava/lang/reflect/Field;")); EXPECT_TRUE(s0->GetType()->IsPrimitiveBoolean()); EXPECT_EQ(true, s0->GetBoolean(NULL)); s0->SetBoolean(NULL, false); Field* s1 = statics->FindStaticField("s1", class_linker_->FindClass("B", class_loader)); EXPECT_TRUE(s1->GetType()->IsPrimitiveByte()); EXPECT_EQ(5, s1->GetByte(NULL)); s1->SetByte(NULL, 6); Field* s2 = statics->FindStaticField("s2", class_linker_->FindClass("C", class_loader)); EXPECT_TRUE(s2->GetType()->IsPrimitiveChar()); EXPECT_EQ('a', s2->GetChar(NULL)); s2->SetChar(NULL, 'b'); Field* s3 = statics->FindStaticField("s3", class_linker_->FindClass("S", class_loader)); EXPECT_TRUE(s3->GetType()->IsPrimitiveShort()); EXPECT_EQ(65000, s3->GetShort(NULL)); s3->SetShort(NULL, 65001); Field* s4 = statics->FindStaticField("s4", class_linker_->FindClass("I", class_loader)); EXPECT_TRUE(s4->GetType()->IsPrimitiveInt()); EXPECT_EQ(2000000000, s4->GetInt(NULL)); s4->SetInt(NULL, 2000000001); Field* s5 = statics->FindStaticField("s5", class_linker_->FindClass("J", class_loader)); EXPECT_TRUE(s5->GetType()->IsPrimitiveLong()); EXPECT_EQ(0x1234567890abcdefLL, s5->GetLong(NULL)); s5->SetLong(NULL, 0x34567890abcdef12LL); Field* s6 = statics->FindStaticField("s6", class_linker_->FindClass("F", class_loader)); EXPECT_TRUE(s6->GetType()->IsPrimitiveFloat()); EXPECT_EQ(0.5, s6->GetFloat(NULL)); s6->SetFloat(NULL, 0.75); Field* s7 = statics->FindStaticField("s7", class_linker_->FindClass("D", class_loader)); EXPECT_TRUE(s7->GetType()->IsPrimitiveDouble()); EXPECT_EQ(16777217, s7->GetDouble(NULL)); s7->SetDouble(NULL, 16777219); Field* s8 = statics->FindStaticField("s8", class_linker_->FindClass("Ljava/lang/String;", class_loader)); EXPECT_FALSE(s8->GetType()->IsPrimitive()); EXPECT_TRUE(s8->GetObject(NULL)->AsString()->Equals("android")); s8->SetObject(NULL, String::AllocFromModifiedUtf8("robot")); EXPECT_EQ(false, s0->GetBoolean(NULL)); EXPECT_EQ(6, s1->GetByte(NULL)); EXPECT_EQ('b', s2->GetChar(NULL)); EXPECT_EQ(65001, s3->GetShort(NULL)); EXPECT_EQ(2000000001, s4->GetInt(NULL)); EXPECT_EQ(0x34567890abcdef12LL, s5->GetLong(NULL)); EXPECT_EQ(0.75, s6->GetFloat(NULL)); EXPECT_EQ(16777219, s7->GetDouble(NULL)); EXPECT_TRUE(s8->GetObject(NULL)->AsString()->Equals("robot")); } TEST_F(ClassLinkerTest, Interfaces) { const ClassLoader* class_loader = LoadDex("Interfaces"); Class* I = class_linker_->FindClass("LInterfaces$I;", class_loader); Class* J = class_linker_->FindClass("LInterfaces$J;", class_loader); Class* K = class_linker_->FindClass("LInterfaces$K;", class_loader); Class* A = class_linker_->FindClass("LInterfaces$A;", class_loader); Class* B = class_linker_->FindClass("LInterfaces$B;", class_loader); EXPECT_TRUE(I->IsAssignableFrom(A)); EXPECT_TRUE(J->IsAssignableFrom(A)); EXPECT_TRUE(J->IsAssignableFrom(K)); EXPECT_TRUE(K->IsAssignableFrom(B)); EXPECT_TRUE(J->IsAssignableFrom(B)); Method* Ii = I->FindVirtualMethod("i", "()V"); Method* Jj1 = J->FindVirtualMethod("j1", "()V"); Method* Jj2 = J->FindVirtualMethod("j2", "()V"); Method* Kj1 = K->FindInterfaceMethod("j1", "()V"); Method* Kj2 = K->FindInterfaceMethod("j2", "()V"); Method* Kk = K->FindInterfaceMethod("k", "()V"); Method* Ai = A->FindVirtualMethod("i", "()V"); Method* Aj1 = A->FindVirtualMethod("j1", "()V"); Method* Aj2 = A->FindVirtualMethod("j2", "()V"); ASSERT_TRUE(Ii != NULL); ASSERT_TRUE(Jj1 != NULL); ASSERT_TRUE(Jj2 != NULL); ASSERT_TRUE(Kj1 != NULL); ASSERT_TRUE(Kj2 != NULL); ASSERT_TRUE(Kk != NULL); ASSERT_TRUE(Ai != NULL); ASSERT_TRUE(Aj1 != NULL); ASSERT_TRUE(Aj2 != NULL); EXPECT_NE(Ii, Ai); EXPECT_NE(Jj1, Aj1); EXPECT_NE(Jj2, Aj2); EXPECT_EQ(Kj1, Jj1); EXPECT_EQ(Kj2, Jj2); EXPECT_EQ(Ai, A->FindVirtualMethodForInterface(Ii)); EXPECT_EQ(Aj1, A->FindVirtualMethodForInterface(Jj1)); EXPECT_EQ(Aj2, A->FindVirtualMethodForInterface(Jj2)); EXPECT_EQ(Ai, A->FindVirtualMethodForVirtualOrInterface(Ii)); EXPECT_EQ(Aj1, A->FindVirtualMethodForVirtualOrInterface(Jj1)); EXPECT_EQ(Aj2, A->FindVirtualMethodForVirtualOrInterface(Jj2)); } TEST_F(ClassLinkerTest, InitializeStaticStorageFromCode) { // pretend we are trying to get the static storage for the StaticsFromCode class. // case 1, get the uninitialized storage from StaticsFromCode. // case 2, get the initialized storage from StaticsFromCode.getS0 const ClassLoader* class_loader = LoadDex("StaticsFromCode"); const DexFile* dex_file = ClassLoader::GetClassPath(class_loader)[0]; CHECK(dex_file != NULL); Class* klass = class_linker_->FindClass("LStaticsFromCode;", class_loader); Method* clinit = klass->FindDirectMethod("", "()V"); Method* getS0 = klass->FindDirectMethod("getS0", "()Ljava/lang/Object;"); uint32_t type_idx = FindTypeIdxByDescriptor(*dex_file, "LStaticsFromCode;"); EXPECT_TRUE(clinit->GetDexCacheInitializedStaticStorage()->Get(type_idx) == NULL); StaticStorageBase* uninit = class_linker_->InitializeStaticStorageFromCode(type_idx, clinit); EXPECT_TRUE(uninit != NULL); EXPECT_TRUE(clinit->GetDexCacheInitializedStaticStorage()->Get(type_idx) == NULL); StaticStorageBase* init = class_linker_->InitializeStaticStorageFromCode(type_idx, getS0); EXPECT_TRUE(init != NULL); EXPECT_EQ(init, clinit->GetDexCacheInitializedStaticStorage()->Get(type_idx)); } } // namespace art