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1780 lines
81 KiB
1780 lines
81 KiB
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "class_linker.h"
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#include <memory>
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#include <string>
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#include <string_view>
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#include "android-base/strings.h"
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#include "art_field-inl.h"
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#include "art_method-inl.h"
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#include "base/enums.h"
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#include "class_linker-inl.h"
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#include "class_root-inl.h"
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#include "common_runtime_test.h"
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#include "dex/dex_file_types.h"
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#include "dex/signature-inl.h"
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#include "dex/standard_dex_file.h"
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#include "entrypoints/entrypoint_utils-inl.h"
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#include "experimental_flags.h"
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#include "gc/heap.h"
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#include "handle_scope-inl.h"
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#include "mirror/array-alloc-inl.h"
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#include "mirror/accessible_object.h"
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#include "mirror/call_site.h"
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#include "mirror/class-inl.h"
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#include "mirror/class_ext.h"
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#include "mirror/dex_cache.h"
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#include "mirror/emulated_stack_frame.h"
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#include "mirror/executable.h"
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#include "mirror/field.h"
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#include "mirror/method_handle_impl.h"
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#include "mirror/method_handles_lookup.h"
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#include "mirror/method_type-inl.h"
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#include "mirror/object-inl.h"
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#include "mirror/object_array-alloc-inl.h"
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#include "mirror/object_array-inl.h"
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#include "mirror/proxy.h"
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#include "mirror/reference.h"
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#include "mirror/stack_trace_element.h"
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#include "mirror/string-inl.h"
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#include "mirror/var_handle.h"
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#include "scoped_thread_state_change-inl.h"
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#include "thread-current-inl.h"
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namespace art {
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class ClassLinkerTest : public CommonRuntimeTest {
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protected:
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void AssertNonExistentClass(const std::string& descriptor)
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REQUIRES_SHARED(Locks::mutator_lock_) {
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Thread* self = Thread::Current();
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EXPECT_TRUE(class_linker_->FindSystemClass(self, descriptor.c_str()) == nullptr);
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EXPECT_TRUE(self->IsExceptionPending());
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StackHandleScope<1> hs(self);
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Handle<mirror::Object> exception = hs.NewHandle<mirror::Object>(self->GetException());
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self->ClearException();
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ObjPtr<mirror::Class> exception_class =
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class_linker_->FindSystemClass(self, "Ljava/lang/NoClassDefFoundError;");
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EXPECT_TRUE(exception->InstanceOf(exception_class));
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}
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void AssertPrimitiveClass(const std::string& descriptor)
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REQUIRES_SHARED(Locks::mutator_lock_) {
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Thread* self = Thread::Current();
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AssertPrimitiveClass(descriptor, class_linker_->FindSystemClass(self, descriptor.c_str()));
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}
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void AssertPrimitiveClass(const std::string& descriptor, ObjPtr<mirror::Class> primitive)
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REQUIRES_SHARED(Locks::mutator_lock_) {
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ASSERT_TRUE(primitive != nullptr);
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ASSERT_TRUE(primitive->GetClass() != nullptr);
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ASSERT_OBJ_PTR_EQ(primitive->GetClass(), primitive->GetClass()->GetClass());
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EXPECT_TRUE(primitive->GetClass()->GetSuperClass() != nullptr);
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std::string temp;
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ASSERT_STREQ(descriptor.c_str(), primitive->GetDescriptor(&temp));
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EXPECT_TRUE(primitive->GetSuperClass() == nullptr);
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EXPECT_FALSE(primitive->HasSuperClass());
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EXPECT_TRUE(primitive->GetClassLoader() == nullptr);
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EXPECT_EQ(ClassStatus::kVisiblyInitialized, primitive->GetStatus());
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EXPECT_FALSE(primitive->IsErroneous());
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EXPECT_TRUE(primitive->IsLoaded());
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EXPECT_TRUE(primitive->IsResolved());
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EXPECT_FALSE(primitive->IsErroneousResolved());
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EXPECT_TRUE(primitive->IsVerified());
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EXPECT_TRUE(primitive->IsInitialized());
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EXPECT_FALSE(primitive->IsArrayInstance());
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EXPECT_FALSE(primitive->IsArrayClass());
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EXPECT_TRUE(primitive->GetComponentType() == nullptr);
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EXPECT_FALSE(primitive->IsInterface());
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EXPECT_TRUE(primitive->IsPublic());
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EXPECT_TRUE(primitive->IsFinal());
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EXPECT_TRUE(primitive->IsPrimitive());
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EXPECT_FALSE(primitive->IsSynthetic());
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EXPECT_EQ(0U, primitive->NumDirectMethods());
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EXPECT_EQ(0U, primitive->NumVirtualMethods());
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EXPECT_EQ(0U, primitive->NumInstanceFields());
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EXPECT_EQ(0U, primitive->NumStaticFields());
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EXPECT_EQ(0U, primitive->NumDirectInterfaces());
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EXPECT_FALSE(primitive->HasVTable());
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EXPECT_EQ(0, primitive->GetIfTableCount());
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EXPECT_TRUE(primitive->GetIfTable() != nullptr);
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EXPECT_EQ(primitive->GetIfTable()->Count(), 0u);
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EXPECT_EQ(kAccPublic | kAccFinal | kAccAbstract | kAccVerificationAttempted,
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primitive->GetAccessFlags());
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}
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void AssertObjectClass(ObjPtr<mirror::Class> JavaLangObject)
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REQUIRES_SHARED(Locks::mutator_lock_) {
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ASSERT_TRUE(JavaLangObject != nullptr);
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ASSERT_TRUE(JavaLangObject->GetClass() != nullptr);
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ASSERT_OBJ_PTR_EQ(JavaLangObject->GetClass(), JavaLangObject->GetClass()->GetClass());
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EXPECT_OBJ_PTR_EQ(JavaLangObject, JavaLangObject->GetClass()->GetSuperClass());
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std::string temp;
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ASSERT_STREQ(JavaLangObject->GetDescriptor(&temp), "Ljava/lang/Object;");
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EXPECT_TRUE(JavaLangObject->GetSuperClass() == nullptr);
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EXPECT_FALSE(JavaLangObject->HasSuperClass());
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EXPECT_TRUE(JavaLangObject->GetClassLoader() == nullptr);
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class_linker_->MakeInitializedClassesVisiblyInitialized(Thread::Current(), /*wait=*/ true);
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EXPECT_EQ(ClassStatus::kVisiblyInitialized, JavaLangObject->GetStatus());
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EXPECT_FALSE(JavaLangObject->IsErroneous());
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EXPECT_TRUE(JavaLangObject->IsLoaded());
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EXPECT_TRUE(JavaLangObject->IsResolved());
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EXPECT_FALSE(JavaLangObject->IsErroneousResolved());
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EXPECT_TRUE(JavaLangObject->IsVerified());
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EXPECT_TRUE(JavaLangObject->IsInitialized());
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EXPECT_FALSE(JavaLangObject->IsArrayInstance());
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EXPECT_FALSE(JavaLangObject->IsArrayClass());
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EXPECT_TRUE(JavaLangObject->GetComponentType() == nullptr);
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EXPECT_FALSE(JavaLangObject->IsInterface());
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EXPECT_TRUE(JavaLangObject->IsPublic());
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EXPECT_FALSE(JavaLangObject->IsFinal());
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EXPECT_FALSE(JavaLangObject->IsPrimitive());
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EXPECT_FALSE(JavaLangObject->IsSynthetic());
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EXPECT_EQ(4U, JavaLangObject->NumDirectMethods());
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EXPECT_EQ(11U, JavaLangObject->NumVirtualMethods());
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if (!kUseBrooksReadBarrier) {
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EXPECT_EQ(2U, JavaLangObject->NumInstanceFields());
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} else {
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EXPECT_EQ(4U, JavaLangObject->NumInstanceFields());
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}
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EXPECT_STREQ(JavaLangObject->GetInstanceField(0)->GetName(),
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"shadow$_klass_");
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EXPECT_STREQ(JavaLangObject->GetInstanceField(1)->GetName(),
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"shadow$_monitor_");
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if (kUseBrooksReadBarrier) {
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EXPECT_STREQ(JavaLangObject->GetInstanceField(2)->GetName(),
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"shadow$_x_rb_ptr_");
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EXPECT_STREQ(JavaLangObject->GetInstanceField(3)->GetName(),
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"shadow$_x_xpadding_");
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}
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EXPECT_EQ(0U, JavaLangObject->NumStaticFields());
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EXPECT_EQ(0U, JavaLangObject->NumDirectInterfaces());
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PointerSize pointer_size = class_linker_->GetImagePointerSize();
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ArtMethod* unimplemented = runtime_->GetImtUnimplementedMethod();
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ImTable* imt = JavaLangObject->GetImt(pointer_size);
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ASSERT_NE(nullptr, imt);
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for (size_t i = 0; i < ImTable::kSize; ++i) {
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ASSERT_EQ(unimplemented, imt->Get(i, pointer_size));
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}
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}
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void AssertArrayClass(const std::string& array_descriptor,
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const std::string& component_type,
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ObjPtr<mirror::ClassLoader> class_loader)
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REQUIRES_SHARED(Locks::mutator_lock_) {
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Thread* self = Thread::Current();
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StackHandleScope<2> hs(self);
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Handle<mirror::ClassLoader> loader(hs.NewHandle(class_loader));
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Handle<mirror::Class> array(
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hs.NewHandle(class_linker_->FindClass(self, array_descriptor.c_str(), loader)));
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std::string temp;
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EXPECT_STREQ(component_type.c_str(), array->GetComponentType()->GetDescriptor(&temp));
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EXPECT_OBJ_PTR_EQ(loader.Get(), array->GetClassLoader());
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EXPECT_EQ(kAccFinal | kAccAbstract, (array->GetAccessFlags() & (kAccFinal | kAccAbstract)));
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AssertArrayClass(array_descriptor, array);
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}
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void AssertArrayClass(const std::string& array_descriptor, Handle<mirror::Class> array)
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REQUIRES_SHARED(Locks::mutator_lock_) {
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ASSERT_TRUE(array != nullptr);
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ASSERT_TRUE(array->GetClass() != nullptr);
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ASSERT_OBJ_PTR_EQ(array->GetClass(), array->GetClass()->GetClass());
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EXPECT_TRUE(array->GetClass()->GetSuperClass() != nullptr);
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std::string temp;
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ASSERT_STREQ(array_descriptor.c_str(), array->GetDescriptor(&temp));
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EXPECT_TRUE(array->GetSuperClass() != nullptr);
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Thread* self = Thread::Current();
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EXPECT_OBJ_PTR_EQ(class_linker_->FindSystemClass(self, "Ljava/lang/Object;"),
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array->GetSuperClass());
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EXPECT_TRUE(array->HasSuperClass());
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ASSERT_TRUE(array->GetComponentType() != nullptr);
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ASSERT_GT(strlen(array->GetComponentType()->GetDescriptor(&temp)), 0U);
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EXPECT_EQ(ClassStatus::kVisiblyInitialized, array->GetStatus());
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EXPECT_FALSE(array->IsErroneous());
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EXPECT_TRUE(array->IsLoaded());
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EXPECT_TRUE(array->IsResolved());
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EXPECT_FALSE(array->IsErroneousResolved());
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EXPECT_TRUE(array->IsVerified());
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EXPECT_TRUE(array->IsInitialized());
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EXPECT_FALSE(array->IsArrayInstance());
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EXPECT_TRUE(array->IsArrayClass());
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EXPECT_FALSE(array->IsInterface());
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EXPECT_EQ(array->GetComponentType()->IsPublic(), array->IsPublic());
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EXPECT_TRUE(array->IsFinal());
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EXPECT_FALSE(array->IsPrimitive());
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EXPECT_FALSE(array->IsSynthetic());
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EXPECT_EQ(0U, array->NumDirectMethods());
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EXPECT_EQ(0U, array->NumVirtualMethods());
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EXPECT_EQ(0U, array->NumInstanceFields());
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EXPECT_EQ(0U, array->NumStaticFields());
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EXPECT_EQ(2U, array->NumDirectInterfaces());
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EXPECT_TRUE(array->ShouldHaveImt());
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EXPECT_TRUE(array->ShouldHaveEmbeddedVTable());
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EXPECT_EQ(2, array->GetIfTableCount());
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ASSERT_TRUE(array->GetIfTable() != nullptr);
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ObjPtr<mirror::Class> direct_interface0 =
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mirror::Class::GetDirectInterface(self, array.Get(), 0);
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EXPECT_TRUE(direct_interface0 != nullptr);
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EXPECT_STREQ(direct_interface0->GetDescriptor(&temp), "Ljava/lang/Cloneable;");
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ObjPtr<mirror::Class> direct_interface1 =
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mirror::Class::GetDirectInterface(self, array.Get(), 1);
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EXPECT_STREQ(direct_interface1->GetDescriptor(&temp), "Ljava/io/Serializable;");
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EXPECT_OBJ_PTR_EQ(class_linker_->FindArrayClass(self, array->GetComponentType()), array.Get());
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PointerSize pointer_size = class_linker_->GetImagePointerSize();
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ObjPtr<mirror::Class> JavaLangObject =
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class_linker_->FindSystemClass(self, "Ljava/lang/Object;");
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ImTable* JavaLangObject_imt = JavaLangObject->GetImt(pointer_size);
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// IMT of a array class should be shared with the IMT of the java.lag.Object
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ASSERT_EQ(JavaLangObject_imt, array->GetImt(pointer_size));
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}
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void AssertMethod(ArtMethod* method) REQUIRES_SHARED(Locks::mutator_lock_) {
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EXPECT_TRUE(method != nullptr);
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EXPECT_TRUE(method->GetDeclaringClass() != nullptr);
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EXPECT_TRUE(method->GetName() != nullptr);
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EXPECT_TRUE(method->GetSignature() != Signature::NoSignature());
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}
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void AssertField(ObjPtr<mirror::Class> klass, ArtField* field)
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REQUIRES_SHARED(Locks::mutator_lock_) {
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EXPECT_TRUE(field != nullptr);
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EXPECT_OBJ_PTR_EQ(klass, field->GetDeclaringClass());
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EXPECT_TRUE(field->GetName() != nullptr);
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EXPECT_TRUE(field->ResolveType() != nullptr);
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}
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void AssertClass(const std::string& descriptor, Handle<mirror::Class> klass)
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REQUIRES_SHARED(Locks::mutator_lock_) {
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std::string temp;
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EXPECT_STREQ(descriptor.c_str(), klass->GetDescriptor(&temp));
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if (descriptor == "Ljava/lang/Object;") {
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EXPECT_FALSE(klass->HasSuperClass());
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} else {
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EXPECT_TRUE(klass->HasSuperClass());
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EXPECT_TRUE(klass->GetSuperClass() != nullptr);
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}
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EXPECT_TRUE(klass->GetClass() != nullptr);
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EXPECT_OBJ_PTR_EQ(klass->GetClass(), klass->GetClass()->GetClass());
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EXPECT_TRUE(klass->GetDexCache() != nullptr);
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EXPECT_TRUE(klass->IsLoaded());
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EXPECT_TRUE(klass->IsResolved());
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EXPECT_FALSE(klass->IsErroneousResolved());
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EXPECT_FALSE(klass->IsErroneous());
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EXPECT_FALSE(klass->IsArrayClass());
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EXPECT_TRUE(klass->GetComponentType() == nullptr);
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EXPECT_TRUE(klass->IsInSamePackage(klass.Get()));
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std::string temp2;
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EXPECT_TRUE(mirror::Class::IsInSamePackage(klass->GetDescriptor(&temp),
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klass->GetDescriptor(&temp2)));
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if (klass->IsInterface()) {
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EXPECT_TRUE(klass->IsAbstract());
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// Check that all direct methods are static (either <clinit> or a regular static method).
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for (ArtMethod& m : klass->GetDirectMethods(kRuntimePointerSize)) {
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EXPECT_TRUE(m.IsStatic());
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EXPECT_TRUE(m.IsDirect());
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}
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} else {
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if (!klass->IsSynthetic()) {
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EXPECT_NE(0U, klass->NumDirectMethods());
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}
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}
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EXPECT_EQ(klass->IsInterface(), !klass->HasVTable());
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ObjPtr<mirror::IfTable> iftable = klass->GetIfTable();
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for (int i = 0; i < klass->GetIfTableCount(); i++) {
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ObjPtr<mirror::Class> interface = iftable->GetInterface(i);
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ASSERT_TRUE(interface != nullptr);
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if (klass->IsInterface()) {
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EXPECT_EQ(0U, iftable->GetMethodArrayCount(i));
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} else {
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EXPECT_EQ(interface->NumDeclaredVirtualMethods(), iftable->GetMethodArrayCount(i));
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}
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}
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if (klass->IsAbstract()) {
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EXPECT_FALSE(klass->IsFinal());
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} else {
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EXPECT_FALSE(klass->IsAnnotation());
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}
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if (klass->IsFinal()) {
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EXPECT_FALSE(klass->IsAbstract());
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EXPECT_FALSE(klass->IsAnnotation());
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}
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if (klass->IsAnnotation()) {
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EXPECT_FALSE(klass->IsFinal());
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EXPECT_TRUE(klass->IsAbstract());
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}
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EXPECT_FALSE(klass->IsPrimitive());
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EXPECT_TRUE(klass->CanAccess(klass.Get()));
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for (ArtMethod& method : klass->GetDirectMethods(kRuntimePointerSize)) {
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AssertMethod(&method);
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EXPECT_TRUE(method.IsDirect());
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EXPECT_OBJ_PTR_EQ(klass.Get(), method.GetDeclaringClass());
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}
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for (ArtMethod& method : klass->GetDeclaredVirtualMethods(kRuntimePointerSize)) {
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AssertMethod(&method);
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EXPECT_FALSE(method.IsDirect());
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EXPECT_OBJ_PTR_EQ(klass.Get(), method.GetDeclaringClass());
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}
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for (ArtMethod& method : klass->GetCopiedMethods(kRuntimePointerSize)) {
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AssertMethod(&method);
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EXPECT_FALSE(method.IsDirect());
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EXPECT_TRUE(method.IsCopied());
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EXPECT_TRUE(method.GetDeclaringClass()->IsInterface())
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<< "declaring class: " << method.GetDeclaringClass()->PrettyClass();
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EXPECT_TRUE(method.GetDeclaringClass()->IsAssignableFrom(klass.Get()))
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<< "declaring class: " << method.GetDeclaringClass()->PrettyClass();
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}
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for (size_t i = 0; i < klass->NumInstanceFields(); i++) {
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ArtField* field = klass->GetInstanceField(i);
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AssertField(klass.Get(), field);
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EXPECT_FALSE(field->IsStatic());
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}
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for (size_t i = 0; i < klass->NumStaticFields(); i++) {
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ArtField* field = klass->GetStaticField(i);
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AssertField(klass.Get(), field);
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EXPECT_TRUE(field->IsStatic());
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}
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// Confirm that all instances field offsets are packed together at the start.
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EXPECT_GE(klass->NumInstanceFields(), klass->NumReferenceInstanceFields());
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MemberOffset start_ref_offset = klass->GetFirstReferenceInstanceFieldOffset();
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MemberOffset end_ref_offset(start_ref_offset.Uint32Value() +
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klass->NumReferenceInstanceFields() *
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sizeof(mirror::HeapReference<mirror::Object>));
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MemberOffset current_ref_offset = start_ref_offset;
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for (size_t i = 0; i < klass->NumInstanceFields(); i++) {
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ArtField* field = klass->GetInstanceField(i);
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ObjPtr<mirror::Class> field_type = field->ResolveType();
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ASSERT_TRUE(field_type != nullptr);
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if (!field->IsPrimitiveType()) {
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ASSERT_TRUE(!field_type->IsPrimitive());
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ASSERT_EQ(current_ref_offset.Uint32Value(), field->GetOffset().Uint32Value());
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if (current_ref_offset.Uint32Value() == end_ref_offset.Uint32Value()) {
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// While Reference.referent is not primitive, the ClassLinker
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// treats it as such so that the garbage collector won't scan it.
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EXPECT_EQ(field->PrettyField(), "java.lang.Object java.lang.ref.Reference.referent");
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} else {
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current_ref_offset = MemberOffset(current_ref_offset.Uint32Value() +
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sizeof(mirror::HeapReference<mirror::Object>));
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}
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} else {
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if (field->GetOffset().Uint32Value() < end_ref_offset.Uint32Value()) {
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// Shuffled before references.
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ASSERT_LT(field->GetOffset().Uint32Value(), start_ref_offset.Uint32Value());
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CHECK(!IsAligned<4>(field->GetOffset().Uint32Value()));
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}
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}
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}
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ASSERT_EQ(end_ref_offset.Uint32Value(), current_ref_offset.Uint32Value());
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uint32_t total_num_reference_instance_fields = 0;
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ObjPtr<mirror::Class> k = klass.Get();
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while (k != nullptr) {
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total_num_reference_instance_fields += k->NumReferenceInstanceFields();
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k = k->GetSuperClass();
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}
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EXPECT_GE(total_num_reference_instance_fields, 1U); // Should always have Object's class.
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if (klass->GetReferenceInstanceOffsets() != mirror::Class::kClassWalkSuper) {
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// The reference instance offsets have a bit set for each reference offset.
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// +1 for Object's class.
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EXPECT_EQ(static_cast<uint32_t>(POPCOUNT(klass->GetReferenceInstanceOffsets())) + 1,
|
|
total_num_reference_instance_fields);
|
|
}
|
|
}
|
|
|
|
void AssertDexFileClass(ObjPtr<mirror::ClassLoader> class_loader, const std::string& descriptor)
|
|
REQUIRES_SHARED(Locks::mutator_lock_) {
|
|
ASSERT_FALSE(descriptor.empty());
|
|
Thread* self = Thread::Current();
|
|
StackHandleScope<1> hs(self);
|
|
Handle<mirror::Class> klass(
|
|
hs.NewHandle(class_linker_->FindSystemClass(self, descriptor.c_str())));
|
|
ASSERT_TRUE(klass != nullptr);
|
|
std::string temp;
|
|
EXPECT_STREQ(descriptor.c_str(), klass->GetDescriptor(&temp));
|
|
EXPECT_OBJ_PTR_EQ(class_loader, klass->GetClassLoader());
|
|
if (klass->IsPrimitive()) {
|
|
AssertPrimitiveClass(descriptor, klass.Get());
|
|
} else if (klass->IsArrayClass()) {
|
|
AssertArrayClass(descriptor, klass);
|
|
} else {
|
|
AssertClass(descriptor, klass);
|
|
}
|
|
}
|
|
|
|
void AssertDexFile(const DexFile& dex, ObjPtr<mirror::ClassLoader> class_loader)
|
|
REQUIRES_SHARED(Locks::mutator_lock_) {
|
|
// Verify all the classes defined in this file
|
|
for (size_t i = 0; i < dex.NumClassDefs(); i++) {
|
|
const dex::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 dex::TypeId& type_id = dex.GetTypeId(dex::TypeIndex(i));
|
|
const char* descriptor = dex.GetTypeDescriptor(type_id);
|
|
AssertDexFileClass(class_loader, descriptor);
|
|
}
|
|
TestRootVisitor visitor;
|
|
class_linker_->VisitRoots(&visitor, kVisitRootFlagAllRoots);
|
|
}
|
|
|
|
class TestRootVisitor : public SingleRootVisitor {
|
|
public:
|
|
void VisitRoot(mirror::Object* root, const RootInfo& info ATTRIBUTE_UNUSED) override {
|
|
EXPECT_TRUE(root != nullptr);
|
|
}
|
|
};
|
|
};
|
|
|
|
class ClassLinkerMethodHandlesTest : public ClassLinkerTest {
|
|
protected:
|
|
void SetUpRuntimeOptions(RuntimeOptions* options) override {
|
|
CommonRuntimeTest::SetUpRuntimeOptions(options);
|
|
}
|
|
};
|
|
|
|
struct CheckOffset {
|
|
size_t cpp_offset;
|
|
const char* java_name;
|
|
CheckOffset(size_t c, const char* j) : cpp_offset(c), java_name(j) {}
|
|
};
|
|
|
|
template <typename T>
|
|
struct CheckOffsets {
|
|
CheckOffsets(bool is_static_in, const char* class_descriptor_in)
|
|
: is_static(is_static_in), class_descriptor(class_descriptor_in) {}
|
|
bool is_static;
|
|
std::string class_descriptor;
|
|
std::vector<CheckOffset> offsets;
|
|
|
|
bool Check() REQUIRES_SHARED(Locks::mutator_lock_) {
|
|
Thread* self = Thread::Current();
|
|
ObjPtr<mirror::Class> klass =
|
|
Runtime::Current()->GetClassLinker()->FindSystemClass(self, class_descriptor.c_str());
|
|
CHECK(klass != nullptr) << class_descriptor;
|
|
CHECK(klass->IsMirrored()) << class_descriptor;
|
|
|
|
bool error = false;
|
|
|
|
// Classes have a different size due to padding field. Strings are variable length.
|
|
if (!klass->IsClassClass() && !klass->IsStringClass() && !is_static) {
|
|
// The RoundUp is required for some mirror classes that have a gap at the end,
|
|
// such as AccessibleObject, ByteArrayViewVarHandle and ByteBufferViewVarHandle.
|
|
// For example, the AccessibleObject has size 9 according to the class linker.
|
|
// However, the C++ sizeof(AccessibleObject) is 12 bytes due to alignment, even
|
|
// though members in C++ subclasses are actually starting at offset 9.
|
|
//
|
|
// TODO: We could define a subclass with a `uint8_t` member and check its offset instead.
|
|
static constexpr size_t kPackAlignment = 4;
|
|
size_t expected_size = RoundUp(klass->GetObjectSize(), kPackAlignment);
|
|
if (sizeof(T) != expected_size) {
|
|
LOG(ERROR) << "Class size mismatch:"
|
|
<< " class=" << class_descriptor
|
|
<< " Java=" << expected_size
|
|
<< " C++=" << sizeof(T);
|
|
error = true;
|
|
}
|
|
}
|
|
|
|
size_t num_fields = is_static ? klass->NumStaticFields() : klass->NumInstanceFields();
|
|
if (offsets.size() != num_fields) {
|
|
LOG(ERROR) << "Field count mismatch:"
|
|
<< " class=" << class_descriptor
|
|
<< " Java=" << num_fields
|
|
<< " C++=" << offsets.size();
|
|
error = true;
|
|
}
|
|
|
|
for (size_t i = 0; i < offsets.size(); i++) {
|
|
ArtField* field = is_static ? klass->GetStaticField(i) : klass->GetInstanceField(i);
|
|
std::string_view field_name(field->GetName());
|
|
if (field_name != offsets[i].java_name) {
|
|
error = true;
|
|
}
|
|
}
|
|
if (error) {
|
|
for (size_t i = 0; i < offsets.size(); i++) {
|
|
CheckOffset& offset = offsets[i];
|
|
ArtField* field = is_static ? klass->GetStaticField(i) : klass->GetInstanceField(i);
|
|
std::string_view field_name(field->GetName());
|
|
if (field_name != offsets[i].java_name) {
|
|
LOG(ERROR) << "JAVA FIELD ORDER MISMATCH NEXT LINE:";
|
|
}
|
|
LOG(ERROR) << "Java field order:"
|
|
<< " i=" << i << " class=" << class_descriptor
|
|
<< " Java=" << field_name
|
|
<< " CheckOffsets=" << offset.java_name;
|
|
}
|
|
}
|
|
|
|
for (size_t i = 0; i < offsets.size(); i++) {
|
|
CheckOffset& offset = offsets[i];
|
|
ArtField* field = is_static ? klass->GetStaticField(i) : klass->GetInstanceField(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];
|
|
ArtField* field = is_static ? klass->GetStaticField(i) : klass->GetInstanceField(i);
|
|
if (field->GetOffset().Uint32Value() != offset.cpp_offset) {
|
|
LOG(ERROR) << "OFFSET MISMATCH NEXT LINE:";
|
|
}
|
|
LOG(ERROR) << "Offset: class=" << class_descriptor << " field=" << offset.java_name
|
|
<< " Java=" << field->GetOffset().Uint32Value() << " C++=" << offset.cpp_offset;
|
|
}
|
|
}
|
|
|
|
return !error;
|
|
};
|
|
|
|
void addOffset(size_t offset, const char* name) {
|
|
offsets.push_back(CheckOffset(offset, name));
|
|
}
|
|
|
|
private:
|
|
DISALLOW_IMPLICIT_CONSTRUCTORS(CheckOffsets);
|
|
};
|
|
|
|
// Note that ClassLinkerTest.ValidateFieldOrderOfJavaCppUnionClasses
|
|
// is first since if it is failing, others are unlikely to succeed.
|
|
|
|
struct ObjectOffsets : public CheckOffsets<mirror::Object> {
|
|
ObjectOffsets() : CheckOffsets<mirror::Object>(false, "Ljava/lang/Object;") {
|
|
addOffset(OFFSETOF_MEMBER(mirror::Object, klass_), "shadow$_klass_");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Object, monitor_), "shadow$_monitor_");
|
|
#ifdef USE_BROOKS_READ_BARRIER
|
|
addOffset(OFFSETOF_MEMBER(mirror::Object, x_rb_ptr_), "shadow$_x_rb_ptr_");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Object, x_xpadding_), "shadow$_x_xpadding_");
|
|
#endif
|
|
}
|
|
};
|
|
|
|
struct ClassOffsets : public CheckOffsets<mirror::Class> {
|
|
ClassOffsets() : CheckOffsets<mirror::Class>(false, "Ljava/lang/Class;") {
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, access_flags_), "accessFlags");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, class_flags_), "classFlags");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, class_loader_), "classLoader");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, class_size_), "classSize");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, clinit_thread_id_), "clinitThreadId");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, component_type_), "componentType");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, copied_methods_offset_), "copiedMethodsOffset");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, dex_cache_), "dexCache");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, dex_class_def_idx_), "dexClassDefIndex");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, dex_type_idx_), "dexTypeIndex");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, ext_data_), "extData");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, ifields_), "iFields");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, iftable_), "ifTable");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, methods_), "methods");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, name_), "name");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, num_reference_instance_fields_),
|
|
"numReferenceInstanceFields");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, num_reference_static_fields_),
|
|
"numReferenceStaticFields");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, object_size_), "objectSize");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, object_size_alloc_fast_path_),
|
|
"objectSizeAllocFastPath");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, primitive_type_), "primitiveType");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, reference_instance_offsets_),
|
|
"referenceInstanceOffsets");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, sfields_), "sFields");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, status_), "status");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, super_class_), "superClass");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, virtual_methods_offset_), "virtualMethodsOffset");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Class, vtable_), "vtable");
|
|
}
|
|
};
|
|
|
|
struct ClassExtOffsets : public CheckOffsets<mirror::ClassExt> {
|
|
ClassExtOffsets() : CheckOffsets<mirror::ClassExt>(false, "Ldalvik/system/ClassExt;") {
|
|
addOffset(OFFSETOF_MEMBER(mirror::ClassExt, instance_jfield_ids_), "instanceJfieldIDs");
|
|
addOffset(OFFSETOF_MEMBER(mirror::ClassExt, jmethod_ids_), "jmethodIDs");
|
|
addOffset(OFFSETOF_MEMBER(mirror::ClassExt, obsolete_class_), "obsoleteClass");
|
|
addOffset(OFFSETOF_MEMBER(mirror::ClassExt, obsolete_dex_caches_), "obsoleteDexCaches");
|
|
addOffset(OFFSETOF_MEMBER(mirror::ClassExt, obsolete_methods_), "obsoleteMethods");
|
|
addOffset(OFFSETOF_MEMBER(mirror::ClassExt, original_dex_file_), "originalDexFile");
|
|
addOffset(OFFSETOF_MEMBER(mirror::ClassExt, pre_redefine_class_def_index_),
|
|
"preRedefineClassDefIndex");
|
|
addOffset(OFFSETOF_MEMBER(mirror::ClassExt, pre_redefine_dex_file_ptr_),
|
|
"preRedefineDexFilePtr");
|
|
addOffset(OFFSETOF_MEMBER(mirror::ClassExt, static_jfield_ids_), "staticJfieldIDs");
|
|
addOffset(OFFSETOF_MEMBER(mirror::ClassExt, verify_error_), "verifyError");
|
|
}
|
|
};
|
|
|
|
struct StringOffsets : public CheckOffsets<mirror::String> {
|
|
StringOffsets() : CheckOffsets<mirror::String>(false, "Ljava/lang/String;") {
|
|
addOffset(OFFSETOF_MEMBER(mirror::String, count_), "count");
|
|
addOffset(OFFSETOF_MEMBER(mirror::String, hash_code_), "hash");
|
|
}
|
|
};
|
|
|
|
struct ThrowableOffsets : public CheckOffsets<mirror::Throwable> {
|
|
ThrowableOffsets() : CheckOffsets<mirror::Throwable>(false, "Ljava/lang/Throwable;") {
|
|
addOffset(OFFSETOF_MEMBER(mirror::Throwable, backtrace_), "backtrace");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Throwable, cause_), "cause");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Throwable, detail_message_), "detailMessage");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Throwable, stack_trace_), "stackTrace");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Throwable, suppressed_exceptions_), "suppressedExceptions");
|
|
}
|
|
};
|
|
|
|
struct StackTraceElementOffsets : public CheckOffsets<mirror::StackTraceElement> {
|
|
StackTraceElementOffsets() : CheckOffsets<mirror::StackTraceElement>(
|
|
false, "Ljava/lang/StackTraceElement;") {
|
|
addOffset(OFFSETOF_MEMBER(mirror::StackTraceElement, declaring_class_), "declaringClass");
|
|
addOffset(OFFSETOF_MEMBER(mirror::StackTraceElement, file_name_), "fileName");
|
|
addOffset(OFFSETOF_MEMBER(mirror::StackTraceElement, line_number_), "lineNumber");
|
|
addOffset(OFFSETOF_MEMBER(mirror::StackTraceElement, method_name_), "methodName");
|
|
}
|
|
};
|
|
|
|
struct ClassLoaderOffsets : public CheckOffsets<mirror::ClassLoader> {
|
|
ClassLoaderOffsets() : CheckOffsets<mirror::ClassLoader>(false, "Ljava/lang/ClassLoader;") {
|
|
addOffset(OFFSETOF_MEMBER(mirror::ClassLoader, allocator_), "allocator");
|
|
addOffset(OFFSETOF_MEMBER(mirror::ClassLoader, class_table_), "classTable");
|
|
addOffset(OFFSETOF_MEMBER(mirror::ClassLoader, packages_), "packages");
|
|
addOffset(OFFSETOF_MEMBER(mirror::ClassLoader, parent_), "parent");
|
|
addOffset(OFFSETOF_MEMBER(mirror::ClassLoader, proxyCache_), "proxyCache");
|
|
}
|
|
};
|
|
|
|
struct ProxyOffsets : public CheckOffsets<mirror::Proxy> {
|
|
ProxyOffsets() : CheckOffsets<mirror::Proxy>(false, "Ljava/lang/reflect/Proxy;") {
|
|
addOffset(OFFSETOF_MEMBER(mirror::Proxy, h_), "h");
|
|
}
|
|
};
|
|
|
|
struct DexCacheOffsets : public CheckOffsets<mirror::DexCache> {
|
|
DexCacheOffsets() : CheckOffsets<mirror::DexCache>(false, "Ljava/lang/DexCache;") {
|
|
addOffset(OFFSETOF_MEMBER(mirror::DexCache, class_loader_), "classLoader");
|
|
addOffset(OFFSETOF_MEMBER(mirror::DexCache, dex_file_), "dexFile");
|
|
addOffset(OFFSETOF_MEMBER(mirror::DexCache, location_), "location");
|
|
addOffset(OFFSETOF_MEMBER(mirror::DexCache, num_preresolved_strings_), "numPreResolvedStrings");
|
|
addOffset(OFFSETOF_MEMBER(mirror::DexCache, num_resolved_call_sites_), "numResolvedCallSites");
|
|
addOffset(OFFSETOF_MEMBER(mirror::DexCache, num_resolved_fields_), "numResolvedFields");
|
|
addOffset(OFFSETOF_MEMBER(mirror::DexCache, num_resolved_method_types_), "numResolvedMethodTypes");
|
|
addOffset(OFFSETOF_MEMBER(mirror::DexCache, num_resolved_methods_), "numResolvedMethods");
|
|
addOffset(OFFSETOF_MEMBER(mirror::DexCache, num_resolved_types_), "numResolvedTypes");
|
|
addOffset(OFFSETOF_MEMBER(mirror::DexCache, num_strings_), "numStrings");
|
|
addOffset(OFFSETOF_MEMBER(mirror::DexCache, preresolved_strings_), "preResolvedStrings");
|
|
addOffset(OFFSETOF_MEMBER(mirror::DexCache, resolved_call_sites_), "resolvedCallSites");
|
|
addOffset(OFFSETOF_MEMBER(mirror::DexCache, resolved_fields_), "resolvedFields");
|
|
addOffset(OFFSETOF_MEMBER(mirror::DexCache, resolved_method_types_), "resolvedMethodTypes");
|
|
addOffset(OFFSETOF_MEMBER(mirror::DexCache, resolved_methods_), "resolvedMethods");
|
|
addOffset(OFFSETOF_MEMBER(mirror::DexCache, resolved_types_), "resolvedTypes");
|
|
addOffset(OFFSETOF_MEMBER(mirror::DexCache, strings_), "strings");
|
|
}
|
|
};
|
|
|
|
struct ReferenceOffsets : public CheckOffsets<mirror::Reference> {
|
|
ReferenceOffsets() : CheckOffsets<mirror::Reference>(false, "Ljava/lang/ref/Reference;") {
|
|
addOffset(OFFSETOF_MEMBER(mirror::Reference, pending_next_), "pendingNext");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Reference, queue_), "queue");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Reference, queue_next_), "queueNext");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Reference, referent_), "referent");
|
|
}
|
|
};
|
|
|
|
struct FinalizerReferenceOffsets : public CheckOffsets<mirror::FinalizerReference> {
|
|
FinalizerReferenceOffsets() : CheckOffsets<mirror::FinalizerReference>(
|
|
false, "Ljava/lang/ref/FinalizerReference;") {
|
|
addOffset(OFFSETOF_MEMBER(mirror::FinalizerReference, next_), "next");
|
|
addOffset(OFFSETOF_MEMBER(mirror::FinalizerReference, prev_), "prev");
|
|
addOffset(OFFSETOF_MEMBER(mirror::FinalizerReference, zombie_), "zombie");
|
|
}
|
|
};
|
|
|
|
struct AccessibleObjectOffsets : public CheckOffsets<mirror::AccessibleObject> {
|
|
AccessibleObjectOffsets() : CheckOffsets<mirror::AccessibleObject>(
|
|
false, "Ljava/lang/reflect/AccessibleObject;") {
|
|
addOffset(mirror::AccessibleObject::FlagOffset().Uint32Value(), "override");
|
|
}
|
|
};
|
|
|
|
struct FieldOffsets : public CheckOffsets<mirror::Field> {
|
|
FieldOffsets() : CheckOffsets<mirror::Field>(false, "Ljava/lang/reflect/Field;") {
|
|
addOffset(OFFSETOF_MEMBER(mirror::Field, access_flags_), "accessFlags");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Field, art_field_index_), "artFieldIndex");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Field, declaring_class_), "declaringClass");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Field, offset_), "offset");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Field, type_), "type");
|
|
}
|
|
};
|
|
|
|
struct ExecutableOffsets : public CheckOffsets<mirror::Executable> {
|
|
ExecutableOffsets() : CheckOffsets<mirror::Executable>(
|
|
false, "Ljava/lang/reflect/Executable;") {
|
|
addOffset(OFFSETOF_MEMBER(mirror::Executable, access_flags_), "accessFlags");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Executable, art_method_), "artMethod");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Executable, declaring_class_), "declaringClass");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Executable, declaring_class_of_overridden_method_),
|
|
"declaringClassOfOverriddenMethod");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Executable, dex_method_index_), "dexMethodIndex");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Executable, has_real_parameter_data_),
|
|
"hasRealParameterData");
|
|
addOffset(OFFSETOF_MEMBER(mirror::Executable, parameters_), "parameters");
|
|
}
|
|
};
|
|
|
|
struct MethodTypeOffsets : public CheckOffsets<mirror::MethodType> {
|
|
MethodTypeOffsets() : CheckOffsets<mirror::MethodType>(
|
|
false, "Ljava/lang/invoke/MethodType;") {
|
|
addOffset(OFFSETOF_MEMBER(mirror::MethodType, form_), "form");
|
|
addOffset(OFFSETOF_MEMBER(mirror::MethodType, method_descriptor_), "methodDescriptor");
|
|
addOffset(OFFSETOF_MEMBER(mirror::MethodType, p_types_), "ptypes");
|
|
addOffset(OFFSETOF_MEMBER(mirror::MethodType, r_type_), "rtype");
|
|
addOffset(OFFSETOF_MEMBER(mirror::MethodType, wrap_alt_), "wrapAlt");
|
|
}
|
|
};
|
|
|
|
struct MethodHandleOffsets : public CheckOffsets<mirror::MethodHandle> {
|
|
MethodHandleOffsets() : CheckOffsets<mirror::MethodHandle>(
|
|
false, "Ljava/lang/invoke/MethodHandle;") {
|
|
addOffset(OFFSETOF_MEMBER(mirror::MethodHandle, art_field_or_method_), "artFieldOrMethod");
|
|
addOffset(OFFSETOF_MEMBER(mirror::MethodHandle, cached_spread_invoker_),
|
|
"cachedSpreadInvoker");
|
|
addOffset(OFFSETOF_MEMBER(mirror::MethodHandle, handle_kind_), "handleKind");
|
|
addOffset(OFFSETOF_MEMBER(mirror::MethodHandle, nominal_type_), "nominalType");
|
|
addOffset(OFFSETOF_MEMBER(mirror::MethodHandle, method_type_), "type");
|
|
}
|
|
};
|
|
|
|
struct MethodHandleImplOffsets : public CheckOffsets<mirror::MethodHandleImpl> {
|
|
MethodHandleImplOffsets() : CheckOffsets<mirror::MethodHandleImpl>(
|
|
false, "Ljava/lang/invoke/MethodHandleImpl;") {
|
|
addOffset(OFFSETOF_MEMBER(mirror::MethodHandleImpl, info_), "info");
|
|
}
|
|
};
|
|
|
|
struct MethodHandlesLookupOffsets : public CheckOffsets<mirror::MethodHandlesLookup> {
|
|
MethodHandlesLookupOffsets() : CheckOffsets<mirror::MethodHandlesLookup>(
|
|
false, "Ljava/lang/invoke/MethodHandles$Lookup;") {
|
|
addOffset(OFFSETOF_MEMBER(mirror::MethodHandlesLookup, allowed_modes_), "allowedModes");
|
|
addOffset(OFFSETOF_MEMBER(mirror::MethodHandlesLookup, lookup_class_), "lookupClass");
|
|
}
|
|
};
|
|
|
|
struct EmulatedStackFrameOffsets : public CheckOffsets<mirror::EmulatedStackFrame> {
|
|
EmulatedStackFrameOffsets() : CheckOffsets<mirror::EmulatedStackFrame>(
|
|
false, "Ldalvik/system/EmulatedStackFrame;") {
|
|
addOffset(OFFSETOF_MEMBER(mirror::EmulatedStackFrame, callsite_type_), "callsiteType");
|
|
addOffset(OFFSETOF_MEMBER(mirror::EmulatedStackFrame, references_), "references");
|
|
addOffset(OFFSETOF_MEMBER(mirror::EmulatedStackFrame, stack_frame_), "stackFrame");
|
|
addOffset(OFFSETOF_MEMBER(mirror::EmulatedStackFrame, type_), "type");
|
|
}
|
|
};
|
|
|
|
struct CallSiteOffsets : public CheckOffsets<mirror::CallSite> {
|
|
CallSiteOffsets() : CheckOffsets<mirror::CallSite>(
|
|
false, "Ljava/lang/invoke/CallSite;") {
|
|
addOffset(OFFSETOF_MEMBER(mirror::CallSite, target_), "target");
|
|
}
|
|
};
|
|
|
|
struct VarHandleOffsets : public CheckOffsets<mirror::VarHandle> {
|
|
VarHandleOffsets() : CheckOffsets<mirror::VarHandle>(
|
|
false, "Ljava/lang/invoke/VarHandle;") {
|
|
addOffset(OFFSETOF_MEMBER(mirror::VarHandle, access_modes_bit_mask_), "accessModesBitMask");
|
|
addOffset(OFFSETOF_MEMBER(mirror::VarHandle, coordinate_type0_), "coordinateType0");
|
|
addOffset(OFFSETOF_MEMBER(mirror::VarHandle, coordinate_type1_), "coordinateType1");
|
|
addOffset(OFFSETOF_MEMBER(mirror::VarHandle, var_type_), "varType");
|
|
}
|
|
};
|
|
|
|
struct FieldVarHandleOffsets : public CheckOffsets<mirror::FieldVarHandle> {
|
|
FieldVarHandleOffsets() : CheckOffsets<mirror::FieldVarHandle>(
|
|
false, "Ljava/lang/invoke/FieldVarHandle;") {
|
|
addOffset(OFFSETOF_MEMBER(mirror::FieldVarHandle, art_field_), "artField");
|
|
}
|
|
};
|
|
|
|
struct ArrayElementVarHandleOffsets : public CheckOffsets<mirror::ArrayElementVarHandle> {
|
|
ArrayElementVarHandleOffsets() : CheckOffsets<mirror::ArrayElementVarHandle>(
|
|
false, "Ljava/lang/invoke/ArrayElementVarHandle;") {
|
|
}
|
|
};
|
|
|
|
struct ByteArrayViewVarHandleOffsets : public CheckOffsets<mirror::ByteArrayViewVarHandle> {
|
|
ByteArrayViewVarHandleOffsets() : CheckOffsets<mirror::ByteArrayViewVarHandle>(
|
|
false, "Ljava/lang/invoke/ByteArrayViewVarHandle;") {
|
|
addOffset(OFFSETOF_MEMBER(mirror::ByteArrayViewVarHandle, native_byte_order_),
|
|
"nativeByteOrder");
|
|
}
|
|
};
|
|
|
|
struct ByteBufferViewVarHandleOffsets : public CheckOffsets<mirror::ByteBufferViewVarHandle> {
|
|
ByteBufferViewVarHandleOffsets() : CheckOffsets<mirror::ByteBufferViewVarHandle>(
|
|
false, "Ljava/lang/invoke/ByteBufferViewVarHandle;") {
|
|
addOffset(OFFSETOF_MEMBER(mirror::ByteBufferViewVarHandle, native_byte_order_),
|
|
"nativeByteOrder");
|
|
}
|
|
};
|
|
|
|
// 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) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
EXPECT_TRUE(ObjectOffsets().Check());
|
|
EXPECT_TRUE(ClassOffsets().Check());
|
|
EXPECT_TRUE(ClassExtOffsets().Check());
|
|
EXPECT_TRUE(StringOffsets().Check());
|
|
EXPECT_TRUE(ThrowableOffsets().Check());
|
|
EXPECT_TRUE(StackTraceElementOffsets().Check());
|
|
EXPECT_TRUE(ClassLoaderOffsets().Check());
|
|
EXPECT_TRUE(ProxyOffsets().Check());
|
|
EXPECT_TRUE(DexCacheOffsets().Check());
|
|
EXPECT_TRUE(ReferenceOffsets().Check());
|
|
EXPECT_TRUE(FinalizerReferenceOffsets().Check());
|
|
EXPECT_TRUE(AccessibleObjectOffsets().Check());
|
|
EXPECT_TRUE(FieldOffsets().Check());
|
|
EXPECT_TRUE(ExecutableOffsets().Check());
|
|
EXPECT_TRUE(MethodTypeOffsets().Check());
|
|
EXPECT_TRUE(MethodHandleOffsets().Check());
|
|
EXPECT_TRUE(MethodHandleImplOffsets().Check());
|
|
EXPECT_TRUE(MethodHandlesLookupOffsets().Check());
|
|
EXPECT_TRUE(EmulatedStackFrameOffsets().Check());
|
|
EXPECT_TRUE(CallSiteOffsets().Check());
|
|
EXPECT_TRUE(VarHandleOffsets().Check());
|
|
EXPECT_TRUE(FieldVarHandleOffsets().Check());
|
|
EXPECT_TRUE(ArrayElementVarHandleOffsets().Check());
|
|
EXPECT_TRUE(ByteArrayViewVarHandleOffsets().Check());
|
|
EXPECT_TRUE(ByteBufferViewVarHandleOffsets().Check());
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, FindClassNonexistent) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
AssertNonExistentClass("NoSuchClass;");
|
|
AssertNonExistentClass("LNoSuchClass;");
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, GetDexFiles) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
|
|
jobject jclass_loader = LoadDex("Nested");
|
|
std::vector<const DexFile*> dex_files(GetDexFiles(jclass_loader));
|
|
ASSERT_EQ(dex_files.size(), 1U);
|
|
EXPECT_TRUE(android::base::EndsWith(dex_files[0]->GetLocation(), "Nested.jar"));
|
|
|
|
jobject jclass_loader2 = LoadDex("MultiDex");
|
|
std::vector<const DexFile*> dex_files2(GetDexFiles(jclass_loader2));
|
|
ASSERT_EQ(dex_files2.size(), 2U);
|
|
EXPECT_TRUE(android::base::EndsWith(dex_files2[0]->GetLocation(), "MultiDex.jar"));
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, FindClassNested) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
StackHandleScope<1> hs(soa.Self());
|
|
Handle<mirror::ClassLoader> class_loader(
|
|
hs.NewHandle(soa.Decode<mirror::ClassLoader>(LoadDex("Nested"))));
|
|
|
|
ObjPtr<mirror::Class> outer = class_linker_->FindClass(soa.Self(), "LNested;", class_loader);
|
|
ASSERT_TRUE(outer != nullptr);
|
|
EXPECT_EQ(0U, outer->NumVirtualMethods());
|
|
EXPECT_EQ(1U, outer->NumDirectMethods());
|
|
|
|
ObjPtr<mirror::Class> inner =
|
|
class_linker_->FindClass(soa.Self(), "LNested$Inner;", class_loader);
|
|
ASSERT_TRUE(inner != nullptr);
|
|
EXPECT_EQ(0U, inner->NumVirtualMethods());
|
|
EXPECT_EQ(1U, inner->NumDirectMethods());
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, FindClass_Primitives) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
const std::string expected("BCDFIJSZV");
|
|
for (int ch = 1; ch < 256; ++ch) {
|
|
std::string descriptor;
|
|
descriptor.push_back(ch);
|
|
if (expected.find(ch) == std::string::npos) {
|
|
AssertNonExistentClass(descriptor);
|
|
} else {
|
|
AssertPrimitiveClass(descriptor);
|
|
}
|
|
}
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, FindClass) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
StackHandleScope<2> hs(soa.Self());
|
|
Handle<mirror::Class> JavaLangObject = hs.NewHandle(
|
|
class_linker_->FindSystemClass(soa.Self(), "Ljava/lang/Object;"));
|
|
AssertObjectClass(JavaLangObject.Get());
|
|
|
|
Handle<mirror::ClassLoader> class_loader(
|
|
hs.NewHandle(soa.Decode<mirror::ClassLoader>(LoadDex("MyClass"))));
|
|
AssertNonExistentClass("LMyClass;");
|
|
ObjPtr<mirror::Class> MyClass = class_linker_->FindClass(soa.Self(), "LMyClass;", class_loader);
|
|
ASSERT_TRUE(MyClass != nullptr);
|
|
ASSERT_TRUE(MyClass->GetClass() != nullptr);
|
|
ASSERT_OBJ_PTR_EQ(MyClass->GetClass(), MyClass->GetClass()->GetClass());
|
|
EXPECT_OBJ_PTR_EQ(JavaLangObject.Get(), MyClass->GetClass()->GetSuperClass());
|
|
std::string temp;
|
|
ASSERT_STREQ(MyClass->GetDescriptor(&temp), "LMyClass;");
|
|
EXPECT_OBJ_PTR_EQ(MyClass->GetSuperClass(), JavaLangObject.Get());
|
|
EXPECT_TRUE(MyClass->HasSuperClass());
|
|
EXPECT_OBJ_PTR_EQ(class_loader.Get(), MyClass->GetClassLoader());
|
|
EXPECT_EQ(ClassStatus::kResolved, MyClass->GetStatus());
|
|
EXPECT_FALSE(MyClass->IsErroneous());
|
|
EXPECT_TRUE(MyClass->IsLoaded());
|
|
EXPECT_TRUE(MyClass->IsResolved());
|
|
EXPECT_FALSE(MyClass->IsErroneousResolved());
|
|
EXPECT_FALSE(MyClass->IsVerified());
|
|
EXPECT_FALSE(MyClass->IsInitialized());
|
|
EXPECT_FALSE(MyClass->IsArrayInstance());
|
|
EXPECT_FALSE(MyClass->IsArrayClass());
|
|
EXPECT_TRUE(MyClass->GetComponentType() == nullptr);
|
|
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->NumDirectInterfaces());
|
|
|
|
EXPECT_OBJ_PTR_EQ(JavaLangObject->GetClass()->GetClass(), MyClass->GetClass()->GetClass());
|
|
|
|
// created by class_linker
|
|
AssertArrayClass("[C", "C", nullptr);
|
|
AssertArrayClass("[Ljava/lang/Object;", "Ljava/lang/Object;", nullptr);
|
|
// synthesized on the fly
|
|
AssertArrayClass("[[C", "[C", nullptr);
|
|
AssertArrayClass("[[[LMyClass;", "[[LMyClass;", class_loader.Get());
|
|
// or not available at all
|
|
AssertNonExistentClass("[[[[LNonExistentClass;");
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, LookupResolvedType) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
StackHandleScope<1> hs(soa.Self());
|
|
Handle<mirror::ClassLoader> class_loader(
|
|
hs.NewHandle(soa.Decode<mirror::ClassLoader>(LoadDex("MyClass"))));
|
|
AssertNonExistentClass("LMyClass;");
|
|
ObjPtr<mirror::Class> klass = class_linker_->FindClass(soa.Self(), "LMyClass;", class_loader);
|
|
dex::TypeIndex type_idx = klass->GetClassDef()->class_idx_;
|
|
ObjPtr<mirror::DexCache> dex_cache = klass->GetDexCache();
|
|
EXPECT_OBJ_PTR_EQ(
|
|
class_linker_->LookupResolvedType(type_idx, dex_cache, class_loader.Get()),
|
|
klass);
|
|
// Zero out the resolved type and make sure LookupResolvedType still finds it.
|
|
dex_cache->ClearResolvedType(type_idx);
|
|
EXPECT_TRUE(dex_cache->GetResolvedType(type_idx) == nullptr);
|
|
EXPECT_OBJ_PTR_EQ(
|
|
class_linker_->LookupResolvedType(type_idx, dex_cache, class_loader.Get()),
|
|
klass);
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, LookupResolvedTypeArray) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
StackHandleScope<2> hs(soa.Self());
|
|
Handle<mirror::ClassLoader> class_loader(
|
|
hs.NewHandle(soa.Decode<mirror::ClassLoader>(LoadDex("AllFields"))));
|
|
// Get the AllFields class for the dex cache and dex file.
|
|
ObjPtr<mirror::Class> all_fields_klass
|
|
= class_linker_->FindClass(soa.Self(), "LAllFields;", class_loader);
|
|
ASSERT_TRUE(all_fields_klass != nullptr);
|
|
Handle<mirror::DexCache> dex_cache = hs.NewHandle(all_fields_klass->GetDexCache());
|
|
const DexFile& dex_file = *dex_cache->GetDexFile();
|
|
// Get the index of the array class we want to test.
|
|
const dex::TypeId* array_id = dex_file.FindTypeId("[Ljava/lang/Object;");
|
|
ASSERT_TRUE(array_id != nullptr);
|
|
dex::TypeIndex array_idx = dex_file.GetIndexForTypeId(*array_id);
|
|
// Check that the array class wasn't resolved yet.
|
|
EXPECT_TRUE(
|
|
class_linker_->LookupResolvedType(array_idx, dex_cache.Get(), class_loader.Get()) == nullptr);
|
|
// Resolve the array class we want to test.
|
|
ObjPtr<mirror::Class> array_klass
|
|
= class_linker_->FindClass(soa.Self(), "[Ljava/lang/Object;", class_loader);
|
|
ASSERT_TRUE(array_klass != nullptr);
|
|
// Test that LookupResolvedType() finds the array class.
|
|
EXPECT_OBJ_PTR_EQ(
|
|
class_linker_->LookupResolvedType(array_idx, dex_cache.Get(), class_loader.Get()),
|
|
array_klass);
|
|
// Zero out the resolved type and make sure LookupResolvedType() still finds it.
|
|
dex_cache->ClearResolvedType(array_idx);
|
|
EXPECT_TRUE(dex_cache->GetResolvedType(array_idx) == nullptr);
|
|
EXPECT_OBJ_PTR_EQ(
|
|
class_linker_->LookupResolvedType(array_idx, dex_cache.Get(), class_loader.Get()),
|
|
array_klass);
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, LookupResolvedTypeErroneousInit) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
StackHandleScope<3> hs(soa.Self());
|
|
Handle<mirror::ClassLoader> class_loader(
|
|
hs.NewHandle(soa.Decode<mirror::ClassLoader>(LoadDex("ErroneousInit"))));
|
|
AssertNonExistentClass("LErroneousInit;");
|
|
Handle<mirror::Class> klass =
|
|
hs.NewHandle(class_linker_->FindClass(soa.Self(), "LErroneousInit;", class_loader));
|
|
ASSERT_TRUE(klass != nullptr);
|
|
dex::TypeIndex type_idx = klass->GetClassDef()->class_idx_;
|
|
Handle<mirror::DexCache> dex_cache = hs.NewHandle(klass->GetDexCache());
|
|
EXPECT_OBJ_PTR_EQ(
|
|
class_linker_->LookupResolvedType(type_idx, dex_cache.Get(), class_loader.Get()),
|
|
klass.Get());
|
|
// Zero out the resolved type and make sure LookupResolvedType still finds it.
|
|
dex_cache->ClearResolvedType(type_idx);
|
|
EXPECT_TRUE(dex_cache->GetResolvedType(type_idx) == nullptr);
|
|
EXPECT_OBJ_PTR_EQ(
|
|
class_linker_->LookupResolvedType(type_idx, dex_cache.Get(), class_loader.Get()),
|
|
klass.Get());
|
|
// Force initialization to turn the class erroneous.
|
|
bool initialized = class_linker_->EnsureInitialized(soa.Self(),
|
|
klass,
|
|
/* can_init_fields= */ true,
|
|
/* can_init_parents= */ true);
|
|
EXPECT_FALSE(initialized);
|
|
EXPECT_TRUE(soa.Self()->IsExceptionPending());
|
|
soa.Self()->ClearException();
|
|
// Check that the LookupResolvedType() can still find the resolved type.
|
|
EXPECT_OBJ_PTR_EQ(
|
|
class_linker_->LookupResolvedType(type_idx, dex_cache.Get(), class_loader.Get()),
|
|
klass.Get());
|
|
// Zero out the resolved type and make sure LookupResolvedType() still finds it.
|
|
dex_cache->ClearResolvedType(type_idx);
|
|
EXPECT_TRUE(dex_cache->GetResolvedType(type_idx) == nullptr);
|
|
EXPECT_OBJ_PTR_EQ(
|
|
class_linker_->LookupResolvedType(type_idx, dex_cache.Get(), class_loader.Get()),
|
|
klass.Get());
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, LibCore) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
ASSERT_TRUE(java_lang_dex_file_ != nullptr);
|
|
AssertDexFile(*java_lang_dex_file_, nullptr);
|
|
}
|
|
|
|
// The first reference array element must be a multiple of 4 bytes from the
|
|
// start of the object
|
|
TEST_F(ClassLinkerTest, ValidateObjectArrayElementsOffset) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
ObjPtr<mirror::Class> array_class =
|
|
class_linker_->FindSystemClass(soa.Self(), "[Ljava/lang/String;");
|
|
ObjPtr<mirror::ObjectArray<mirror::String>> array =
|
|
mirror::ObjectArray<mirror::String>::Alloc(soa.Self(), array_class, 0);
|
|
uintptr_t data_offset =
|
|
reinterpret_cast<uintptr_t>(array->GetRawData(sizeof(mirror::HeapReference<mirror::String>),
|
|
0));
|
|
if (sizeof(mirror::HeapReference<mirror::String>) == sizeof(int32_t)) {
|
|
EXPECT_TRUE(IsAligned<4>(data_offset)); // Check 4 byte alignment.
|
|
} else {
|
|
EXPECT_TRUE(IsAligned<8>(data_offset)); // Check 8 byte alignment.
|
|
}
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, ValidatePrimitiveArrayElementsOffset) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
StackHandleScope<5> hs(soa.Self());
|
|
Handle<mirror::LongArray> long_array(hs.NewHandle(mirror::LongArray::Alloc(soa.Self(), 0)));
|
|
EXPECT_OBJ_PTR_EQ(class_linker_->FindSystemClass(soa.Self(), "[J"), long_array->GetClass());
|
|
uintptr_t data_offset = reinterpret_cast<uintptr_t>(long_array->GetData());
|
|
EXPECT_TRUE(IsAligned<8>(data_offset)); // Longs require 8 byte alignment
|
|
|
|
Handle<mirror::DoubleArray> double_array(hs.NewHandle(mirror::DoubleArray::Alloc(soa.Self(), 0)));
|
|
EXPECT_OBJ_PTR_EQ(class_linker_->FindSystemClass(soa.Self(), "[D"), double_array->GetClass());
|
|
data_offset = reinterpret_cast<uintptr_t>(double_array->GetData());
|
|
EXPECT_TRUE(IsAligned<8>(data_offset)); // Doubles require 8 byte alignment
|
|
|
|
Handle<mirror::IntArray> int_array(hs.NewHandle(mirror::IntArray::Alloc(soa.Self(), 0)));
|
|
EXPECT_OBJ_PTR_EQ(class_linker_->FindSystemClass(soa.Self(), "[I"), int_array->GetClass());
|
|
data_offset = reinterpret_cast<uintptr_t>(int_array->GetData());
|
|
EXPECT_TRUE(IsAligned<4>(data_offset)); // Ints require 4 byte alignment
|
|
|
|
Handle<mirror::CharArray> char_array(hs.NewHandle(mirror::CharArray::Alloc(soa.Self(), 0)));
|
|
EXPECT_OBJ_PTR_EQ(class_linker_->FindSystemClass(soa.Self(), "[C"), char_array->GetClass());
|
|
data_offset = reinterpret_cast<uintptr_t>(char_array->GetData());
|
|
EXPECT_TRUE(IsAligned<2>(data_offset)); // Chars require 2 byte alignment
|
|
|
|
Handle<mirror::ShortArray> short_array(hs.NewHandle(mirror::ShortArray::Alloc(soa.Self(), 0)));
|
|
EXPECT_OBJ_PTR_EQ(class_linker_->FindSystemClass(soa.Self(), "[S"), short_array->GetClass());
|
|
data_offset = reinterpret_cast<uintptr_t>(short_array->GetData());
|
|
EXPECT_TRUE(IsAligned<2>(data_offset)); // Shorts require 2 byte alignment
|
|
|
|
// Take it as given that bytes and booleans have byte alignment
|
|
}
|
|
|
|
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.
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
ScopedNullHandle<mirror::ClassLoader> class_loader;
|
|
ObjPtr<mirror::Class> c;
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/Boolean;", class_loader);
|
|
EXPECT_STREQ("value", c->GetIFieldsPtr()->At(0).GetName());
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/Byte;", class_loader);
|
|
EXPECT_STREQ("value", c->GetIFieldsPtr()->At(0).GetName());
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/Character;", class_loader);
|
|
EXPECT_STREQ("value", c->GetIFieldsPtr()->At(0).GetName());
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/Double;", class_loader);
|
|
EXPECT_STREQ("value", c->GetIFieldsPtr()->At(0).GetName());
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/Float;", class_loader);
|
|
EXPECT_STREQ("value", c->GetIFieldsPtr()->At(0).GetName());
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/Integer;", class_loader);
|
|
EXPECT_STREQ("value", c->GetIFieldsPtr()->At(0).GetName());
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/Long;", class_loader);
|
|
EXPECT_STREQ("value", c->GetIFieldsPtr()->At(0).GetName());
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/Short;", class_loader);
|
|
EXPECT_STREQ("value", c->GetIFieldsPtr()->At(0).GetName());
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, TwoClassLoadersOneClass) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
StackHandleScope<3> hs(soa.Self());
|
|
Handle<mirror::ClassLoader> class_loader_1(
|
|
hs.NewHandle(soa.Decode<mirror::ClassLoader>(LoadDex("MyClass"))));
|
|
Handle<mirror::ClassLoader> class_loader_2(
|
|
hs.NewHandle(soa.Decode<mirror::ClassLoader>(LoadDex("MyClass"))));
|
|
Handle<mirror::Class> MyClass_1 = hs.NewHandle(
|
|
class_linker_->FindClass(soa.Self(), "LMyClass;", class_loader_1));
|
|
ObjPtr<mirror::Class> MyClass_2 =
|
|
class_linker_->FindClass(soa.Self(), "LMyClass;", class_loader_2);
|
|
EXPECT_TRUE(MyClass_1 != nullptr);
|
|
EXPECT_TRUE(MyClass_2 != nullptr);
|
|
EXPECT_OBJ_PTR_NE(MyClass_1.Get(), MyClass_2);
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, StaticFields) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
StackHandleScope<2> hs(soa.Self());
|
|
Handle<mirror::ClassLoader> class_loader(
|
|
hs.NewHandle(soa.Decode<mirror::ClassLoader>(LoadDex("Statics"))));
|
|
Handle<mirror::Class> statics(
|
|
hs.NewHandle(class_linker_->FindClass(soa.Self(), "LStatics;", class_loader)));
|
|
class_linker_->EnsureInitialized(soa.Self(), statics, true, 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 <clinit> should be null.
|
|
ArtMethod* clinit = statics->FindClassMethod("<clinit>", "()V", kRuntimePointerSize);
|
|
EXPECT_TRUE(clinit == nullptr);
|
|
|
|
EXPECT_EQ(9U, statics->NumStaticFields());
|
|
|
|
ArtField* s0 = mirror::Class::FindStaticField(soa.Self(), statics.Get(), "s0", "Z");
|
|
EXPECT_EQ(s0->GetTypeAsPrimitiveType(), Primitive::kPrimBoolean);
|
|
EXPECT_EQ(true, s0->GetBoolean(statics.Get()));
|
|
s0->SetBoolean<false>(statics.Get(), false);
|
|
|
|
ArtField* s1 = mirror::Class::FindStaticField(soa.Self(), statics.Get(), "s1", "B");
|
|
EXPECT_EQ(s1->GetTypeAsPrimitiveType(), Primitive::kPrimByte);
|
|
EXPECT_EQ(5, s1->GetByte(statics.Get()));
|
|
s1->SetByte<false>(statics.Get(), 6);
|
|
|
|
ArtField* s2 = mirror::Class::FindStaticField(soa.Self(), statics.Get(), "s2", "C");
|
|
EXPECT_EQ(s2->GetTypeAsPrimitiveType(), Primitive::kPrimChar);
|
|
EXPECT_EQ('a', s2->GetChar(statics.Get()));
|
|
s2->SetChar<false>(statics.Get(), 'b');
|
|
|
|
ArtField* s3 = mirror::Class::FindStaticField(soa.Self(), statics.Get(), "s3", "S");
|
|
EXPECT_EQ(s3->GetTypeAsPrimitiveType(), Primitive::kPrimShort);
|
|
EXPECT_EQ(-536, s3->GetShort(statics.Get()));
|
|
s3->SetShort<false>(statics.Get(), -535);
|
|
|
|
ArtField* s4 = mirror::Class::FindStaticField(soa.Self(), statics.Get(), "s4", "I");
|
|
EXPECT_EQ(s4->GetTypeAsPrimitiveType(), Primitive::kPrimInt);
|
|
EXPECT_EQ(2000000000, s4->GetInt(statics.Get()));
|
|
s4->SetInt<false>(statics.Get(), 2000000001);
|
|
|
|
ArtField* s5 = mirror::Class::FindStaticField(soa.Self(), statics.Get(), "s5", "J");
|
|
EXPECT_EQ(s5->GetTypeAsPrimitiveType(), Primitive::kPrimLong);
|
|
EXPECT_EQ(0x1234567890abcdefLL, s5->GetLong(statics.Get()));
|
|
s5->SetLong<false>(statics.Get(), INT64_C(0x34567890abcdef12));
|
|
|
|
ArtField* s6 = mirror::Class::FindStaticField(soa.Self(), statics.Get(), "s6", "F");
|
|
EXPECT_EQ(s6->GetTypeAsPrimitiveType(), Primitive::kPrimFloat);
|
|
EXPECT_DOUBLE_EQ(0.5, s6->GetFloat(statics.Get()));
|
|
s6->SetFloat<false>(statics.Get(), 0.75);
|
|
|
|
ArtField* s7 = mirror::Class::FindStaticField(soa.Self(), statics.Get(), "s7", "D");
|
|
EXPECT_EQ(s7->GetTypeAsPrimitiveType(), Primitive::kPrimDouble);
|
|
EXPECT_DOUBLE_EQ(16777217.0, s7->GetDouble(statics.Get()));
|
|
s7->SetDouble<false>(statics.Get(), 16777219);
|
|
|
|
ArtField* s8 = mirror::Class::FindStaticField(
|
|
soa.Self(), statics.Get(), "s8", "Ljava/lang/String;");
|
|
EXPECT_EQ(s8->GetTypeAsPrimitiveType(), Primitive::kPrimNot);
|
|
EXPECT_TRUE(s8->GetObject(statics.Get())->AsString()->Equals("android"));
|
|
ObjPtr<mirror::String> str_value = mirror::String::AllocFromModifiedUtf8(soa.Self(), "robot");
|
|
s8->SetObject<false>(s8->GetDeclaringClass(), str_value);
|
|
|
|
// TODO: Remove EXPECT_FALSE when GCC can handle EXPECT_EQ
|
|
// http://code.google.com/p/googletest/issues/detail?id=322
|
|
EXPECT_FALSE(s0->GetBoolean(statics.Get()));
|
|
EXPECT_EQ(6, s1->GetByte(statics.Get()));
|
|
EXPECT_EQ('b', s2->GetChar(statics.Get()));
|
|
EXPECT_EQ(-535, s3->GetShort(statics.Get()));
|
|
EXPECT_EQ(2000000001, s4->GetInt(statics.Get()));
|
|
EXPECT_EQ(INT64_C(0x34567890abcdef12), s5->GetLong(statics.Get()));
|
|
EXPECT_FLOAT_EQ(0.75, s6->GetFloat(statics.Get()));
|
|
EXPECT_DOUBLE_EQ(16777219.0, s7->GetDouble(statics.Get()));
|
|
EXPECT_TRUE(s8->GetObject(statics.Get())->AsString()->Equals("robot"));
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, Interfaces) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
StackHandleScope<6> hs(soa.Self());
|
|
Handle<mirror::ClassLoader> class_loader(
|
|
hs.NewHandle(soa.Decode<mirror::ClassLoader>(LoadDex("Interfaces"))));
|
|
Handle<mirror::Class> I(
|
|
hs.NewHandle(class_linker_->FindClass(soa.Self(), "LInterfaces$I;", class_loader)));
|
|
Handle<mirror::Class> J(
|
|
hs.NewHandle(class_linker_->FindClass(soa.Self(), "LInterfaces$J;", class_loader)));
|
|
Handle<mirror::Class> K(
|
|
hs.NewHandle(class_linker_->FindClass(soa.Self(), "LInterfaces$K;", class_loader)));
|
|
Handle<mirror::Class> A(
|
|
hs.NewHandle(class_linker_->FindClass(soa.Self(), "LInterfaces$A;", class_loader)));
|
|
Handle<mirror::Class> B(
|
|
hs.NewHandle(class_linker_->FindClass(soa.Self(), "LInterfaces$B;", class_loader)));
|
|
EXPECT_TRUE(I->IsAssignableFrom(A.Get()));
|
|
EXPECT_TRUE(J->IsAssignableFrom(A.Get()));
|
|
EXPECT_TRUE(J->IsAssignableFrom(K.Get()));
|
|
EXPECT_TRUE(K->IsAssignableFrom(B.Get()));
|
|
EXPECT_TRUE(J->IsAssignableFrom(B.Get()));
|
|
|
|
const std::string_view void_sig("()V");
|
|
ArtMethod* Ii = I->FindClassMethod("i", void_sig, kRuntimePointerSize);
|
|
ArtMethod* Jj1 = J->FindClassMethod("j1", void_sig, kRuntimePointerSize);
|
|
ArtMethod* Jj2 = J->FindClassMethod("j2", void_sig, kRuntimePointerSize);
|
|
ArtMethod* Kj1 = K->FindInterfaceMethod("j1", void_sig, kRuntimePointerSize);
|
|
ArtMethod* Kj2 = K->FindInterfaceMethod("j2", void_sig, kRuntimePointerSize);
|
|
ArtMethod* Kk = K->FindInterfaceMethod("k", void_sig, kRuntimePointerSize);
|
|
ArtMethod* Ai = A->FindClassMethod("i", void_sig, kRuntimePointerSize);
|
|
ArtMethod* Aj1 = A->FindClassMethod("j1", void_sig, kRuntimePointerSize);
|
|
ArtMethod* Aj2 = A->FindClassMethod("j2", void_sig, kRuntimePointerSize);
|
|
ASSERT_TRUE(Ii != nullptr);
|
|
ASSERT_FALSE(Ii->IsDirect());
|
|
ASSERT_TRUE(Jj1 != nullptr);
|
|
ASSERT_FALSE(Jj1->IsDirect());
|
|
ASSERT_TRUE(Jj2 != nullptr);
|
|
ASSERT_FALSE(Jj2->IsDirect());
|
|
ASSERT_TRUE(Kj1 != nullptr);
|
|
ASSERT_TRUE(Kj2 != nullptr);
|
|
ASSERT_TRUE(Kk != nullptr);
|
|
ASSERT_TRUE(Ai != nullptr);
|
|
ASSERT_FALSE(Ai->IsDirect());
|
|
ASSERT_TRUE(Aj1 != nullptr);
|
|
ASSERT_FALSE(Aj1->IsDirect());
|
|
ASSERT_TRUE(Aj2 != nullptr);
|
|
ASSERT_FALSE(Aj2->IsDirect());
|
|
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, kRuntimePointerSize));
|
|
EXPECT_EQ(Aj1, A->FindVirtualMethodForInterface(Jj1, kRuntimePointerSize));
|
|
EXPECT_EQ(Aj2, A->FindVirtualMethodForInterface(Jj2, kRuntimePointerSize));
|
|
EXPECT_EQ(Ai, A->FindVirtualMethodForVirtualOrInterface(Ii, kRuntimePointerSize));
|
|
EXPECT_EQ(Aj1, A->FindVirtualMethodForVirtualOrInterface(Jj1, kRuntimePointerSize));
|
|
EXPECT_EQ(Aj2, A->FindVirtualMethodForVirtualOrInterface(Jj2, kRuntimePointerSize));
|
|
|
|
ArtField* Afoo =
|
|
mirror::Class::FindStaticField(soa.Self(), A.Get(), "foo", "Ljava/lang/String;");
|
|
ArtField* Bfoo =
|
|
mirror::Class::FindStaticField(soa.Self(), B.Get(), "foo", "Ljava/lang/String;");
|
|
ArtField* Jfoo =
|
|
mirror::Class::FindStaticField(soa.Self(), J.Get(), "foo", "Ljava/lang/String;");
|
|
ArtField* Kfoo =
|
|
mirror::Class::FindStaticField(soa.Self(), K.Get(), "foo", "Ljava/lang/String;");
|
|
ASSERT_TRUE(Afoo != nullptr);
|
|
EXPECT_EQ(Afoo, Bfoo);
|
|
EXPECT_EQ(Afoo, Jfoo);
|
|
EXPECT_EQ(Afoo, Kfoo);
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, ResolveVerifyAndClinit) {
|
|
// pretend we are trying to get the static storage for the StaticsFromCode class.
|
|
|
|
// case 1, get the uninitialized storage from StaticsFromCode.<clinit>
|
|
// case 2, get the initialized storage from StaticsFromCode.getS0
|
|
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
jobject jclass_loader = LoadDex("StaticsFromCode");
|
|
const DexFile* dex_file = GetFirstDexFile(jclass_loader);
|
|
StackHandleScope<1> hs(soa.Self());
|
|
Handle<mirror::ClassLoader> class_loader(
|
|
hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader)));
|
|
ObjPtr<mirror::Class> klass =
|
|
class_linker_->FindClass(soa.Self(), "LStaticsFromCode;", class_loader);
|
|
ArtMethod* clinit = klass->FindClassInitializer(kRuntimePointerSize);
|
|
ArtMethod* getS0 =
|
|
klass->FindClassMethod("getS0", "()Ljava/lang/Object;", kRuntimePointerSize);
|
|
ASSERT_TRUE(getS0 != nullptr);
|
|
ASSERT_TRUE(getS0->IsStatic());
|
|
const dex::TypeId* type_id = dex_file->FindTypeId("LStaticsFromCode;");
|
|
ASSERT_TRUE(type_id != nullptr);
|
|
dex::TypeIndex type_idx = dex_file->GetIndexForTypeId(*type_id);
|
|
ObjPtr<mirror::Class> uninit = ResolveVerifyAndClinit(type_idx,
|
|
clinit,
|
|
soa.Self(),
|
|
/* can_run_clinit= */ true,
|
|
/* verify_access= */ false);
|
|
EXPECT_TRUE(uninit != nullptr);
|
|
EXPECT_FALSE(uninit->IsInitialized());
|
|
ObjPtr<mirror::Class> init = ResolveVerifyAndClinit(type_idx,
|
|
getS0,
|
|
soa.Self(),
|
|
/* can_run_clinit= */ true,
|
|
/* verify_access= */ false);
|
|
EXPECT_TRUE(init != nullptr);
|
|
EXPECT_TRUE(init->IsInitialized());
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, ErroneousClass) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
jobject jclass_loader = LoadMultiDex("ErroneousA", "ErroneousB");
|
|
StackHandleScope<1> hs(soa.Self());
|
|
Handle<mirror::ClassLoader> class_loader(
|
|
hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader)));
|
|
hs.Self()->AssertNoPendingException();
|
|
const char* descriptor = "LErroneous;";
|
|
ObjPtr<mirror::Class> klass = class_linker_->FindClass(soa.Self(), descriptor, class_loader);
|
|
// Erronenous since we are extending final class.
|
|
hs.Self()->AssertPendingException();
|
|
EXPECT_TRUE(klass == nullptr);
|
|
klass = class_linker_->LookupClass(soa.Self(), descriptor, class_loader.Get());
|
|
EXPECT_FALSE(klass == nullptr);
|
|
EXPECT_TRUE(klass->IsErroneous());
|
|
EXPECT_TRUE(klass->GetIfTable() != nullptr);
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, FinalizableBit) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
ObjPtr<mirror::Class> c;
|
|
|
|
// Object has a finalize method, but we know it's empty.
|
|
c = class_linker_->FindSystemClass(soa.Self(), "Ljava/lang/Object;");
|
|
EXPECT_FALSE(c->IsFinalizable());
|
|
|
|
// Enum has a finalize method to prevent its subclasses from implementing one.
|
|
c = class_linker_->FindSystemClass(soa.Self(), "Ljava/lang/Enum;");
|
|
EXPECT_FALSE(c->IsFinalizable());
|
|
|
|
// RoundingMode is an enum.
|
|
c = class_linker_->FindSystemClass(soa.Self(), "Ljava/math/RoundingMode;");
|
|
EXPECT_FALSE(c->IsFinalizable());
|
|
|
|
// RandomAccessFile extends Object and overrides finalize.
|
|
c = class_linker_->FindSystemClass(soa.Self(), "Ljava/io/RandomAccessFile;");
|
|
EXPECT_TRUE(c->IsFinalizable());
|
|
|
|
// FileInputStream is finalizable and extends InputStream which isn't.
|
|
c = class_linker_->FindSystemClass(soa.Self(), "Ljava/io/InputStream;");
|
|
EXPECT_FALSE(c->IsFinalizable());
|
|
c = class_linker_->FindSystemClass(soa.Self(), "Ljava/io/FileInputStream;");
|
|
EXPECT_TRUE(c->IsFinalizable());
|
|
|
|
// ScheduledThreadPoolExecutor doesn't have a finalize method but
|
|
// extends ThreadPoolExecutor which does.
|
|
c = class_linker_->FindSystemClass(soa.Self(), "Ljava/util/concurrent/ThreadPoolExecutor;");
|
|
EXPECT_TRUE(c->IsFinalizable());
|
|
c = class_linker_->FindSystemClass(soa.Self(), "Ljava/util/concurrent/ScheduledThreadPoolExecutor;");
|
|
EXPECT_TRUE(c->IsFinalizable());
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, ClassRootDescriptors) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
std::string temp;
|
|
for (size_t i = 0; i < static_cast<size_t>(ClassRoot::kMax); i++) {
|
|
ObjPtr<mirror::Class> klass = GetClassRoot(ClassRoot(i), class_linker_);
|
|
EXPECT_GT(strlen(klass->GetDescriptor(&temp)), 0U);
|
|
EXPECT_STREQ(klass->GetDescriptor(&temp), GetClassRootDescriptor(ClassRoot(i))) << " i = " << i;
|
|
}
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, ValidatePredefinedClassSizes) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
ScopedNullHandle<mirror::ClassLoader> class_loader;
|
|
ObjPtr<mirror::Class> c;
|
|
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/Class;", class_loader);
|
|
ASSERT_TRUE(c != nullptr);
|
|
EXPECT_EQ(c->GetClassSize(), mirror::Class::ClassClassSize(kRuntimePointerSize));
|
|
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/Object;", class_loader);
|
|
ASSERT_TRUE(c != nullptr);
|
|
EXPECT_EQ(c->GetClassSize(), mirror::Object::ClassSize(kRuntimePointerSize));
|
|
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/String;", class_loader);
|
|
ASSERT_TRUE(c != nullptr);
|
|
EXPECT_EQ(c->GetClassSize(), mirror::String::ClassSize(kRuntimePointerSize));
|
|
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/DexCache;", class_loader);
|
|
ASSERT_TRUE(c != nullptr);
|
|
EXPECT_EQ(c->GetClassSize(), mirror::DexCache::ClassSize(kRuntimePointerSize));
|
|
}
|
|
|
|
static void CheckMethod(ArtMethod* method, bool verified)
|
|
REQUIRES_SHARED(Locks::mutator_lock_) {
|
|
if (!method->IsNative() && !method->IsAbstract()) {
|
|
EXPECT_EQ((method->GetAccessFlags() & kAccSkipAccessChecks) != 0U, verified)
|
|
<< method->PrettyMethod(true);
|
|
}
|
|
}
|
|
|
|
static void CheckVerificationAttempted(ObjPtr<mirror::Class> c, bool preverified)
|
|
REQUIRES_SHARED(Locks::mutator_lock_) {
|
|
EXPECT_EQ((c->GetAccessFlags() & kAccVerificationAttempted) != 0U, preverified)
|
|
<< "Class " << mirror::Class::PrettyClass(c) << " not as expected";
|
|
for (auto& m : c->GetMethods(kRuntimePointerSize)) {
|
|
CheckMethod(&m, preverified);
|
|
}
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, Preverified_InitializedBoot) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
|
|
ObjPtr<mirror::Class> JavaLangObject =
|
|
class_linker_->FindSystemClass(soa.Self(), "Ljava/lang/Object;");
|
|
ASSERT_TRUE(JavaLangObject != nullptr);
|
|
EXPECT_TRUE(JavaLangObject->IsInitialized()) << "Not testing already initialized class from the "
|
|
"core";
|
|
CheckVerificationAttempted(JavaLangObject, true);
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, Preverified_UninitializedBoot) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
|
|
StackHandleScope<1> hs(soa.Self());
|
|
|
|
Handle<mirror::Class> security_manager(hs.NewHandle(class_linker_->FindSystemClass(
|
|
soa.Self(), "Ljava/lang/SecurityManager;")));
|
|
EXPECT_FALSE(security_manager->IsInitialized()) << "Not testing uninitialized class from the "
|
|
"core";
|
|
|
|
CheckVerificationAttempted(security_manager.Get(), false);
|
|
|
|
class_linker_->EnsureInitialized(soa.Self(), security_manager, true, true);
|
|
CheckVerificationAttempted(security_manager.Get(), true);
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, Preverified_App) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
|
|
StackHandleScope<2> hs(soa.Self());
|
|
Handle<mirror::ClassLoader> class_loader(
|
|
hs.NewHandle(soa.Decode<mirror::ClassLoader>(LoadDex("Statics"))));
|
|
Handle<mirror::Class> statics(
|
|
hs.NewHandle(class_linker_->FindClass(soa.Self(), "LStatics;", class_loader)));
|
|
|
|
CheckVerificationAttempted(statics.Get(), false);
|
|
|
|
class_linker_->EnsureInitialized(soa.Self(), statics, true, true);
|
|
CheckVerificationAttempted(statics.Get(), true);
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, IsBootStrapClassLoaded) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
|
|
StackHandleScope<3> hs(soa.Self());
|
|
Handle<mirror::ClassLoader> class_loader(
|
|
hs.NewHandle(soa.Decode<mirror::ClassLoader>(LoadDex("Statics"))));
|
|
|
|
// java.lang.Object is a bootstrap class.
|
|
Handle<mirror::Class> jlo_class(
|
|
hs.NewHandle(class_linker_->FindSystemClass(soa.Self(), "Ljava/lang/Object;")));
|
|
ASSERT_TRUE(jlo_class != nullptr);
|
|
EXPECT_TRUE(jlo_class->IsBootStrapClassLoaded());
|
|
|
|
// Statics is not a bootstrap class.
|
|
Handle<mirror::Class> statics(
|
|
hs.NewHandle(class_linker_->FindClass(soa.Self(), "LStatics;", class_loader)));
|
|
ASSERT_TRUE(statics != nullptr);
|
|
EXPECT_FALSE(statics->IsBootStrapClassLoaded());
|
|
}
|
|
|
|
// Regression test for b/26799552.
|
|
TEST_F(ClassLinkerTest, RegisterDexFileName) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
StackHandleScope<2> hs(soa.Self());
|
|
ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
|
|
MutableHandle<mirror::DexCache> dex_cache(hs.NewHandle<mirror::DexCache>(nullptr));
|
|
{
|
|
ReaderMutexLock mu(soa.Self(), *Locks::dex_lock_);
|
|
for (const ClassLinker::DexCacheData& data : class_linker->GetDexCachesData()) {
|
|
dex_cache.Assign(soa.Self()->DecodeJObject(data.weak_root)->AsDexCache());
|
|
if (dex_cache != nullptr) {
|
|
break;
|
|
}
|
|
}
|
|
ASSERT_TRUE(dex_cache != nullptr);
|
|
}
|
|
const uint16_t data[] = { 0x20AC, 0x20A1 };
|
|
Handle<mirror::String> location(hs.NewHandle(mirror::String::AllocFromUtf16(soa.Self(),
|
|
arraysize(data),
|
|
data)));
|
|
const DexFile* old_dex_file = dex_cache->GetDexFile();
|
|
|
|
std::unique_ptr<DexFile> dex_file(new StandardDexFile(old_dex_file->Begin(),
|
|
old_dex_file->Size(),
|
|
location->ToModifiedUtf8(),
|
|
0u,
|
|
nullptr,
|
|
nullptr));
|
|
// Make a copy of the dex cache with changed name.
|
|
LinearAlloc* alloc = Runtime::Current()->GetLinearAlloc();
|
|
dex_cache.Assign(class_linker->AllocAndInitializeDexCache(Thread::Current(), *dex_file, alloc));
|
|
DCHECK_EQ(dex_cache->GetLocation()->CompareTo(location.Get()), 0);
|
|
{
|
|
WriterMutexLock mu(soa.Self(), *Locks::dex_lock_);
|
|
// Check that inserting with a UTF16 name works.
|
|
class_linker->RegisterDexFileLocked(*dex_file, dex_cache.Get(), /* class_loader= */ nullptr);
|
|
}
|
|
}
|
|
|
|
TEST_F(ClassLinkerMethodHandlesTest, TestResolveMethodTypes) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
StackHandleScope<7> hs(soa.Self());
|
|
|
|
Handle<mirror::ClassLoader> class_loader(
|
|
hs.NewHandle(soa.Decode<mirror::ClassLoader>(LoadDex("MethodTypes"))));
|
|
Handle<mirror::Class> method_types(
|
|
hs.NewHandle(class_linker_->FindClass(soa.Self(), "LMethodTypes;", class_loader)));
|
|
class_linker_->EnsureInitialized(soa.Self(), method_types, true, true);
|
|
|
|
ArtMethod* method1 = method_types->FindClassMethod(
|
|
"method1",
|
|
"(Ljava/lang/String;)Ljava/lang/String;",
|
|
kRuntimePointerSize);
|
|
ASSERT_TRUE(method1 != nullptr);
|
|
ASSERT_FALSE(method1->IsDirect());
|
|
|
|
const DexFile& dex_file = *(method1->GetDexFile());
|
|
Handle<mirror::DexCache> dex_cache = hs.NewHandle(
|
|
class_linker_->FindDexCache(soa.Self(), dex_file));
|
|
|
|
const dex::MethodId& method1_id = dex_file.GetMethodId(method1->GetDexMethodIndex());
|
|
|
|
// This is the MethodType corresponding to the prototype of
|
|
// String MethodTypes# method1(String).
|
|
// Its RType = Ljava/lang/String;
|
|
// Its PTypes = { Ljava/lang/String; }
|
|
Handle<mirror::MethodType> method1_type = hs.NewHandle(
|
|
class_linker_->ResolveMethodType(soa.Self(), method1_id.proto_idx_, dex_cache, class_loader));
|
|
|
|
// Assert that the method type was resolved successfully.
|
|
ASSERT_TRUE(method1_type != nullptr);
|
|
|
|
// Assert that the return type and the method arguments are as we expect.
|
|
Handle<mirror::Class> string_class(hs.NewHandle(class_linker_->FindClass(soa.Self(),
|
|
"Ljava/lang/String;",
|
|
class_loader)));
|
|
ASSERT_OBJ_PTR_EQ(string_class.Get(), method1_type->GetRType());
|
|
ASSERT_OBJ_PTR_EQ(string_class.Get(), method1_type->GetPTypes()->Get(0));
|
|
|
|
// Resolve the method type again and assert that we get back the same value.
|
|
Handle<mirror::MethodType> method1_type2 = hs.NewHandle(
|
|
class_linker_->ResolveMethodType(soa.Self(), method1_id.proto_idx_, dex_cache, class_loader));
|
|
ASSERT_OBJ_PTR_EQ(method1_type.Get(), method1_type2.Get());
|
|
|
|
// Resolve the MethodType associated with a different method signature
|
|
// and assert it's different.
|
|
ArtMethod* method2 = method_types->FindClassMethod(
|
|
"method2",
|
|
"(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;",
|
|
kRuntimePointerSize);
|
|
ASSERT_TRUE(method2 != nullptr);
|
|
ASSERT_FALSE(method2->IsDirect());
|
|
const dex::MethodId& method2_id = dex_file.GetMethodId(method2->GetDexMethodIndex());
|
|
Handle<mirror::MethodType> method2_type = hs.NewHandle(
|
|
class_linker_->ResolveMethodType(soa.Self(), method2_id.proto_idx_, dex_cache, class_loader));
|
|
ASSERT_OBJ_PTR_NE(method1_type.Get(), method2_type.Get());
|
|
}
|
|
|
|
// Verify that ClassLinker's CreateWellknownClassLoader works as expected
|
|
// by creating a chain of class loaders with various dex files.
|
|
TEST_F(ClassLinkerTest, CreateWellKnownClassLoader) {
|
|
// LoadDexIn*ClassLoader methods already assert that the parent loader is the expected one.
|
|
// No need to check again.
|
|
jobject class_loader_a = LoadDexInPathClassLoader("MyClass", nullptr);
|
|
jobject class_loader_b = LoadDexInDelegateLastClassLoader("Nested", class_loader_a);
|
|
jobject class_loader_c = LoadDexInPathClassLoader("MultiDex", class_loader_b);
|
|
LoadDexInDelegateLastClassLoader("Interfaces", class_loader_c);
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, PrettyClass) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
EXPECT_EQ("null", mirror::Class::PrettyClass(nullptr));
|
|
ObjPtr<mirror::Class> c = class_linker_->FindSystemClass(soa.Self(), "[Ljava/lang/String;");
|
|
ASSERT_TRUE(c != nullptr);
|
|
ObjPtr<mirror::Object> o = mirror::ObjectArray<mirror::String>::Alloc(soa.Self(), c, 0);
|
|
EXPECT_EQ("java.lang.Class<java.lang.String[]>", mirror::Class::PrettyClass(o->GetClass()));
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, PrettyClassAndClassLoader) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
EXPECT_EQ("null", mirror::Class::PrettyClassAndClassLoader(nullptr));
|
|
ObjPtr<mirror::Class> c = class_linker_->FindSystemClass(soa.Self(), "[Ljava/lang/String;");
|
|
ASSERT_TRUE(c != nullptr);
|
|
ObjPtr<mirror::Object> o = mirror::ObjectArray<mirror::String>::Alloc(soa.Self(), c, 0);
|
|
EXPECT_EQ("java.lang.Class<java.lang.String[],null>",
|
|
mirror::Class::PrettyClassAndClassLoader(o->GetClass()));
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, PrettyField) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
EXPECT_EQ("null", ArtField::PrettyField(nullptr));
|
|
|
|
ObjPtr<mirror::Class> java_lang_String = class_linker_->FindSystemClass(soa.Self(),
|
|
"Ljava/lang/String;");
|
|
|
|
ArtField* f;
|
|
f = java_lang_String->FindDeclaredInstanceField("count", "I");
|
|
EXPECT_EQ("int java.lang.String.count", f->PrettyField());
|
|
EXPECT_EQ("java.lang.String.count", f->PrettyField(false));
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, JniShortName_JniLongName) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
ObjPtr<mirror::Class> c = class_linker_->FindSystemClass(soa.Self(), "Ljava/lang/String;");
|
|
ASSERT_TRUE(c != nullptr);
|
|
ArtMethod* m;
|
|
|
|
m = c->FindClassMethod("charAt", "(I)C", kRuntimePointerSize);
|
|
ASSERT_TRUE(m != nullptr);
|
|
ASSERT_FALSE(m->IsDirect());
|
|
EXPECT_EQ("Java_java_lang_String_charAt", m->JniShortName());
|
|
EXPECT_EQ("Java_java_lang_String_charAt__I", m->JniLongName());
|
|
|
|
m = c->FindClassMethod("indexOf", "(Ljava/lang/String;I)I", kRuntimePointerSize);
|
|
ASSERT_TRUE(m != nullptr);
|
|
ASSERT_FALSE(m->IsDirect());
|
|
EXPECT_EQ("Java_java_lang_String_indexOf", m->JniShortName());
|
|
EXPECT_EQ("Java_java_lang_String_indexOf__Ljava_lang_String_2I", m->JniLongName());
|
|
|
|
m = c->FindClassMethod("copyValueOf", "([CII)Ljava/lang/String;", kRuntimePointerSize);
|
|
ASSERT_TRUE(m != nullptr);
|
|
ASSERT_TRUE(m->IsStatic());
|
|
EXPECT_EQ("Java_java_lang_String_copyValueOf", m->JniShortName());
|
|
EXPECT_EQ("Java_java_lang_String_copyValueOf___3CII", m->JniLongName());
|
|
}
|
|
|
|
class ClassLinkerClassLoaderTest : public ClassLinkerTest {
|
|
protected:
|
|
// Verifies that the class identified by the given descriptor is loaded with
|
|
// the expected_class_loader_obj when search from class_loader_to_search_obj.
|
|
// When expected_class_loader_obj is null the check will be done against BootClassLoader.
|
|
void VerifyClassResolution(const std::string& descriptor,
|
|
jobject class_loader_to_search_obj,
|
|
jobject expected_class_loader_obj,
|
|
bool should_find = true) {
|
|
Thread* self = Thread::Current();
|
|
ScopedObjectAccess soa(self);
|
|
StackHandleScope<3> hs(self);
|
|
Handle<mirror::ClassLoader> class_loader_to_search(
|
|
hs.NewHandle(soa.Decode<mirror::ClassLoader>(class_loader_to_search_obj)));
|
|
|
|
Handle<mirror::Class> klass = hs.NewHandle(
|
|
class_linker_->FindClass(soa.Self(), descriptor.c_str(), class_loader_to_search));
|
|
|
|
if (!should_find) {
|
|
if (self->IsExceptionPending()) {
|
|
self->ClearException();
|
|
}
|
|
ASSERT_TRUE(klass == nullptr);
|
|
} else if (expected_class_loader_obj == nullptr) {
|
|
ASSERT_TRUE(ClassLinker::IsBootClassLoader(soa, klass->GetClassLoader()));
|
|
} else {
|
|
ASSERT_TRUE(klass != nullptr) << descriptor;
|
|
Handle<mirror::ClassLoader> expected_class_loader(
|
|
hs.NewHandle(soa.Decode<mirror::ClassLoader>(expected_class_loader_obj)));
|
|
ASSERT_OBJ_PTR_EQ(klass->GetClassLoader(), expected_class_loader.Get());
|
|
}
|
|
}
|
|
};
|
|
|
|
TEST_F(ClassLinkerClassLoaderTest, CreatePathClassLoader) {
|
|
jobject class_loader_a = LoadDexInPathClassLoader("ForClassLoaderA", nullptr);
|
|
VerifyClassResolution("LDefinedInA;", class_loader_a, class_loader_a);
|
|
VerifyClassResolution("Ljava/lang/String;", class_loader_a, nullptr);
|
|
VerifyClassResolution("LDefinedInB;", class_loader_a, nullptr, /*should_find=*/ false);
|
|
}
|
|
|
|
TEST_F(ClassLinkerClassLoaderTest, CreateDelegateLastClassLoader) {
|
|
jobject class_loader_a = LoadDexInDelegateLastClassLoader("ForClassLoaderA", nullptr);
|
|
VerifyClassResolution("LDefinedInA;", class_loader_a, class_loader_a);
|
|
VerifyClassResolution("Ljava/lang/String;", class_loader_a, nullptr);
|
|
VerifyClassResolution("LDefinedInB;", class_loader_a, nullptr, /*should_find=*/ false);
|
|
}
|
|
|
|
TEST_F(ClassLinkerClassLoaderTest, CreateClassLoaderChain) {
|
|
// The chain is
|
|
// ClassLoaderA (PathClassLoader, defines: A, AB, AC, AD)
|
|
// ^
|
|
// |
|
|
// ClassLoaderB (DelegateLastClassLoader, defines: B, AB, BC, BD)
|
|
// ^
|
|
// |
|
|
// ClassLoaderC (PathClassLoader, defines: C, AC, BC, CD)
|
|
// ^
|
|
// |
|
|
// ClassLoaderD (DelegateLastClassLoader, defines: D, AD, BD, CD)
|
|
|
|
jobject class_loader_a = LoadDexInPathClassLoader("ForClassLoaderA", nullptr);
|
|
jobject class_loader_b = LoadDexInDelegateLastClassLoader("ForClassLoaderB", class_loader_a);
|
|
jobject class_loader_c = LoadDexInPathClassLoader("ForClassLoaderC", class_loader_b);
|
|
jobject class_loader_d = LoadDexInDelegateLastClassLoader("ForClassLoaderD", class_loader_c);
|
|
|
|
// Verify exclusive classes (present in only one class loader).
|
|
VerifyClassResolution("LDefinedInD;", class_loader_d, class_loader_d);
|
|
VerifyClassResolution("LDefinedInC;", class_loader_d, class_loader_c);
|
|
VerifyClassResolution("LDefinedInB;", class_loader_d, class_loader_b);
|
|
VerifyClassResolution("LDefinedInA;", class_loader_d, class_loader_a);
|
|
|
|
// Verify classes that are defined in multiple classloader.
|
|
|
|
// Classes defined in B should be found in B even if they are defined in A or C because
|
|
// B is a DelegateLastClassLoader.
|
|
VerifyClassResolution("LDefinedInAB;", class_loader_d, class_loader_b);
|
|
VerifyClassResolution("LDefinedInABC;", class_loader_d, class_loader_b);
|
|
VerifyClassResolution("LDefinedInBC;", class_loader_d, class_loader_b);
|
|
|
|
// Classes defined in D should be found in D even if they are defined in parent class loaders
|
|
// as well because D is a DelegateLastClassLoader.
|
|
VerifyClassResolution("LDefinedInAD;", class_loader_d, class_loader_d);
|
|
VerifyClassResolution("LDefinedInBD;", class_loader_d, class_loader_d);
|
|
VerifyClassResolution("LDefinedInCD;", class_loader_d, class_loader_d);
|
|
|
|
|
|
// Classes not defined in the DelegateLastClassLoaders (i.e. D or B) should be found
|
|
// in the top parent.
|
|
VerifyClassResolution("LDefinedInAC;", class_loader_d, class_loader_a);
|
|
|
|
// Check that we don't find an undefined class.
|
|
VerifyClassResolution("LNotDefined;", class_loader_d, nullptr, /*should_find=*/ false);
|
|
}
|
|
|
|
} // namespace art
|