1159 lines
54 KiB
C++
1159 lines
54 KiB
C++
/*
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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 "class_linker-inl.h"
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#include "common_runtime_test.h"
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#include "dex_file.h"
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#include "entrypoints/entrypoint_utils-inl.h"
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#include "field_helper.h"
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#include "gc/heap.h"
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#include "mirror/art_field-inl.h"
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#include "mirror/art_method.h"
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#include "mirror/art_method-inl.h"
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#include "mirror/class-inl.h"
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#include "mirror/dex_cache.h"
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#include "mirror/object-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 "handle_scope-inl.h"
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#include "scoped_thread_state_change.h"
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#include "thread-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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SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
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Thread* self = Thread::Current();
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EXPECT_TRUE(class_linker_->FindSystemClass(self, descriptor.c_str()) == NULL);
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EXPECT_TRUE(self->IsExceptionPending());
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mirror::Object* exception = self->GetException(NULL);
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self->ClearException();
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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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SHARED_LOCKS_REQUIRED(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, mirror::Class* primitive)
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SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
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ASSERT_TRUE(primitive != NULL);
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ASSERT_TRUE(primitive->GetClass() != NULL);
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ASSERT_EQ(primitive->GetClass(), primitive->GetClass()->GetClass());
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EXPECT_TRUE(primitive->GetClass()->GetSuperClass() != NULL);
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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() == NULL);
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EXPECT_FALSE(primitive->HasSuperClass());
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EXPECT_TRUE(primitive->GetClassLoader() == NULL);
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EXPECT_EQ(mirror::Class::kStatusInitialized, 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_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() == NULL);
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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() == NULL);
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EXPECT_EQ(kAccPublic | kAccFinal | kAccAbstract, primitive->GetAccessFlags());
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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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mirror::ClassLoader* class_loader)
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SHARED_LOCKS_REQUIRED(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_EQ(class_loader, 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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SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
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ASSERT_TRUE(array.Get() != NULL);
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ASSERT_TRUE(array->GetClass() != NULL);
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ASSERT_EQ(array->GetClass(), array->GetClass()->GetClass());
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EXPECT_TRUE(array->GetClass()->GetSuperClass() != NULL);
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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() != NULL);
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Thread* self = Thread::Current();
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EXPECT_EQ(class_linker_->FindSystemClass(self, "Ljava/lang/Object;"), array->GetSuperClass());
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EXPECT_TRUE(array->HasSuperClass());
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ASSERT_TRUE(array->GetComponentType() != NULL);
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ASSERT_GT(strlen(array->GetComponentType()->GetDescriptor(&temp)), 0U);
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EXPECT_EQ(mirror::Class::kStatusInitialized, 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_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->ShouldHaveEmbeddedImtAndVTable());
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EXPECT_EQ(2, array->GetIfTableCount());
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ASSERT_TRUE(array->GetIfTable() != NULL);
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mirror::Class* direct_interface0 = mirror::Class::GetDirectInterface(self, array, 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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mirror::Class* direct_interface1 = mirror::Class::GetDirectInterface(self, array, 1);
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EXPECT_STREQ(direct_interface1->GetDescriptor(&temp), "Ljava/io/Serializable;");
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mirror::Class* array_ptr = array->GetComponentType();
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EXPECT_EQ(class_linker_->FindArrayClass(self, &array_ptr), array.Get());
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}
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void AssertMethod(mirror::ArtMethod* method) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
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EXPECT_TRUE(method != nullptr);
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EXPECT_TRUE(method->GetClass() != nullptr);
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EXPECT_TRUE(method->GetName() != nullptr);
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EXPECT_TRUE(method->GetSignature() != Signature::NoSignature());
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EXPECT_TRUE(method->HasDexCacheResolvedMethods());
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EXPECT_TRUE(method->HasDexCacheResolvedTypes());
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EXPECT_TRUE(method->HasSameDexCacheResolvedMethods(
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method->GetDeclaringClass()->GetDexCache()->GetResolvedMethods()));
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EXPECT_TRUE(method->HasSameDexCacheResolvedTypes(
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method->GetDeclaringClass()->GetDexCache()->GetResolvedTypes()));
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}
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void AssertField(mirror::Class* klass, mirror::ArtField* field)
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SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
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EXPECT_TRUE(field != NULL);
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EXPECT_TRUE(field->GetClass() != NULL);
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EXPECT_EQ(klass, field->GetDeclaringClass());
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EXPECT_TRUE(field->GetName() != NULL);
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StackHandleScope<1> hs(Thread::Current());
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FieldHelper fh(hs.NewHandle(field));
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EXPECT_TRUE(fh.GetType() != NULL);
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}
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void AssertClass(const std::string& descriptor, Handle<mirror::Class> klass)
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SHARED_LOCKS_REQUIRED(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() != NULL);
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}
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EXPECT_TRUE(klass->GetClass() != NULL);
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EXPECT_EQ(klass->GetClass(), klass->GetClass()->GetClass());
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EXPECT_TRUE(klass->GetDexCache() != NULL);
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EXPECT_TRUE(klass->IsLoaded());
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EXPECT_TRUE(klass->IsResolved());
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EXPECT_FALSE(klass->IsErroneous());
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EXPECT_FALSE(klass->IsArrayClass());
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EXPECT_TRUE(klass->GetComponentType() == NULL);
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EXPECT_TRUE(klass->IsInSamePackage(klass.Get()));
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EXPECT_TRUE(klass->GetDexCacheStrings() != nullptr);
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EXPECT_EQ(klass->GetDexCacheStrings(), klass->GetDexCache()->GetStrings());
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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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if (klass->NumDirectMethods() == 1) {
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EXPECT_TRUE(klass->GetDirectMethod(0)->IsClassInitializer());
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EXPECT_TRUE(klass->GetDirectMethod(0)->IsDirect());
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} else {
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EXPECT_EQ(0U, klass->NumDirectMethods());
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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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mirror::IfTable* iftable = klass->GetIfTable();
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for (int i = 0; i < klass->GetIfTableCount(); i++) {
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mirror::Class* interface = iftable->GetInterface(i);
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ASSERT_TRUE(interface != NULL);
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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->NumVirtualMethods(), 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 (size_t i = 0; i < klass->NumDirectMethods(); i++) {
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mirror::ArtMethod* method = klass->GetDirectMethod(i);
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AssertMethod(method);
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EXPECT_TRUE(method->IsDirect());
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EXPECT_EQ(klass.Get(), method->GetDeclaringClass());
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}
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for (size_t i = 0; i < klass->NumVirtualMethods(); i++) {
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mirror::ArtMethod* method = klass->GetVirtualMethod(i);
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AssertMethod(method);
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EXPECT_FALSE(method->IsDirect());
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EXPECT_TRUE(method->GetDeclaringClass()->IsAssignableFrom(klass.Get()));
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}
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for (size_t i = 0; i < klass->NumInstanceFields(); i++) {
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mirror::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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mirror::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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StackHandleScope<1> hs(Thread::Current());
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FieldHelper fh(hs.NewHandle<mirror::ArtField>(nullptr));
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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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mirror::ArtField* field = klass->GetInstanceField(i);
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fh.ChangeField(field);
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mirror::Class* field_type = fh.GetType();
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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(PrettyField(fh.GetField()),
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"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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size_t total_num_reference_instance_fields = 0;
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mirror::Class* k = klass.Get();
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while (k != NULL) {
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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_EQ(klass->GetReferenceInstanceOffsets() == 0, total_num_reference_instance_fields == 0);
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}
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void AssertDexFileClass(mirror::ClassLoader* class_loader, const std::string& descriptor)
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SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
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ASSERT_TRUE(descriptor != NULL);
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Thread* self = Thread::Current();
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StackHandleScope<1> hs(self);
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Handle<mirror::Class> klass(
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hs.NewHandle(class_linker_->FindSystemClass(self, descriptor.c_str())));
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ASSERT_TRUE(klass.Get() != nullptr);
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std::string temp;
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EXPECT_STREQ(descriptor.c_str(), klass.Get()->GetDescriptor(&temp));
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EXPECT_EQ(class_loader, klass->GetClassLoader());
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if (klass->IsPrimitive()) {
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AssertPrimitiveClass(descriptor, klass.Get());
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} else if (klass->IsArrayClass()) {
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AssertArrayClass(descriptor, klass);
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} else {
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AssertClass(descriptor, klass);
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}
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}
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void AssertDexFile(const DexFile* dex, mirror::ClassLoader* class_loader)
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SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
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ASSERT_TRUE(dex != NULL);
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// Verify all the classes defined in this file
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for (size_t i = 0; i < dex->NumClassDefs(); i++) {
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const DexFile::ClassDef& class_def = dex->GetClassDef(i);
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const char* descriptor = dex->GetClassDescriptor(class_def);
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AssertDexFileClass(class_loader, descriptor);
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}
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// Verify all the types referenced by this file
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for (size_t i = 0; i < dex->NumTypeIds(); i++) {
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const DexFile::TypeId& type_id = dex->GetTypeId(i);
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const char* descriptor = dex->GetTypeDescriptor(type_id);
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AssertDexFileClass(class_loader, descriptor);
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}
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class_linker_->VisitRoots(TestRootVisitor, NULL, kVisitRootFlagAllRoots);
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// Verify the dex cache has resolution methods in all resolved method slots
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mirror::DexCache* dex_cache = class_linker_->FindDexCache(*dex);
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mirror::ObjectArray<mirror::ArtMethod>* resolved_methods = dex_cache->GetResolvedMethods();
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for (size_t i = 0; i < static_cast<size_t>(resolved_methods->GetLength()); i++) {
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EXPECT_TRUE(resolved_methods->Get(i) != NULL) << dex->GetLocation() << " i=" << i;
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}
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}
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static void TestRootVisitor(mirror::Object** root, void*, const RootInfo&) {
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EXPECT_TRUE(*root != NULL);
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}
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};
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struct CheckOffset {
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size_t cpp_offset;
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const char* java_name;
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CheckOffset(size_t c, const char* j) : cpp_offset(c), java_name(j) {}
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};
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template <typename T>
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struct CheckOffsets {
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CheckOffsets(bool is_static, const char* class_descriptor)
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: is_static(is_static), class_descriptor(class_descriptor) {}
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bool is_static;
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std::string class_descriptor;
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std::vector<CheckOffset> offsets;
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bool Check() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
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Thread* self = Thread::Current();
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mirror::Class* klass =
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Runtime::Current()->GetClassLinker()->FindSystemClass(self, class_descriptor.c_str());
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CHECK(klass != NULL) << class_descriptor;
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bool error = false;
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// Art method have a different size due to the padding field.
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if (!klass->IsArtMethodClass() && !klass->IsClassClass() && !is_static) {
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size_t expected_size = is_static ? klass->GetClassSize(): klass->GetObjectSize();
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if (sizeof(T) != expected_size) {
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LOG(ERROR) << "Class size mismatch:"
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<< " class=" << class_descriptor
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<< " Java=" << expected_size
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<< " C++=" << sizeof(T);
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error = true;
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}
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}
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size_t num_fields = is_static ? klass->NumStaticFields() : klass->NumInstanceFields();
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if (offsets.size() != num_fields) {
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LOG(ERROR) << "Field count mismatch:"
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<< " class=" << class_descriptor
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<< " Java=" << num_fields
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<< " C++=" << offsets.size();
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error = true;
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}
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for (size_t i = 0; i < offsets.size(); i++) {
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mirror::ArtField* field = is_static ? klass->GetStaticField(i) : klass->GetInstanceField(i);
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StringPiece field_name(field->GetName());
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if (field_name != offsets[i].java_name) {
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error = true;
|
|
}
|
|
}
|
|
if (error) {
|
|
for (size_t i = 0; i < offsets.size(); i++) {
|
|
CheckOffset& offset = offsets[i];
|
|
mirror::ArtField* field = is_static ? klass->GetStaticField(i) : klass->GetInstanceField(i);
|
|
StringPiece 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];
|
|
mirror::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];
|
|
mirror::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;
|
|
};
|
|
|
|
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;") {
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Object, klass_), "shadow$_klass_"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Object, monitor_), "shadow$_monitor_"));
|
|
#ifdef USE_BAKER_OR_BROOKS_READ_BARRIER
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Object, x_rb_ptr_), "shadow$_x_rb_ptr_"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Object, x_xpadding_), "shadow$_x_xpadding_"));
|
|
#endif
|
|
};
|
|
};
|
|
|
|
struct ArtFieldOffsets : public CheckOffsets<mirror::ArtField> {
|
|
ArtFieldOffsets() : CheckOffsets<mirror::ArtField>(false, "Ljava/lang/reflect/ArtField;") {
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::ArtField, access_flags_), "accessFlags"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::ArtField, declaring_class_), "declaringClass"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::ArtField, field_dex_idx_), "fieldDexIndex"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::ArtField, offset_), "offset"));
|
|
};
|
|
};
|
|
|
|
struct ArtMethodOffsets : public CheckOffsets<mirror::ArtMethod> {
|
|
ArtMethodOffsets() : CheckOffsets<mirror::ArtMethod>(false, "Ljava/lang/reflect/ArtMethod;") {
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::ArtMethod, access_flags_), "accessFlags"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::ArtMethod, declaring_class_), "declaringClass"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::ArtMethod, dex_cache_resolved_methods_), "dexCacheResolvedMethods"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::ArtMethod, dex_cache_resolved_types_), "dexCacheResolvedTypes"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::ArtMethod, dex_code_item_offset_), "dexCodeItemOffset"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::ArtMethod, dex_method_index_), "dexMethodIndex"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::ArtMethod, method_index_), "methodIndex"));
|
|
};
|
|
};
|
|
|
|
struct ClassOffsets : public CheckOffsets<mirror::Class> {
|
|
ClassOffsets() : CheckOffsets<mirror::Class>(false, "Ljava/lang/Class;") {
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Class, access_flags_), "accessFlags"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Class, class_loader_), "classLoader"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Class, class_size_), "classSize"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Class, clinit_thread_id_), "clinitThreadId"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Class, component_type_), "componentType"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Class, dex_cache_), "dexCache"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Class, dex_cache_strings_), "dexCacheStrings"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Class, dex_class_def_idx_), "dexClassDefIndex"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Class, dex_type_idx_), "dexTypeIndex"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Class, direct_methods_), "directMethods"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Class, ifields_), "iFields"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Class, iftable_), "ifTable"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Class, name_), "name"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Class, num_reference_instance_fields_), "numReferenceInstanceFields"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Class, num_reference_static_fields_), "numReferenceStaticFields"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Class, object_size_), "objectSize"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Class, primitive_type_), "primitiveType"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Class, reference_instance_offsets_), "referenceInstanceOffsets"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Class, reference_static_offsets_), "referenceStaticOffsets"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Class, sfields_), "sFields"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Class, status_), "status"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Class, super_class_), "superClass"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Class, verify_error_class_), "verifyErrorClass"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Class, virtual_methods_), "virtualMethods"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Class, vtable_), "vtable"));
|
|
};
|
|
};
|
|
|
|
struct StringOffsets : public CheckOffsets<mirror::String> {
|
|
StringOffsets() : CheckOffsets<mirror::String>(false, "Ljava/lang/String;") {
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::String, count_), "count"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::String, hash_code_), "hashCode"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::String, offset_), "offset"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::String, array_), "value"));
|
|
};
|
|
};
|
|
|
|
struct ThrowableOffsets : public CheckOffsets<mirror::Throwable> {
|
|
ThrowableOffsets() : CheckOffsets<mirror::Throwable>(false, "Ljava/lang/Throwable;") {
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Throwable, cause_), "cause"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Throwable, detail_message_), "detailMessage"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Throwable, stack_state_), "stackState"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Throwable, stack_trace_), "stackTrace"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Throwable, suppressed_exceptions_), "suppressedExceptions"));
|
|
};
|
|
};
|
|
|
|
struct StackTraceElementOffsets : public CheckOffsets<mirror::StackTraceElement> {
|
|
StackTraceElementOffsets() : CheckOffsets<mirror::StackTraceElement>(false, "Ljava/lang/StackTraceElement;") {
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::StackTraceElement, declaring_class_), "declaringClass"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::StackTraceElement, file_name_), "fileName"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::StackTraceElement, line_number_), "lineNumber"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::StackTraceElement, method_name_), "methodName"));
|
|
};
|
|
};
|
|
|
|
struct ClassLoaderOffsets : public CheckOffsets<mirror::ClassLoader> {
|
|
ClassLoaderOffsets() : CheckOffsets<mirror::ClassLoader>(false, "Ljava/lang/ClassLoader;") {
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::ClassLoader, packages_), "packages"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::ClassLoader, parent_), "parent"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::ClassLoader, proxyCache_), "proxyCache"));
|
|
};
|
|
};
|
|
|
|
struct ProxyOffsets : public CheckOffsets<mirror::Proxy> {
|
|
ProxyOffsets() : CheckOffsets<mirror::Proxy>(false, "Ljava/lang/reflect/Proxy;") {
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Proxy, h_), "h"));
|
|
};
|
|
};
|
|
|
|
struct DexCacheOffsets : public CheckOffsets<mirror::DexCache> {
|
|
DexCacheOffsets() : CheckOffsets<mirror::DexCache>(false, "Ljava/lang/DexCache;") {
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::DexCache, dex_), "dex"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::DexCache, dex_file_), "dexFile"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::DexCache, location_), "location"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::DexCache, resolved_fields_), "resolvedFields"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::DexCache, resolved_methods_), "resolvedMethods"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::DexCache, resolved_types_), "resolvedTypes"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::DexCache, strings_), "strings"));
|
|
};
|
|
};
|
|
|
|
struct ReferenceOffsets : public CheckOffsets<mirror::Reference> {
|
|
ReferenceOffsets() : CheckOffsets<mirror::Reference>(false, "Ljava/lang/ref/Reference;") {
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Reference, pending_next_), "pendingNext"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Reference, queue_), "queue"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Reference, queue_next_), "queueNext"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::Reference, referent_), "referent"));
|
|
};
|
|
};
|
|
|
|
struct FinalizerReferenceOffsets : public CheckOffsets<mirror::FinalizerReference> {
|
|
FinalizerReferenceOffsets() : CheckOffsets<mirror::FinalizerReference>(false, "Ljava/lang/ref/FinalizerReference;") {
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::FinalizerReference, next_), "next"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::FinalizerReference, prev_), "prev"));
|
|
offsets.push_back(CheckOffset(OFFSETOF_MEMBER(mirror::FinalizerReference, zombie_), "zombie"));
|
|
};
|
|
};
|
|
|
|
// 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(ArtFieldOffsets().Check());
|
|
EXPECT_TRUE(ArtMethodOffsets().Check());
|
|
EXPECT_TRUE(ClassOffsets().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());
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, FindClassNonexistent) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
AssertNonExistentClass("NoSuchClass;");
|
|
AssertNonExistentClass("LNoSuchClass;");
|
|
}
|
|
|
|
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"))));
|
|
|
|
mirror::Class* outer = class_linker_->FindClass(soa.Self(), "LNested;", class_loader);
|
|
ASSERT_TRUE(outer != NULL);
|
|
EXPECT_EQ(0U, outer->NumVirtualMethods());
|
|
EXPECT_EQ(1U, outer->NumDirectMethods());
|
|
|
|
mirror::Class* inner = class_linker_->FindClass(soa.Self(), "LNested$Inner;", class_loader);
|
|
ASSERT_TRUE(inner != NULL);
|
|
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());
|
|
mirror::Class* JavaLangObject = class_linker_->FindSystemClass(soa.Self(), "Ljava/lang/Object;");
|
|
ASSERT_TRUE(JavaLangObject != NULL);
|
|
ASSERT_TRUE(JavaLangObject->GetClass() != NULL);
|
|
ASSERT_EQ(JavaLangObject->GetClass(), JavaLangObject->GetClass()->GetClass());
|
|
EXPECT_EQ(JavaLangObject, JavaLangObject->GetClass()->GetSuperClass());
|
|
std::string temp;
|
|
ASSERT_STREQ(JavaLangObject->GetDescriptor(&temp), "Ljava/lang/Object;");
|
|
EXPECT_TRUE(JavaLangObject->GetSuperClass() == NULL);
|
|
EXPECT_FALSE(JavaLangObject->HasSuperClass());
|
|
EXPECT_TRUE(JavaLangObject->GetClassLoader() == NULL);
|
|
EXPECT_EQ(mirror::Class::kStatusInitialized, JavaLangObject->GetStatus());
|
|
EXPECT_FALSE(JavaLangObject->IsErroneous());
|
|
EXPECT_TRUE(JavaLangObject->IsLoaded());
|
|
EXPECT_TRUE(JavaLangObject->IsResolved());
|
|
EXPECT_TRUE(JavaLangObject->IsVerified());
|
|
EXPECT_TRUE(JavaLangObject->IsInitialized());
|
|
EXPECT_FALSE(JavaLangObject->IsArrayInstance());
|
|
EXPECT_FALSE(JavaLangObject->IsArrayClass());
|
|
EXPECT_TRUE(JavaLangObject->GetComponentType() == NULL);
|
|
EXPECT_FALSE(JavaLangObject->IsInterface());
|
|
EXPECT_TRUE(JavaLangObject->IsPublic());
|
|
EXPECT_FALSE(JavaLangObject->IsFinal());
|
|
EXPECT_FALSE(JavaLangObject->IsPrimitive());
|
|
EXPECT_FALSE(JavaLangObject->IsSynthetic());
|
|
EXPECT_EQ(2U, JavaLangObject->NumDirectMethods());
|
|
EXPECT_EQ(11U, JavaLangObject->NumVirtualMethods());
|
|
if (!kUseBakerOrBrooksReadBarrier) {
|
|
EXPECT_EQ(2U, JavaLangObject->NumInstanceFields());
|
|
} else {
|
|
EXPECT_EQ(4U, JavaLangObject->NumInstanceFields());
|
|
}
|
|
EXPECT_STREQ(JavaLangObject->GetInstanceField(0)->GetName(), "shadow$_klass_");
|
|
EXPECT_STREQ(JavaLangObject->GetInstanceField(1)->GetName(), "shadow$_monitor_");
|
|
if (kUseBakerOrBrooksReadBarrier) {
|
|
EXPECT_STREQ(JavaLangObject->GetInstanceField(2)->GetName(), "shadow$_x_rb_ptr_");
|
|
EXPECT_STREQ(JavaLangObject->GetInstanceField(3)->GetName(), "shadow$_x_xpadding_");
|
|
}
|
|
|
|
EXPECT_EQ(0U, JavaLangObject->NumStaticFields());
|
|
EXPECT_EQ(0U, JavaLangObject->NumDirectInterfaces());
|
|
|
|
StackHandleScope<1> hs(soa.Self());
|
|
Handle<mirror::ClassLoader> class_loader(
|
|
hs.NewHandle(soa.Decode<mirror::ClassLoader*>(LoadDex("MyClass"))));
|
|
AssertNonExistentClass("LMyClass;");
|
|
mirror::Class* MyClass = class_linker_->FindClass(soa.Self(), "LMyClass;", class_loader);
|
|
ASSERT_TRUE(MyClass != NULL);
|
|
ASSERT_TRUE(MyClass->GetClass() != NULL);
|
|
ASSERT_EQ(MyClass->GetClass(), MyClass->GetClass()->GetClass());
|
|
EXPECT_EQ(JavaLangObject, MyClass->GetClass()->GetSuperClass());
|
|
ASSERT_STREQ(MyClass->GetDescriptor(&temp), "LMyClass;");
|
|
EXPECT_TRUE(MyClass->GetSuperClass() == JavaLangObject);
|
|
EXPECT_TRUE(MyClass->HasSuperClass());
|
|
EXPECT_EQ(class_loader.Get(), MyClass->GetClassLoader());
|
|
EXPECT_EQ(mirror::Class::kStatusResolved, MyClass->GetStatus());
|
|
EXPECT_FALSE(MyClass->IsErroneous());
|
|
EXPECT_TRUE(MyClass->IsLoaded());
|
|
EXPECT_TRUE(MyClass->IsResolved());
|
|
EXPECT_FALSE(MyClass->IsVerified());
|
|
EXPECT_FALSE(MyClass->IsInitialized());
|
|
EXPECT_FALSE(MyClass->IsArrayInstance());
|
|
EXPECT_FALSE(MyClass->IsArrayClass());
|
|
EXPECT_TRUE(MyClass->GetComponentType() == NULL);
|
|
EXPECT_FALSE(MyClass->IsInterface());
|
|
EXPECT_FALSE(MyClass->IsPublic());
|
|
EXPECT_FALSE(MyClass->IsFinal());
|
|
EXPECT_FALSE(MyClass->IsPrimitive());
|
|
EXPECT_FALSE(MyClass->IsSynthetic());
|
|
EXPECT_EQ(1U, MyClass->NumDirectMethods());
|
|
EXPECT_EQ(0U, MyClass->NumVirtualMethods());
|
|
EXPECT_EQ(0U, MyClass->NumInstanceFields());
|
|
EXPECT_EQ(0U, MyClass->NumStaticFields());
|
|
EXPECT_EQ(0U, MyClass->NumDirectInterfaces());
|
|
|
|
EXPECT_EQ(JavaLangObject->GetClass()->GetClass(), MyClass->GetClass()->GetClass());
|
|
|
|
// created by class_linker
|
|
AssertArrayClass("[C", "C", NULL);
|
|
AssertArrayClass("[Ljava/lang/Object;", "Ljava/lang/Object;", NULL);
|
|
// synthesized on the fly
|
|
AssertArrayClass("[[C", "[C", NULL);
|
|
AssertArrayClass("[[[LMyClass;", "[[LMyClass;", class_loader.Get());
|
|
// or not available at all
|
|
AssertNonExistentClass("[[[[LNonExistentClass;");
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, LibCore) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
AssertDexFile(java_lang_dex_file_, NULL);
|
|
}
|
|
|
|
// 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());
|
|
mirror::Class* array_class = class_linker_->FindSystemClass(soa.Self(), "[Ljava/lang/String;");
|
|
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_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_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_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_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_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());
|
|
NullHandle<mirror::ClassLoader> class_loader;
|
|
mirror::Class* c;
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/Boolean;", class_loader);
|
|
EXPECT_STREQ("value", c->GetIFields()->Get(0)->GetName());
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/Byte;", class_loader);
|
|
EXPECT_STREQ("value", c->GetIFields()->Get(0)->GetName());
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/Character;", class_loader);
|
|
EXPECT_STREQ("value", c->GetIFields()->Get(0)->GetName());
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/Double;", class_loader);
|
|
EXPECT_STREQ("value", c->GetIFields()->Get(0)->GetName());
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/Float;", class_loader);
|
|
EXPECT_STREQ("value", c->GetIFields()->Get(0)->GetName());
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/Integer;", class_loader);
|
|
EXPECT_STREQ("value", c->GetIFields()->Get(0)->GetName());
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/Long;", class_loader);
|
|
EXPECT_STREQ("value", c->GetIFields()->Get(0)->GetName());
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/Short;", class_loader);
|
|
EXPECT_STREQ("value", c->GetIFields()->Get(0)->GetName());
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, TwoClassLoadersOneClass) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
StackHandleScope<2> 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"))));
|
|
mirror::Class* MyClass_1 = class_linker_->FindClass(soa.Self(), "LMyClass;", class_loader_1);
|
|
mirror::Class* MyClass_2 = class_linker_->FindClass(soa.Self(), "LMyClass;", class_loader_2);
|
|
EXPECT_TRUE(MyClass_1 != nullptr);
|
|
EXPECT_TRUE(MyClass_2 != nullptr);
|
|
EXPECT_NE(MyClass_1, 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(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.
|
|
mirror::ArtMethod* clinit = statics->FindDirectMethod("<clinit>", "()V");
|
|
EXPECT_TRUE(clinit == NULL);
|
|
|
|
EXPECT_EQ(9U, statics->NumStaticFields());
|
|
|
|
mirror::ArtField* s0 = mirror::Class::FindStaticField(soa.Self(), statics, "s0", "Z");
|
|
std::string temp;
|
|
EXPECT_STREQ(s0->GetClass()->GetDescriptor(&temp), "Ljava/lang/reflect/ArtField;");
|
|
EXPECT_EQ(s0->GetTypeAsPrimitiveType(), Primitive::kPrimBoolean);
|
|
EXPECT_EQ(true, s0->GetBoolean(statics.Get()));
|
|
s0->SetBoolean<false>(statics.Get(), false);
|
|
|
|
mirror::ArtField* s1 = mirror::Class::FindStaticField(soa.Self(), statics, "s1", "B");
|
|
EXPECT_EQ(s1->GetTypeAsPrimitiveType(), Primitive::kPrimByte);
|
|
EXPECT_EQ(5, s1->GetByte(statics.Get()));
|
|
s1->SetByte<false>(statics.Get(), 6);
|
|
|
|
mirror::ArtField* s2 = mirror::Class::FindStaticField(soa.Self(), statics, "s2", "C");
|
|
EXPECT_EQ(s2->GetTypeAsPrimitiveType(), Primitive::kPrimChar);
|
|
EXPECT_EQ('a', s2->GetChar(statics.Get()));
|
|
s2->SetChar<false>(statics.Get(), 'b');
|
|
|
|
mirror::ArtField* s3 = mirror::Class::FindStaticField(soa.Self(), statics, "s3", "S");
|
|
EXPECT_EQ(s3->GetTypeAsPrimitiveType(), Primitive::kPrimShort);
|
|
EXPECT_EQ(-536, s3->GetShort(statics.Get()));
|
|
s3->SetShort<false>(statics.Get(), -535);
|
|
|
|
mirror::ArtField* s4 = mirror::Class::FindStaticField(soa.Self(), statics, "s4", "I");
|
|
EXPECT_EQ(s4->GetTypeAsPrimitiveType(), Primitive::kPrimInt);
|
|
EXPECT_EQ(2000000000, s4->GetInt(statics.Get()));
|
|
s4->SetInt<false>(statics.Get(), 2000000001);
|
|
|
|
mirror::ArtField* s5 = mirror::Class::FindStaticField(soa.Self(), statics, "s5", "J");
|
|
EXPECT_EQ(s5->GetTypeAsPrimitiveType(), Primitive::kPrimLong);
|
|
EXPECT_EQ(0x1234567890abcdefLL, s5->GetLong(statics.Get()));
|
|
s5->SetLong<false>(statics.Get(), INT64_C(0x34567890abcdef12));
|
|
|
|
mirror::ArtField* s6 = mirror::Class::FindStaticField(soa.Self(), statics, "s6", "F");
|
|
EXPECT_EQ(s6->GetTypeAsPrimitiveType(), Primitive::kPrimFloat);
|
|
EXPECT_EQ(0.5, s6->GetFloat(statics.Get()));
|
|
s6->SetFloat<false>(statics.Get(), 0.75);
|
|
|
|
mirror::ArtField* s7 = mirror::Class::FindStaticField(soa.Self(), statics, "s7", "D");
|
|
EXPECT_EQ(s7->GetTypeAsPrimitiveType(), Primitive::kPrimDouble);
|
|
EXPECT_EQ(16777217, s7->GetDouble(statics.Get()));
|
|
s7->SetDouble<false>(statics.Get(), 16777219);
|
|
|
|
mirror::ArtField* s8 = mirror::Class::FindStaticField(soa.Self(), statics, "s8",
|
|
"Ljava/lang/String;");
|
|
EXPECT_EQ(s8->GetTypeAsPrimitiveType(), Primitive::kPrimNot);
|
|
EXPECT_TRUE(s8->GetObject(statics.Get())->AsString()->Equals("android"));
|
|
s8->SetObject<false>(s8->GetDeclaringClass(),
|
|
mirror::String::AllocFromModifiedUtf8(soa.Self(), "robot"));
|
|
|
|
// 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_EQ(0.75, s6->GetFloat(statics.Get()));
|
|
EXPECT_EQ(16777219, 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 Signature void_sig = I->GetDexCache()->GetDexFile()->CreateSignature("()V");
|
|
mirror::ArtMethod* Ii = I->FindVirtualMethod("i", void_sig);
|
|
mirror::ArtMethod* Jj1 = J->FindVirtualMethod("j1", void_sig);
|
|
mirror::ArtMethod* Jj2 = J->FindVirtualMethod("j2", void_sig);
|
|
mirror::ArtMethod* Kj1 = K->FindInterfaceMethod("j1", void_sig);
|
|
mirror::ArtMethod* Kj2 = K->FindInterfaceMethod("j2", void_sig);
|
|
mirror::ArtMethod* Kk = K->FindInterfaceMethod("k", void_sig);
|
|
mirror::ArtMethod* Ai = A->FindVirtualMethod("i", void_sig);
|
|
mirror::ArtMethod* Aj1 = A->FindVirtualMethod("j1", void_sig);
|
|
mirror::ArtMethod* Aj2 = A->FindVirtualMethod("j2", void_sig);
|
|
ASSERT_TRUE(Ii != NULL);
|
|
ASSERT_TRUE(Jj1 != NULL);
|
|
ASSERT_TRUE(Jj2 != NULL);
|
|
ASSERT_TRUE(Kj1 != NULL);
|
|
ASSERT_TRUE(Kj2 != NULL);
|
|
ASSERT_TRUE(Kk != NULL);
|
|
ASSERT_TRUE(Ai != NULL);
|
|
ASSERT_TRUE(Aj1 != NULL);
|
|
ASSERT_TRUE(Aj2 != NULL);
|
|
EXPECT_NE(Ii, Ai);
|
|
EXPECT_NE(Jj1, Aj1);
|
|
EXPECT_NE(Jj2, Aj2);
|
|
EXPECT_EQ(Kj1, Jj1);
|
|
EXPECT_EQ(Kj2, Jj2);
|
|
EXPECT_EQ(Ai, A->FindVirtualMethodForInterface(Ii));
|
|
EXPECT_EQ(Aj1, A->FindVirtualMethodForInterface(Jj1));
|
|
EXPECT_EQ(Aj2, A->FindVirtualMethodForInterface(Jj2));
|
|
EXPECT_EQ(Ai, A->FindVirtualMethodForVirtualOrInterface(Ii));
|
|
EXPECT_EQ(Aj1, A->FindVirtualMethodForVirtualOrInterface(Jj1));
|
|
EXPECT_EQ(Aj2, A->FindVirtualMethodForVirtualOrInterface(Jj2));
|
|
|
|
mirror::ArtField* Afoo = mirror::Class::FindStaticField(soa.Self(), A, "foo",
|
|
"Ljava/lang/String;");
|
|
mirror::ArtField* Bfoo = mirror::Class::FindStaticField(soa.Self(), B, "foo",
|
|
"Ljava/lang/String;");
|
|
mirror::ArtField* Jfoo = mirror::Class::FindStaticField(soa.Self(), J, "foo",
|
|
"Ljava/lang/String;");
|
|
mirror::ArtField* Kfoo = mirror::Class::FindStaticField(soa.Self(), K, "foo",
|
|
"Ljava/lang/String;");
|
|
ASSERT_TRUE(Afoo != NULL);
|
|
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");
|
|
StackHandleScope<1> hs(soa.Self());
|
|
Handle<mirror::ClassLoader> class_loader(
|
|
hs.NewHandle(soa.Decode<mirror::ClassLoader*>(jclass_loader)));
|
|
const DexFile* dex_file = Runtime::Current()->GetCompileTimeClassPath(jclass_loader)[0];
|
|
CHECK(dex_file != NULL);
|
|
mirror::Class* klass = class_linker_->FindClass(soa.Self(), "LStaticsFromCode;", class_loader);
|
|
mirror::ArtMethod* clinit = klass->FindClassInitializer();
|
|
mirror::ArtMethod* getS0 = klass->FindDirectMethod("getS0", "()Ljava/lang/Object;");
|
|
const DexFile::StringId* string_id = dex_file->FindStringId("LStaticsFromCode;");
|
|
ASSERT_TRUE(string_id != NULL);
|
|
const DexFile::TypeId* type_id = dex_file->FindTypeId(dex_file->GetIndexForStringId(*string_id));
|
|
ASSERT_TRUE(type_id != NULL);
|
|
uint32_t type_idx = dex_file->GetIndexForTypeId(*type_id);
|
|
mirror::Class* uninit = ResolveVerifyAndClinit(type_idx, clinit, Thread::Current(), true, false);
|
|
EXPECT_TRUE(uninit != NULL);
|
|
EXPECT_FALSE(uninit->IsInitialized());
|
|
mirror::Class* init = ResolveVerifyAndClinit(type_idx, getS0, Thread::Current(), true, false);
|
|
EXPECT_TRUE(init != NULL);
|
|
EXPECT_TRUE(init->IsInitialized());
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, FinalizableBit) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
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 (int i = 0; i < ClassLinker::kClassRootsMax; i++) {
|
|
mirror::Class* klass = class_linker_->GetClassRoot(ClassLinker::ClassRoot(i));
|
|
EXPECT_GT(strlen(klass->GetDescriptor(&temp)), 0U);
|
|
EXPECT_STREQ(klass->GetDescriptor(&temp),
|
|
class_linker_->GetClassRootDescriptor(ClassLinker::ClassRoot(i))) << " i = " << i;
|
|
}
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, ValidatePredefinedClassSizes) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
NullHandle<mirror::ClassLoader> class_loader;
|
|
mirror::Class* c;
|
|
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/Class;", class_loader);
|
|
EXPECT_EQ(c->GetClassSize(), mirror::Class::ClassClassSize());
|
|
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/Object;", class_loader);
|
|
EXPECT_EQ(c->GetClassSize(), mirror::Object::ClassSize());
|
|
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/String;", class_loader);
|
|
EXPECT_EQ(c->GetClassSize(), mirror::String::ClassSize());
|
|
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/DexCache;", class_loader);
|
|
EXPECT_EQ(c->GetClassSize(), mirror::DexCache::ClassSize());
|
|
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/reflect/ArtField;", class_loader);
|
|
EXPECT_EQ(c->GetClassSize(), mirror::ArtField::ClassSize());
|
|
|
|
c = class_linker_->FindClass(soa.Self(), "Ljava/lang/reflect/ArtMethod;", class_loader);
|
|
EXPECT_EQ(c->GetClassSize(), mirror::ArtMethod::ClassSize());
|
|
}
|
|
|
|
static void CheckMethod(mirror::ArtMethod* method, bool verified)
|
|
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
|
|
if (!method->IsNative() && !method->IsAbstract()) {
|
|
EXPECT_EQ((method->GetAccessFlags() & kAccPreverified) != 0U, verified)
|
|
<< PrettyMethod(method, true);
|
|
}
|
|
}
|
|
|
|
static void CheckPreverified(mirror::Class* c, bool preverified)
|
|
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
|
|
EXPECT_EQ((c->GetAccessFlags() & kAccPreverified) != 0U, preverified)
|
|
<< "Class " << PrettyClass(c) << " not as expected";
|
|
for (uint32_t i = 0; i < c->NumDirectMethods(); ++i) {
|
|
CheckMethod(c->GetDirectMethod(i), preverified);
|
|
}
|
|
for (uint32_t i = 0; i < c->NumVirtualMethods(); ++i) {
|
|
CheckMethod(c->GetVirtualMethod(i), preverified);
|
|
}
|
|
}
|
|
|
|
TEST_F(ClassLinkerTest, Preverified_InitializedBoot) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
|
|
mirror::Class* JavaLangObject = class_linker_->FindSystemClass(soa.Self(), "Ljava/lang/Object;");
|
|
ASSERT_TRUE(JavaLangObject != NULL);
|
|
EXPECT_TRUE(JavaLangObject->IsInitialized()) << "Not testing already initialized class from the "
|
|
"core";
|
|
CheckPreverified(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";
|
|
|
|
CheckPreverified(security_manager.Get(), false);
|
|
|
|
class_linker_->EnsureInitialized(security_manager, true, true);
|
|
CheckPreverified(security_manager.Get(), true);
|
|
}
|
|
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TEST_F(ClassLinkerTest, Preverified_App) {
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ScopedObjectAccess soa(Thread::Current());
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StackHandleScope<2> hs(soa.Self());
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Handle<mirror::ClassLoader> class_loader(
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hs.NewHandle(soa.Decode<mirror::ClassLoader*>(LoadDex("Statics"))));
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Handle<mirror::Class> statics(
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hs.NewHandle(class_linker_->FindClass(soa.Self(), "LStatics;", class_loader)));
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CheckPreverified(statics.Get(), false);
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class_linker_->EnsureInitialized(statics, true, true);
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CheckPreverified(statics.Get(), true);
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}
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TEST_F(ClassLinkerTest, IsBootStrapClassLoaded) {
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ScopedObjectAccess soa(Thread::Current());
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StackHandleScope<3> hs(soa.Self());
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Handle<mirror::ClassLoader> class_loader(
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hs.NewHandle(soa.Decode<mirror::ClassLoader*>(LoadDex("Statics"))));
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// java.lang.Object is a bootstrap class.
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Handle<mirror::Class> jlo_class(
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hs.NewHandle(class_linker_->FindSystemClass(soa.Self(), "Ljava/lang/Object;")));
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ASSERT_TRUE(jlo_class.Get() != nullptr);
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EXPECT_TRUE(jlo_class.Get()->IsBootStrapClassLoaded());
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|
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// Statics is not a bootstrap class.
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Handle<mirror::Class> statics(
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hs.NewHandle(class_linker_->FindClass(soa.Self(), "LStatics;", class_loader)));
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ASSERT_TRUE(statics.Get() != nullptr);
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EXPECT_FALSE(statics.Get()->IsBootStrapClassLoaded());
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}
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} // namespace art
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