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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "imtable-inl.h"
#include <memory>
#include <string>
#include "jni.h"
#include "base/mutex.h"
#include "class_linker.h"
#include "common_runtime_test.h"
#include "mirror/accessible_object.h"
#include "mirror/class.h"
#include "mirror/class_loader.h"
#include "handle_scope-inl.h"
#include "scoped_thread_state_change-inl.h"
#include "thread-inl.h"
namespace art {
class ImTableTest : public CommonRuntimeTest {
public:
std::pair<mirror::Class*, mirror::Class*> LoadClasses(const std::string& class_name)
REQUIRES_SHARED(Locks::mutator_lock_) {
jobject jclass_loader_a = LoadDex("IMTA");
CHECK(jclass_loader_a != nullptr);
jobject jclass_loader_b = LoadDex("IMTB");
CHECK(jclass_loader_b != nullptr);
ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
Thread* self = Thread::Current();
StackHandleScope<3> hs(self);
MutableHandle<mirror::ClassLoader> h_class_loader = hs.NewHandle<mirror::ClassLoader>(nullptr);
// A.
h_class_loader.Assign(
ObjPtr<mirror::ClassLoader>::DownCast(self->DecodeJObject(jclass_loader_a)));
Handle<mirror::Class> h_class_a(
hs.NewHandle(class_linker->FindClass(self, class_name.c_str(), h_class_loader)));
if (h_class_a == nullptr) {
LOG(ERROR) << self->GetException()->Dump();
CHECK(false) << "h_class_a == nullptr";
}
// B.
h_class_loader.Assign(
ObjPtr<mirror::ClassLoader>::DownCast(self->DecodeJObject(jclass_loader_b)));
Handle<mirror::Class> h_class_b(
hs.NewHandle(class_linker->FindClass(self, class_name.c_str(), h_class_loader)));
if (h_class_b == nullptr) {
LOG(ERROR) << self->GetException()->Dump();
CHECK(false) << "h_class_b == nullptr";
}
return std::make_pair(h_class_a.Get(), h_class_b.Get());
}
std::pair<ArtMethod*, ArtMethod*> LoadMethods(const std::string& class_name,
const std::string& method_name)
REQUIRES_SHARED(Locks::mutator_lock_) {
std::pair<mirror::Class*, mirror::Class*> classes = LoadClasses(class_name);
const PointerSize pointer_size = Runtime::Current()->GetClassLinker()->GetImagePointerSize();
ArtMethod* method_a =
classes.first->FindDeclaredVirtualMethodByName(method_name, pointer_size);
ArtMethod* method_b =
classes.second->FindDeclaredVirtualMethodByName(method_name, pointer_size);
return std::make_pair(method_a, method_b);
}
};
TEST_F(ImTableTest, NewMethodBefore) {
ScopedObjectAccess soa(Thread::Current());
std::pair<ArtMethod*, ArtMethod*> methods = LoadMethods("LInterfaces$A;", "foo");
CHECK_EQ(ImTable::GetImtIndex(methods.first), ImTable::GetImtIndex(methods.second));
}
TEST_F(ImTableTest, NewClassBefore) {
ScopedObjectAccess soa(Thread::Current());
std::pair<ArtMethod*, ArtMethod*> methods = LoadMethods("LInterfaces$Z;", "foo");
CHECK_EQ(ImTable::GetImtIndex(methods.first), ImTable::GetImtIndex(methods.second));
}
} // namespace art