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105 lines
3.6 KiB
105 lines
3.6 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 "imtable-inl.h"
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#include <memory>
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#include <string>
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#include "jni.h"
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#include "base/mutex.h"
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#include "class_linker.h"
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#include "common_runtime_test.h"
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#include "handle_scope-inl.h"
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#include "mirror/accessible_object.h"
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#include "mirror/class.h"
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#include "mirror/class_loader.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 ImTableTest : public CommonRuntimeTest {
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public:
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std::pair<mirror::Class*, mirror::Class*> LoadClasses(const std::string& class_name)
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REQUIRES_SHARED(Locks::mutator_lock_) {
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jobject jclass_loader_a = LoadDex("IMTA");
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CHECK(jclass_loader_a != nullptr);
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jobject jclass_loader_b = LoadDex("IMTB");
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CHECK(jclass_loader_b != nullptr);
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ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
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Thread* self = Thread::Current();
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StackHandleScope<3> hs(self);
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MutableHandle<mirror::ClassLoader> h_class_loader = hs.NewHandle<mirror::ClassLoader>(nullptr);
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// A.
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h_class_loader.Assign(
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ObjPtr<mirror::ClassLoader>::DownCast(self->DecodeJObject(jclass_loader_a)));
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Handle<mirror::Class> h_class_a(
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hs.NewHandle(class_linker->FindClass(self, class_name.c_str(), h_class_loader)));
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if (h_class_a == nullptr) {
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LOG(ERROR) << self->GetException()->Dump();
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CHECK(false) << "h_class_a == nullptr";
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}
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// B.
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h_class_loader.Assign(
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ObjPtr<mirror::ClassLoader>::DownCast(self->DecodeJObject(jclass_loader_b)));
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Handle<mirror::Class> h_class_b(
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hs.NewHandle(class_linker->FindClass(self, class_name.c_str(), h_class_loader)));
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if (h_class_b == nullptr) {
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LOG(ERROR) << self->GetException()->Dump();
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CHECK(false) << "h_class_b == nullptr";
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}
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return std::make_pair(h_class_a.Get(), h_class_b.Get());
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}
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std::pair<ArtMethod*, ArtMethod*> LoadMethods(const std::string& class_name,
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const std::string& method_name)
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REQUIRES_SHARED(Locks::mutator_lock_) {
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std::pair<mirror::Class*, mirror::Class*> classes = LoadClasses(class_name);
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const PointerSize pointer_size = Runtime::Current()->GetClassLinker()->GetImagePointerSize();
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ArtMethod* method_a =
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classes.first->FindDeclaredVirtualMethodByName(method_name, pointer_size);
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ArtMethod* method_b =
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classes.second->FindDeclaredVirtualMethodByName(method_name, pointer_size);
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return std::make_pair(method_a, method_b);
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}
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};
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TEST_F(ImTableTest, NewMethodBefore) {
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ScopedObjectAccess soa(Thread::Current());
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std::pair<ArtMethod*, ArtMethod*> methods = LoadMethods("LInterfaces$A;", "foo");
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CHECK_EQ(ImTable::GetImtIndex(methods.first), ImTable::GetImtIndex(methods.second));
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}
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TEST_F(ImTableTest, NewClassBefore) {
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ScopedObjectAccess soa(Thread::Current());
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std::pair<ArtMethod*, ArtMethod*> methods = LoadMethods("LInterfaces$Z;", "foo");
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CHECK_EQ(ImTable::GetImtIndex(methods.first), ImTable::GetImtIndex(methods.second));
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}
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} // namespace art
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