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191 lines
7.8 KiB
191 lines
7.8 KiB
/*
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* Copyright (C) 2014 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 <jni.h>
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#include <vector>
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#include "art_field-inl.h"
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#include "base/enums.h"
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#include "common_runtime_test.h"
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#include "mirror/field.h"
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#include "proxy_test.h"
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#include "scoped_thread_state_change-inl.h"
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#include "well_known_classes.h"
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namespace art {
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namespace proxy_test {
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class ProxyTest : public CommonRuntimeTest {
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protected:
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void SetUp() override {
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CommonRuntimeTest::SetUp();
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// The creation of a Proxy class uses WellKnownClasses. These are not normally initialized by
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// CommonRuntimeTest so we need to do that now.
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WellKnownClasses::Clear();
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WellKnownClasses::Init(art::Thread::Current()->GetJniEnv());
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// Since we aren't actually calling any of the native functions we can just immediately call
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// LateInit after calling Init.
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WellKnownClasses::LateInit(art::Thread::Current()->GetJniEnv());
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}
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};
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// Creates a proxy class and check ClassHelper works correctly.
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TEST_F(ProxyTest, ProxyClassHelper) {
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ScopedObjectAccess soa(Thread::Current());
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jobject jclass_loader = LoadDex("Interfaces");
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StackHandleScope<4> hs(soa.Self());
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Handle<mirror::ClassLoader> class_loader(
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hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader)));
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Handle<mirror::Class> I(hs.NewHandle(
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class_linker_->FindClass(soa.Self(), "LInterfaces$I;", class_loader)));
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Handle<mirror::Class> J(hs.NewHandle(
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class_linker_->FindClass(soa.Self(), "LInterfaces$J;", class_loader)));
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ASSERT_TRUE(I != nullptr);
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ASSERT_TRUE(J != nullptr);
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std::vector<Handle<mirror::Class>> interfaces;
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interfaces.push_back(I);
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interfaces.push_back(J);
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Handle<mirror::Class> proxy_class(hs.NewHandle(
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GenerateProxyClass(soa, jclass_loader, class_linker_, "$Proxy1234", interfaces)));
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interfaces.clear(); // Don't least possibly stale objects in the array as good practice.
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ASSERT_TRUE(proxy_class != nullptr);
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ASSERT_TRUE(proxy_class->IsProxyClass());
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ASSERT_TRUE(proxy_class->IsInitialized());
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EXPECT_EQ(2U, proxy_class->NumDirectInterfaces()); // Interfaces$I and Interfaces$J.
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EXPECT_OBJ_PTR_EQ(I.Get(), mirror::Class::GetDirectInterface(soa.Self(), proxy_class.Get(), 0));
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EXPECT_OBJ_PTR_EQ(J.Get(), mirror::Class::GetDirectInterface(soa.Self(), proxy_class.Get(), 1));
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std::string temp;
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const char* proxy_class_descriptor = proxy_class->GetDescriptor(&temp);
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EXPECT_STREQ("L$Proxy1234;", proxy_class_descriptor);
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EXPECT_EQ(nullptr, proxy_class->GetSourceFile());
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}
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// Creates a proxy class and check FieldHelper works correctly.
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TEST_F(ProxyTest, ProxyFieldHelper) {
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ScopedObjectAccess soa(Thread::Current());
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jobject jclass_loader = LoadDex("Interfaces");
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StackHandleScope<9> hs(soa.Self());
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Handle<mirror::ClassLoader> class_loader(
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hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader)));
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Handle<mirror::Class> I(hs.NewHandle(
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class_linker_->FindClass(soa.Self(), "LInterfaces$I;", class_loader)));
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Handle<mirror::Class> J(hs.NewHandle(
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class_linker_->FindClass(soa.Self(), "LInterfaces$J;", class_loader)));
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ASSERT_TRUE(I != nullptr);
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ASSERT_TRUE(J != nullptr);
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Handle<mirror::Class> proxyClass;
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{
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std::vector<Handle<mirror::Class>> interfaces;
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interfaces.push_back(I);
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interfaces.push_back(J);
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proxyClass = hs.NewHandle(
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GenerateProxyClass(soa, jclass_loader, class_linker_, "$Proxy1234", interfaces));
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}
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ASSERT_TRUE(proxyClass != nullptr);
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ASSERT_TRUE(proxyClass->IsProxyClass());
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ASSERT_TRUE(proxyClass->IsInitialized());
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EXPECT_TRUE(proxyClass->GetIFieldsPtr() == nullptr);
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LengthPrefixedArray<ArtField>* static_fields = proxyClass->GetSFieldsPtr();
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ASSERT_TRUE(static_fields != nullptr);
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ASSERT_EQ(2u, proxyClass->NumStaticFields());
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Handle<mirror::Class> interfacesFieldClass(
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hs.NewHandle(class_linker_->FindSystemClass(soa.Self(), "[Ljava/lang/Class;")));
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ASSERT_TRUE(interfacesFieldClass != nullptr);
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Handle<mirror::Class> throwsFieldClass(
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hs.NewHandle(class_linker_->FindSystemClass(soa.Self(), "[[Ljava/lang/Class;")));
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ASSERT_TRUE(throwsFieldClass != nullptr);
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// Test "Class[] interfaces" field.
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ArtField* field = &static_fields->At(0);
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EXPECT_STREQ("interfaces", field->GetName());
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EXPECT_STREQ("[Ljava/lang/Class;", field->GetTypeDescriptor());
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EXPECT_OBJ_PTR_EQ(interfacesFieldClass.Get(), field->ResolveType());
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std::string temp;
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EXPECT_STREQ("L$Proxy1234;", field->GetDeclaringClass()->GetDescriptor(&temp));
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EXPECT_FALSE(field->IsPrimitiveType());
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// Test "Class[][] throws" field.
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field = &static_fields->At(1);
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EXPECT_STREQ("throws", field->GetName());
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EXPECT_STREQ("[[Ljava/lang/Class;", field->GetTypeDescriptor());
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EXPECT_OBJ_PTR_EQ(throwsFieldClass.Get(), field->ResolveType());
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EXPECT_STREQ("L$Proxy1234;", field->GetDeclaringClass()->GetDescriptor(&temp));
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EXPECT_FALSE(field->IsPrimitiveType());
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}
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// Creates two proxy classes and check the art/mirror fields of their static fields.
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TEST_F(ProxyTest, CheckArtMirrorFieldsOfProxyStaticFields) {
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ScopedObjectAccess soa(Thread::Current());
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jobject jclass_loader = LoadDex("Interfaces");
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StackHandleScope<7> hs(soa.Self());
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Handle<mirror::Class> proxyClass0;
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Handle<mirror::Class> proxyClass1;
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{
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std::vector<Handle<mirror::Class>> interfaces;
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proxyClass0 = hs.NewHandle(
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GenerateProxyClass(soa, jclass_loader, class_linker_, "$Proxy0", interfaces));
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proxyClass1 = hs.NewHandle(
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GenerateProxyClass(soa, jclass_loader, class_linker_, "$Proxy1", interfaces));
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}
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ASSERT_TRUE(proxyClass0 != nullptr);
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ASSERT_TRUE(proxyClass0->IsProxyClass());
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ASSERT_TRUE(proxyClass0->IsInitialized());
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ASSERT_TRUE(proxyClass1 != nullptr);
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ASSERT_TRUE(proxyClass1->IsProxyClass());
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ASSERT_TRUE(proxyClass1->IsInitialized());
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LengthPrefixedArray<ArtField>* static_fields0 = proxyClass0->GetSFieldsPtr();
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ASSERT_TRUE(static_fields0 != nullptr);
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ASSERT_EQ(2u, static_fields0->size());
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LengthPrefixedArray<ArtField>* static_fields1 = proxyClass1->GetSFieldsPtr();
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ASSERT_TRUE(static_fields1 != nullptr);
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ASSERT_EQ(2u, static_fields1->size());
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EXPECT_OBJ_PTR_EQ(static_fields0->At(0).GetDeclaringClass(), proxyClass0.Get());
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EXPECT_OBJ_PTR_EQ(static_fields0->At(1).GetDeclaringClass(), proxyClass0.Get());
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EXPECT_OBJ_PTR_EQ(static_fields1->At(0).GetDeclaringClass(), proxyClass1.Get());
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EXPECT_OBJ_PTR_EQ(static_fields1->At(1).GetDeclaringClass(), proxyClass1.Get());
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ASSERT_EQ(Runtime::Current()->GetClassLinker()->GetImagePointerSize(), kRuntimePointerSize);
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ASSERT_FALSE(Runtime::Current()->IsActiveTransaction());
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Handle<mirror::Field> field00 =
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hs.NewHandle(mirror::Field::CreateFromArtField(soa.Self(), &static_fields0->At(0), true));
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Handle<mirror::Field> field01 =
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hs.NewHandle(mirror::Field::CreateFromArtField(soa.Self(), &static_fields0->At(1), true));
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Handle<mirror::Field> field10 =
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hs.NewHandle(mirror::Field::CreateFromArtField(soa.Self(), &static_fields1->At(0), true));
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Handle<mirror::Field> field11 =
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hs.NewHandle(mirror::Field::CreateFromArtField(soa.Self(), &static_fields1->At(1), true));
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EXPECT_EQ(field00->GetArtField(), &static_fields0->At(0));
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EXPECT_EQ(field01->GetArtField(), &static_fields0->At(1));
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EXPECT_EQ(field10->GetArtField(), &static_fields1->At(0));
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EXPECT_EQ(field11->GetArtField(), &static_fields1->At(1));
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}
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} // namespace proxy_test
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} // namespace art
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