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