166 lines
6.2 KiB
C++
166 lines
6.2 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 "dex_cache.h"
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#include <stdio.h>
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#include "art_method-inl.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 "linear_alloc.h"
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#include "mirror/class_loader-inl.h"
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#include "mirror/dex_cache-inl.h"
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#include "scoped_thread_state_change-inl.h"
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namespace art {
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namespace mirror {
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class DexCacheTest : public CommonRuntimeTest {
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protected:
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DexCacheTest() {
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this->use_boot_image_ = true; // Make the Runtime creation cheaper.
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}
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};
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class DexCacheMethodHandlesTest : public DexCacheTest {
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protected:
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void SetUpRuntimeOptions(RuntimeOptions* options) override {
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CommonRuntimeTest::SetUpRuntimeOptions(options);
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}
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};
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TEST_F(DexCacheTest, Open) {
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ScopedObjectAccess soa(Thread::Current());
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StackHandleScope<1> hs(soa.Self());
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ASSERT_TRUE(java_lang_dex_file_ != nullptr);
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Handle<DexCache> dex_cache(
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hs.NewHandle(class_linker_->AllocAndInitializeDexCache(
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soa.Self(), *java_lang_dex_file_, /*class_loader=*/nullptr)));
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ASSERT_TRUE(dex_cache != nullptr);
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// The cache is initially empty.
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EXPECT_EQ(0u, dex_cache->NumStrings());
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EXPECT_EQ(0u, dex_cache->NumResolvedTypes());
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EXPECT_EQ(0u, dex_cache->NumResolvedMethods());
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EXPECT_EQ(0u, dex_cache->NumResolvedFields());
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EXPECT_EQ(0u, dex_cache->NumResolvedMethodTypes());
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}
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TEST_F(DexCacheMethodHandlesTest, Open) {
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ScopedObjectAccess soa(Thread::Current());
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StackHandleScope<1> hs(soa.Self());
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ASSERT_TRUE(java_lang_dex_file_ != nullptr);
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Handle<DexCache> dex_cache(
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hs.NewHandle(class_linker_->AllocAndInitializeDexCache(
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soa.Self(), *java_lang_dex_file_, /*class_loader=*/nullptr)));
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EXPECT_EQ(0u, dex_cache->NumResolvedMethodTypes());
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}
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TEST_F(DexCacheTest, TestResolvedFieldAccess) {
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ScopedObjectAccess soa(Thread::Current());
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jobject jclass_loader(LoadDex("Packages"));
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ASSERT_TRUE(jclass_loader != nullptr);
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StackHandleScope<3> hs(soa.Self());
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Handle<mirror::ClassLoader> class_loader(hs.NewHandle(
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soa.Decode<mirror::ClassLoader>(jclass_loader)));
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Handle<mirror::Class> klass1 =
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hs.NewHandle(class_linker_->FindClass(soa.Self(), "Lpackage1/Package1;", class_loader));
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ASSERT_TRUE(klass1 != nullptr);
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Handle<mirror::Class> klass2 =
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hs.NewHandle(class_linker_->FindClass(soa.Self(), "Lpackage2/Package2;", class_loader));
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ASSERT_TRUE(klass2 != nullptr);
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EXPECT_OBJ_PTR_EQ(klass1->GetDexCache(), klass2->GetDexCache());
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EXPECT_NE(klass1->NumStaticFields(), 0u);
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for (ArtField& field : klass2->GetSFields()) {
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EXPECT_FALSE(
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klass1->ResolvedFieldAccessTest</*throw_on_failure=*/ false>(
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klass2.Get(),
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&field,
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klass1->GetDexCache(),
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field.GetDexFieldIndex()));
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}
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}
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TEST_F(DexCacheMethodHandlesTest, TestResolvedMethodTypes) {
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ScopedObjectAccess soa(Thread::Current());
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jobject jclass_loader(LoadDex("MethodTypes"));
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ASSERT_TRUE(jclass_loader != nullptr);
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StackHandleScope<5> hs(soa.Self());
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Handle<mirror::ClassLoader> class_loader(hs.NewHandle(
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soa.Decode<mirror::ClassLoader>(jclass_loader)));
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Handle<mirror::Class> method_types(
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hs.NewHandle(class_linker_->FindClass(soa.Self(), "LMethodTypes;", class_loader)));
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class_linker_->EnsureInitialized(soa.Self(), method_types, true, true);
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ArtMethod* method1 = method_types->FindClassMethod(
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"method1",
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"(Ljava/lang/String;)Ljava/lang/String;",
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kRuntimePointerSize);
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ASSERT_TRUE(method1 != nullptr);
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ASSERT_FALSE(method1->IsDirect());
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ArtMethod* method2 = method_types->FindClassMethod(
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"method2",
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"(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;",
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kRuntimePointerSize);
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ASSERT_TRUE(method2 != nullptr);
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ASSERT_FALSE(method2->IsDirect());
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const DexFile& dex_file = *(method1->GetDexFile());
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Handle<mirror::DexCache> dex_cache = hs.NewHandle(
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class_linker_->FindDexCache(Thread::Current(), dex_file));
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const dex::MethodId& method1_id = dex_file.GetMethodId(method1->GetDexMethodIndex());
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const dex::MethodId& method2_id = dex_file.GetMethodId(method2->GetDexMethodIndex());
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Handle<mirror::MethodType> method1_type = hs.NewHandle(
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class_linker_->ResolveMethodType(soa.Self(),
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method1_id.proto_idx_,
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dex_cache,
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class_loader));
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Handle<mirror::MethodType> method2_type = hs.NewHandle(
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class_linker_->ResolveMethodType(soa.Self(),
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method2_id.proto_idx_,
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dex_cache,
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class_loader));
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EXPECT_EQ(method1_type.Get(), dex_cache->GetResolvedMethodType(method1_id.proto_idx_));
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EXPECT_EQ(method2_type.Get(), dex_cache->GetResolvedMethodType(method2_id.proto_idx_));
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// The MethodTypes dex file contains a single interface with two abstract
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// methods. It must therefore contain precisely two method IDs.
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ASSERT_EQ(2u, dex_file.NumProtoIds());
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ASSERT_EQ(dex_file.NumProtoIds(), dex_cache->NumResolvedMethodTypes());
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MethodTypeDexCacheType* method_types_cache = dex_cache->GetResolvedMethodTypes();
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for (size_t i = 0; i < dex_file.NumProtoIds(); ++i) {
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const MethodTypeDexCachePair pair = method_types_cache[i].load(std::memory_order_relaxed);
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if (dex::ProtoIndex(pair.index) == method1_id.proto_idx_) {
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ASSERT_EQ(method1_type.Get(), pair.object.Read());
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} else if (dex::ProtoIndex(pair.index) == method2_id.proto_idx_) {
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ASSERT_EQ(method2_type.Get(), pair.object.Read());
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} else {
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ASSERT_TRUE(false);
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}
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}
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}
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} // namespace mirror
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} // namespace art
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