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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 "method_verifier.h"
#include <stdio.h>
#include <memory>
#include "android-base/strings.h"
#include "base/metrics/metrics_test.h"
#include "base/utils.h"
#include "class_linker-inl.h"
#include "class_verifier.h"
#include "common_runtime_test.h"
#include "dex/dex_file-inl.h"
#include "scoped_thread_state_change-inl.h"
#include "verifier_enums.h"
namespace art {
namespace verifier {
using metrics::test::CounterValue;
class MethodVerifierTest : public CommonRuntimeTest {
protected:
MethodVerifierTest() {
use_boot_image_ = true; // Make the Runtime creation cheaper.
}
void VerifyClass(const std::string& descriptor)
REQUIRES_SHARED(Locks::mutator_lock_) {
ASSERT_FALSE(descriptor.empty());
Thread* self = Thread::Current();
StackHandleScope<3> hs(self);
Handle<mirror::Class> klass(
hs.NewHandle(class_linker_->FindSystemClass(self, descriptor.c_str())));
Handle<mirror::DexCache> dex_cache(hs.NewHandle(klass->GetDexCache()));
Handle<mirror::ClassLoader> loader(hs.NewHandle(klass->GetClassLoader()));
// Verify the class
std::string error_msg;
FailureKind failure = ClassVerifier::VerifyClass(self,
/* verifier_deps= */ nullptr,
dex_cache->GetDexFile(),
klass,
dex_cache,
loader,
*klass->GetClassDef(),
nullptr,
HardFailLogMode::kLogWarning,
/* api_level= */ 0u,
&error_msg);
if (android::base::StartsWith(descriptor, "Ljava/lang/invoke")) {
ASSERT_TRUE(failure == FailureKind::kSoftFailure ||
failure == FailureKind::kNoFailure) << error_msg;
} else {
ASSERT_TRUE(failure == FailureKind::kNoFailure) << error_msg;
}
}
void VerifyDexFile(const DexFile& dex)
REQUIRES_SHARED(Locks::mutator_lock_) {
// Verify all the classes defined in this file
for (size_t i = 0; i < dex.NumClassDefs(); i++) {
const dex::ClassDef& class_def = dex.GetClassDef(i);
const char* descriptor = dex.GetClassDescriptor(class_def);
VerifyClass(descriptor);
}
}
};
TEST_F(MethodVerifierTest, LibCore) {
ScopedObjectAccess soa(Thread::Current());
ASSERT_TRUE(java_lang_dex_file_ != nullptr);
VerifyDexFile(*java_lang_dex_file_);
}
// Make sure verification time metrics are collected.
TEST_F(MethodVerifierTest, VerificationTimeMetrics) {
ScopedObjectAccess soa(Thread::Current());
ASSERT_TRUE(java_lang_dex_file_ != nullptr);
auto* class_verification_total_time = GetMetrics()->ClassVerificationTotalTime();
auto* class_verification_count = GetMetrics()->ClassVerificationCount();
const uint64_t original_time = CounterValue(*class_verification_total_time);
const uint64_t original_count = CounterValue(*class_verification_count);
VerifyDexFile(*java_lang_dex_file_);
ASSERT_GT(CounterValue(*class_verification_total_time), original_time);
ASSERT_GT(CounterValue(*class_verification_count), original_count);
}
} // namespace verifier
} // namespace art
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