xref: /art/compiler/jni/jni_compiler_test.cc

/*
 * 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 <memory>
#include <type_traits>

#include <math.h>

#include "art_method-inl.h"
#include "base/bit_utils.h"
#include "base/casts.h"
#include "base/mem_map.h"
#include "class_linker.h"
#include "common_compiler_test.h"
#include "compiler.h"
#include "dex/dex_file.h"
#include "entrypoints/entrypoint_utils-inl.h"
#include "gtest/gtest.h"
#include "indirect_reference_table.h"
#include "java_frame_root_info.h"
#include "jni/java_vm_ext.h"
#include "jni/jni_internal.h"
#include "mirror/class-inl.h"
#include "mirror/class_loader.h"
#include "mirror/object-inl.h"
#include "mirror/object_array-inl.h"
#include "mirror/stack_trace_element-inl.h"
#include "nativehelper/ScopedLocalRef.h"
#include "nativeloader/native_loader.h"
#include "oat_quick_method_header.h"
#include "runtime.h"
#include "scoped_thread_state_change-inl.h"
#include "thread.h"

extern "C" JNIEXPORT jint JNICALL Java_MyClassNatives_bar(JNIEnv*, jobject, jint count) {
  return count + 1;
}

// Note: JNI name mangling "_" -> "_1".
extern "C" JNIEXPORT jint JNICALL Java_MyClassNatives_bar_1Fast(JNIEnv*, jobject, jint count) {
  return count + 1;
}

extern "C" JNIEXPORT jint JNICALL Java_MyClassNatives_sbar(JNIEnv*, jclass, jint count) {
  return count + 1;
}

// Note: JNI name mangling "_" -> "_1".
extern "C" JNIEXPORT jint JNICALL Java_MyClassNatives_sbar_1Fast(JNIEnv*, jclass, jint count) {
  return count + 1;
}

// Note: JNI name mangling "_" -> "_1".
extern "C" JNIEXPORT jint JNICALL Java_MyClassNatives_sbar_1Critical(jint count) {
  return count + 1;
}

// TODO: In the Baker read barrier configuration, add checks to ensure
// the Marking Register's value is correct.

namespace art {

enum class JniKind {
  kNormal,      // Regular kind of un-annotated natives.
  kFast,        // Native method annotated with @FastNative.
  kCritical,    // Native method annotated with @CriticalNative.
  kCount        // How many different types of JNIs we can have.
};

// Used to initialize array sizes that want to have different state per current jni.
static constexpr size_t kJniKindCount = static_cast<size_t>(JniKind::kCount);
// Do not use directly, use the helpers instead.
uint32_t gCurrentJni = static_cast<uint32_t>(JniKind::kNormal);

// Is the current native method under test @CriticalNative?
static bool IsCurrentJniCritical() {
  return gCurrentJni == static_cast<uint32_t>(JniKind::kCritical);
}

// Is the current native method under test @FastNative?
static bool IsCurrentJniFast() {
  return gCurrentJni == static_cast<uint32_t>(JniKind::kFast);
}

// Is the current native method a plain-old non-annotated native?
static bool IsCurrentJniNormal() {
  return gCurrentJni == static_cast<uint32_t>(JniKind::kNormal);
}

// Signify that a different kind of JNI is about to be tested.
static void UpdateCurrentJni(JniKind kind) {
  gCurrentJni = static_cast<uint32_t>(kind);
}

// (Match the name suffixes of native methods in MyClassNatives.java)
static std::string CurrentJniStringSuffix() {
  switch (gCurrentJni) {
    case static_cast<uint32_t>(JniKind::kNormal): {
      return "";
    }
    case static_cast<uint32_t>(JniKind::kFast): {
      return "_Fast";
    }
    case static_cast<uint32_t>(JniKind::kCritical): {
      return "_Critical";
    }
    default:
      LOG(FATAL) << "Invalid current JNI value: " << gCurrentJni;
      UNREACHABLE();
  }
}

// Fake values passed to our JNI handlers when we enter @CriticalNative.
// Normally @CriticalNative calling convention strips out the "JNIEnv*, jclass" parameters.
// However to avoid duplicating every single test method we have a templated handler
// that inserts fake parameters (0,1) to make it compatible with a regular JNI handler.
static JNIEnv* const kCriticalFakeJniEnv = reinterpret_cast<JNIEnv*>(0xDEADFEAD);
static jclass const kCriticalFakeJniClass = reinterpret_cast<jclass>(0xBEAFBEEF);

// Type trait. Returns true if "T" is the same type as one of the types in Args...
//
// Logically equal to OR(std::same_type<T, U> for all U in Args).
template <typename T, typename ... Args>
struct is_any_of;

template <typename T, typename U, typename ... Args>
struct is_any_of<T, U, Args ...> {
  using value_type = bool;
  static constexpr const bool value = std::is_same<T, U>::value || is_any_of<T, Args ...>::value;
};

template <typename T, typename U>
struct is_any_of<T, U> {
  using value_type = bool;
  static constexpr const bool value = std::is_same<T, U>::value;
};

// Type traits for JNI types.
template <typename T>
struct jni_type_traits {
  // True if type T ends up holding an object reference. False otherwise.
  // (Non-JNI types will also be false).
  static constexpr const bool is_ref =
      is_any_of<T, jclass, jobject, jstring, jobjectArray, jintArray,
                jcharArray, jfloatArray, jshortArray, jdoubleArray, jlongArray>::value;
};

// Base case: No parameters = 0 refs.
size_t count_nonnull_refs_helper() {
  return 0;
}

// SFINAE for ref types. 1 if non-null, 0 otherwise.
template <typename T>
size_t count_nonnull_refs_single_helper(T arg,
                                        typename std::enable_if<jni_type_traits<T>::is_ref>::type*
                                            = nullptr) {
  return ((arg == NULL) ? 0 : 1);
}

// SFINAE for non-ref-types. Always 0.
template <typename T>
size_t count_nonnull_refs_single_helper(T arg ATTRIBUTE_UNUSED,
                                        typename std::enable_if<!jni_type_traits<T>::is_ref>::type*
                                            = nullptr) {
  return 0;
}

// Recursive case.
template <typename T, typename ... Args>
size_t count_nonnull_refs_helper(T arg, Args ... args) {
  return count_nonnull_refs_single_helper(arg) + count_nonnull_refs_helper(args...);
}

// Given any list of parameters, check how many object refs there are and only count
// them if their runtime value is non-null.
//
// For example given (jobject, jint, jclass) we can get (2) if both #0/#2 are non-null,
// (1) if either #0/#2 are null but not both, and (0) if all parameters are null.
// Primitive parameters (including JNIEnv*, if present) are ignored.
template <typename ... Args>
size_t count_nonnull_refs(Args ... args) {
  return count_nonnull_refs_helper(args...);
}

template <typename T, T* fn>
struct remove_extra_parameters_helper;

template <typename R, typename Arg1, typename Arg2, typename ... Args, R (*fn)(Arg1, Arg2, Args...)>
struct remove_extra_parameters_helper<R(Arg1, Arg2, Args...), fn> {
  // Note: Do not use Args&& here to maintain C-style parameter types.
  static R apply(Args... args) {
    JNIEnv* env = kCriticalFakeJniEnv;
    jclass kls = kCriticalFakeJniClass;
    return fn(env, kls, args...);
  }
};

// Given a function 'fn' create a function 'apply' which will omit the JNIEnv/jklass parameters
//
// i.e. if fn(JNIEnv*,jklass,a,b,c,d,e...) then apply(a,b,c,d,e,...)
template <typename T, T* fn>
struct jni_remove_extra_parameters : public remove_extra_parameters_helper<T, fn> {};

class JniCompilerTest : public CommonCompilerTest {
 protected:
  void SetUp() override {
    CommonCompilerTest::SetUp();
    check_generic_jni_ = false;
  }

  void TearDown() override {
    android::ResetNativeLoader();
    CommonCompilerTest::TearDown();
  }

  void SetCheckGenericJni(bool generic) {
    check_generic_jni_ = generic;
  }

 private:
  void CompileForTest(jobject class_loader,
                      bool direct,
                      const char* method_name,
                      const char* method_sig) {
    ScopedObjectAccess soa(Thread::Current());
    StackHandleScope<2> hs(soa.Self());
    Handle<mirror::ClassLoader> loader(
        hs.NewHandle(soa.Decode<mirror::ClassLoader>(class_loader)));
    // Compile the native method before starting the runtime
    Handle<mirror::Class> c =
        hs.NewHandle(class_linker_->FindClass(soa.Self(), "LMyClassNatives;", loader));
    const auto pointer_size = class_linker_->GetImagePointerSize();
    ArtMethod* method = c->FindClassMethod(method_name, method_sig, pointer_size);
    ASSERT_TRUE(method != nullptr) << method_name << " " << method_sig;
    ASSERT_EQ(direct, method->IsDirect()) << method_name << " " << method_sig;
    if (direct) {
      // Class initialization could replace the entrypoint, so force
      // the initialization before we set up the entrypoint below.
      class_linker_->EnsureInitialized(
          soa.Self(), c, /*can_init_fields=*/ true, /*can_init_parents=*/ true);
      class_linker_->MakeInitializedClassesVisiblyInitialized(soa.Self(), /*wait=*/ true);
    }
    if (check_generic_jni_) {
      method->SetEntryPointFromQuickCompiledCode(class_linker_->GetRuntimeQuickGenericJniStub());
    } else {
      const void* code = method->GetEntryPointFromQuickCompiledCode();
      if (code == nullptr || class_linker_->IsQuickGenericJniStub(code)) {
        CompileMethod(method);
        ASSERT_TRUE(method->GetEntryPointFromQuickCompiledCode() != nullptr)
            << method_name << " " << method_sig;
      }
    }
  }

 protected:
  void CompileForTestWithCurrentJni(jobject class_loader,
                                    bool direct,
                                    const char* method_name_orig,
                                    const char* method_sig) {
    // Append the JNI kind to the method name, so that we automatically get the
    // fast or critical versions of the same method.
    std::string method_name_str = std::string(method_name_orig) + CurrentJniStringSuffix();
    const char* method_name = method_name_str.c_str();

    CompileForTest(class_loader, direct, method_name, method_sig);
  }

  void SetUpForTest(bool direct,
                    const char* method_name_orig,
                    const char* method_sig,
                    void* native_fnptr) {
    // Append the JNI kind to the method name, so that we automatically get the
    // fast or critical versions of the same method.
    std::string method_name_str = std::string(method_name_orig) + CurrentJniStringSuffix();
    const char* method_name = method_name_str.c_str();

    // Initialize class loader and compile method when runtime not started.
    if (!runtime_->IsStarted()) {
      {
        ScopedObjectAccess soa(Thread::Current());
        class_loader_ = LoadDex("MyClassNatives");
      }
      CompileForTest(class_loader_, direct, method_name, method_sig);
      // Start runtime.
      Thread::Current()->TransitionFromSuspendedToRunnable();
      android::InitializeNativeLoader();
      bool started = runtime_->Start();
      CHECK(started);
    }
    // JNI operations after runtime start.
    env_ = Thread::Current()->GetJniEnv();
    jklass_ = env_->FindClass("MyClassNatives");
    ASSERT_TRUE(jklass_ != nullptr) << method_name << " " << method_sig;

    if (direct) {
      jmethod_ = env_->GetStaticMethodID(jklass_, method_name, method_sig);
    } else {
      jmethod_ = env_->GetMethodID(jklass_, method_name, method_sig);
    }
    ASSERT_TRUE(jmethod_ != nullptr) << method_name << " " << method_sig;

    // Make sure the test class is visibly initialized so that the RegisterNatives() below
    // sets the JNI entrypoint rather than leaving it as null (this test pretends to be an
    // AOT compiler and therefore the ClassLinker skips entrypoint initialization). Even
    // if the ClassLinker initialized it with a stub, we would not want to test that here.
    class_linker_->MakeInitializedClassesVisiblyInitialized(Thread::Current(), /*wait=*/ true);

    if (native_fnptr != nullptr) {
      JNINativeMethod methods[] = { { method_name, method_sig, native_fnptr } };
      ASSERT_EQ(JNI_OK, env_->RegisterNatives(jklass_, methods, 1))
              << method_name << " " << method_sig;
    } else {
      env_->UnregisterNatives(jklass_);
    }

    jmethodID constructor = env_->GetMethodID(jklass_, "<init>", "()V");
    jobj_ = env_->NewObject(jklass_, constructor);
    ASSERT_TRUE(jobj_ != nullptr) << method_name << " " << method_sig;
  }

 public:
  // Available as statics so our JNI handlers can access these.
  static jclass jklass_;
  static jobject jobj_;
  static jobject class_loader_;

  static void AssertCallerObjectLocked(JNIEnv* env);

  static LockWord GetLockWord(jobject obj);

 protected:
  // We have to list the methods here so we can share them between default and generic JNI.
  void CompileAndRunNoArgMethodImpl();
  void CompileAndRunIntMethodThroughStubImpl();
  void CompileAndRunStaticIntMethodThroughStubImpl();
  void CompileAndRunIntMethodImpl();
  void CompileAndRunIntIntMethodImpl();
  void CompileAndRunLongLongMethodImpl();
  void CompileAndRunDoubleDoubleMethodImpl();
  void CompileAndRun_fooJJ_synchronizedImpl();
  void CompileAndRunIntObjectObjectMethodImpl();
  void CompileAndRunStaticIntIntMethodImpl();
  void CompileAndRunStaticDoubleDoubleMethodImpl();
  void RunStaticLogDoubleMethodImpl();
  void RunStaticLogFloatMethodImpl();
  void RunStaticReturnTrueImpl();
  void RunStaticReturnFalseImpl();
  void RunGenericStaticReturnIntImpl();
  void RunGenericStaticReturnDoubleImpl();
  void RunGenericStaticReturnLongImpl();
  void CompileAndRunStaticIntObjectObjectMethodImpl();
  void CompileAndRunStaticSynchronizedIntObjectObjectMethodImpl();
  void ExceptionHandlingImpl();
  void NativeStackTraceElementImpl();
  void ReturnGlobalRefImpl();
  void LocalReferenceTableClearingTestImpl();
  void JavaLangSystemArrayCopyImpl();
  void CompareAndSwapIntImpl();
  void GetTextImpl();
  void GetSinkPropertiesNativeImpl();
  void UpcallReturnTypeChecking_InstanceImpl();
  void UpcallReturnTypeChecking_StaticImpl();
  void UpcallArgumentTypeChecking_InstanceImpl();
  void UpcallArgumentTypeChecking_StaticImpl();
  void CompileAndRunFloatFloatMethodImpl();
  void CheckParameterAlignImpl();
  void MaxParamNumberImpl();
  void WithoutImplementationImpl();
  void WithoutImplementationRefReturnImpl();
  void StaticWithoutImplementationImpl();
  void StackArgsIntsFirstImpl();
  void StackArgsFloatsFirstImpl();
  void StackArgsMixedImpl();

  void NormalNativeImpl();
  void FastNativeImpl();
  void CriticalNativeImpl();

  JNIEnv* env_;
  jmethodID jmethod_;

 private:
  bool check_generic_jni_;
};

jclass JniCompilerTest::jklass_;
jobject JniCompilerTest::jobj_;
jobject JniCompilerTest::class_loader_;

void JniCompilerTest::AssertCallerObjectLocked(JNIEnv* env) {
  Thread* self = down_cast<JNIEnvExt*>(env)->GetSelf();
  CHECK_EQ(self, Thread::Current());
  ScopedObjectAccess soa(self);
  ArtMethod** caller_frame = self->GetManagedStack()->GetTopQuickFrame();
  CHECK(caller_frame != nullptr);
  ArtMethod* caller = *caller_frame;
  CHECK(caller != nullptr);
  CHECK(caller->IsNative());
  CHECK(!caller->IsFastNative());
  CHECK(!caller->IsCriticalNative());
  CHECK(caller->IsSynchronized());
  ObjPtr<mirror::Object> lock;
  if (self->GetManagedStack()->GetTopQuickFrameTag()) {
    // Generic JNI.
    lock = GetGenericJniSynchronizationObject(self, caller);
  } else if (caller->IsStatic()) {
    lock = caller->GetDeclaringClass();
  } else {
    uint8_t* sp = reinterpret_cast<uint8_t*>(caller_frame);
    const void* code_ptr = EntryPointToCodePointer(caller->GetEntryPointFromQuickCompiledCode());
    OatQuickMethodHeader* method_header = OatQuickMethodHeader::FromCodePointer(code_ptr);
    size_t frame_size = method_header->GetFrameSizeInBytes();
    StackReference<mirror::Object>* this_ref = reinterpret_cast<StackReference<mirror::Object>*>(
        sp + frame_size + static_cast<size_t>(kRuntimePointerSize));
    lock = this_ref->AsMirrorPtr();
  }
  CHECK_EQ(Monitor::GetLockOwnerThreadId(lock), self->GetThreadId());
}

LockWord JniCompilerTest::GetLockWord(jobject obj) {
  ScopedObjectAccess soa(Thread::Current());
  return soa.Decode<mirror::Object>(obj)->GetLockWord(/*as_volatile=*/ false);
}

// Test the normal compiler and normal generic JNI only.
// The following features are unsupported in @FastNative:
// 1) synchronized keyword
# define JNI_TEST_NORMAL_ONLY(TestName)          \
  TEST_F(JniCompilerTest, TestName ## NormalCompiler) { \
    ScopedCheckHandleScope top_handle_scope_check;  \
    SCOPED_TRACE("Normal JNI with compiler");    \
    gCurrentJni = static_cast<uint32_t>(JniKind::kNormal); \
    TestName ## Impl();                          \
  }                                              \
  TEST_F(JniCompilerTest, TestName ## NormalGeneric) { \
    ScopedCheckHandleScope top_handle_scope_check;  \
    SCOPED_TRACE("Normal JNI with generic");     \
    gCurrentJni = static_cast<uint32_t>(JniKind::kNormal); \
    SetCheckGenericJni(true);                    \
    TestName ## Impl();                          \
  }

// Test (normal, @FastNative) x (compiler, generic).
#define JNI_TEST(TestName) \
  JNI_TEST_NORMAL_ONLY(TestName)                 \
  TEST_F(JniCompilerTest, TestName ## FastCompiler) {    \
    ScopedCheckHandleScope top_handle_scope_check;  \
    SCOPED_TRACE("@FastNative JNI with compiler");  \
    gCurrentJni = static_cast<uint32_t>(JniKind::kFast); \
    TestName ## Impl();                          \
  }                                              \
                                                 \
  TEST_F(JniCompilerTest, TestName ## FastGeneric) { \
    ScopedCheckHandleScope top_handle_scope_check;  \
    SCOPED_TRACE("@FastNative JNI with generic");  \
    gCurrentJni = static_cast<uint32_t>(JniKind::kFast); \
    SetCheckGenericJni(true);                    \
    TestName ## Impl();                          \
  }

// Test (@CriticalNative) x (compiler, generic) only.
#define JNI_TEST_CRITICAL_ONLY(TestName) \
  TEST_F(JniCompilerTest, TestName ## CriticalCompiler) { \
    ScopedCheckHandleScope top_handle_scope_check;  \
    SCOPED_TRACE("@CriticalNative JNI with compiler");  \
    gCurrentJni = static_cast<uint32_t>(JniKind::kCritical); \
    TestName ## Impl();                          \
  }                                              \
  TEST_F(JniCompilerTest, TestName ## CriticalGeneric) { \
    ScopedCheckHandleScope top_handle_scope_check;  \
    SCOPED_TRACE("@CriticalNative JNI with generic");  \
    gCurrentJni = static_cast<uint32_t>(JniKind::kCritical); \
    SetCheckGenericJni(true);                    \
    TestName ## Impl();                          \
  }

// Test everything: (normal, @FastNative, @CriticalNative) x (compiler, generic).
#define JNI_TEST_CRITICAL(TestName)              \
  JNI_TEST(TestName)                             \
  JNI_TEST_CRITICAL_ONLY(TestName)               \

static void expectValidThreadState() {
  // Normal JNI always transitions to "Native". Other JNIs stay in the "Runnable" state.
  if (IsCurrentJniNormal()) {
    EXPECT_EQ(ThreadState::kNative, Thread::Current()->GetState());
  } else {
    EXPECT_EQ(ThreadState::kRunnable, Thread::Current()->GetState());
  }
}

#define EXPECT_THREAD_STATE_FOR_CURRENT_JNI() expectValidThreadState()

static void expectValidMutatorLockHeld() {
  if (IsCurrentJniNormal()) {
    Locks::mutator_lock_->AssertNotHeld(Thread::Current());
  } else {
    Locks::mutator_lock_->AssertSharedHeld(Thread::Current());
  }
}

#define EXPECT_MUTATOR_LOCK_FOR_CURRENT_JNI() expectValidMutatorLockHeld()

static void expectValidJniEnvAndObject(JNIEnv* env, jobject thisObj) {
  if (!IsCurrentJniCritical()) {
    EXPECT_EQ(Thread::Current()->GetJniEnv(), env);
    ASSERT_TRUE(thisObj != nullptr);
    EXPECT_TRUE(env->IsInstanceOf(thisObj, JniCompilerTest::jklass_));
  } else {
    LOG(FATAL) << "Objects are not supported for @CriticalNative, why is this being tested?";
    UNREACHABLE();
  }
}

// Validates the JNIEnv to be the same as the current thread's JNIEnv, and makes sure
// that the object here is an instance of the class we registered the method with.
//
// Hard-fails if this somehow gets invoked for @CriticalNative since objects are unsupported.
#define EXPECT_JNI_ENV_AND_OBJECT_FOR_CURRENT_JNI(env, thisObj) \
    expectValidJniEnvAndObject(env, thisObj)

static void expectValidJniEnvAndClass(JNIEnv* env, jclass kls) {
  if (!IsCurrentJniCritical()) {
    EXPECT_EQ(Thread::Current()->GetJniEnv(), env);
    ASSERT_TRUE(kls != nullptr);
    EXPECT_TRUE(env->IsSameObject(static_cast<jobject>(JniCompilerTest::jklass_),
                                  static_cast<jobject>(kls)));
  } else {
    // This is pretty much vacuously true but catch any testing setup mistakes.
    EXPECT_EQ(env, kCriticalFakeJniEnv);
    EXPECT_EQ(kls, kCriticalFakeJniClass);
  }
}

// Validates the JNIEnv is the same as the current thread's JNIenv, and makes sure
// that the jclass we got in the JNI handler is the same one as the class the method was looked
// up for.
//
// (Checks are skipped for @CriticalNative since the two values are fake).
#define EXPECT_JNI_ENV_AND_CLASS_FOR_CURRENT_JNI(env, kls) expectValidJniEnvAndClass(env, kls)

// Temporarily disable the EXPECT_NUM_STACK_REFERENCES check (for a single test).
struct ScopedDisableCheckNumStackReferences {
  ScopedDisableCheckNumStackReferences() {
    CHECK(sCheckNumStackReferences);  // No nested support.
    sCheckNumStackReferences = false;
  }

  ~ScopedDisableCheckNumStackReferences() {
    sCheckNumStackReferences = true;
  }

  static bool sCheckNumStackReferences;
};

bool ScopedDisableCheckNumStackReferences::sCheckNumStackReferences = true;

// Check that the handle scope at the start of this block is the same
// as the handle scope at the end of the block.
struct ScopedCheckHandleScope {
  ScopedCheckHandleScope() : handle_scope_(Thread::Current()->GetTopHandleScope()) {
  }

  ~ScopedCheckHandleScope() {
    EXPECT_EQ(handle_scope_, Thread::Current()->GetTopHandleScope())
        << "Top-most handle scope must be the same after all the JNI "
        << "invocations have finished (as before they were invoked).";
  }

  BaseHandleScope* const handle_scope_;
};

class CountReferencesVisitor : public RootVisitor {
 public:
  void VisitRoots(mirror::Object*** roots ATTRIBUTE_UNUSED,
                  size_t count,
                  const RootInfo& info) override
      REQUIRES_SHARED(Locks::mutator_lock_) {
    if (info.GetType() == art::RootType::kRootJavaFrame) {
      const JavaFrameRootInfo& jrfi = static_cast<const JavaFrameRootInfo&>(info);
      if (jrfi.GetVReg() == JavaFrameRootInfo::kNativeReferenceArgument) {
        DCHECK_EQ(count, 1u);
        num_references_ += count;
      }
    }
  }

  void VisitRoots(mirror::CompressedReference<mirror::Object>** roots ATTRIBUTE_UNUSED,
                  size_t count ATTRIBUTE_UNUSED,
                  const RootInfo& info) override
      REQUIRES_SHARED(Locks::mutator_lock_) {
    CHECK_NE(info.GetType(), art::RootType::kRootJavaFrame);
  }

  size_t NumReferences() const {
    return num_references_;
  }

 private:
  size_t num_references_ = 0u;
};

// Number of references allocated in handle scopes & JNI shadow frames on this thread.
static size_t NumStackReferences(Thread* self) REQUIRES_SHARED(Locks::mutator_lock_) {
  CountReferencesVisitor visitor;
  self->VisitRoots(&visitor, kVisitRootFlagAllRoots);
  return visitor.NumReferences();
}

static void expectNumStackReferences(size_t expected) {
  // In rare cases when JNI functions call themselves recursively,
  // disable this test because it will have a false negative.
  if (!IsCurrentJniCritical() && ScopedDisableCheckNumStackReferences::sCheckNumStackReferences) {
    /* @CriticalNative doesn't build a HandleScope, so this test is meaningless then. */
    ScopedObjectAccess soa(Thread::Current());

    size_t num_references = NumStackReferences(Thread::Current());
    EXPECT_EQ(expected, num_references);
  }
}

#define EXPECT_NUM_STACK_REFERENCES(expected) expectNumStackReferences(expected)

template <typename T, T* fn>
struct make_jni_test_decorator;

// Decorator for "static" JNI callbacks.
template <typename R, typename ... Args, R (*fn)(JNIEnv*, jclass, Args...)>
struct make_jni_test_decorator<R(JNIEnv*, jclass kls, Args...), fn> {
  static R apply(JNIEnv* env, jclass kls, Args ... args) {
    EXPECT_THREAD_STATE_FOR_CURRENT_JNI();
    EXPECT_MUTATOR_LOCK_FOR_CURRENT_JNI();
    EXPECT_JNI_ENV_AND_CLASS_FOR_CURRENT_JNI(env, kls);
    // All incoming parameters get spilled into the JNI transition frame.
    // The `jclass` is just a reference to the method's declaring class field.
    EXPECT_NUM_STACK_REFERENCES(count_nonnull_refs(args...));

    return fn(env, kls, args...);
  }
};

// Decorator for instance JNI callbacks.
template <typename R, typename ... Args, R (*fn)(JNIEnv*, jobject, Args...)>
struct make_jni_test_decorator<R(JNIEnv*, jobject, Args...), fn> {
  static R apply(JNIEnv* env, jobject thisObj, Args ... args) {
    EXPECT_THREAD_STATE_FOR_CURRENT_JNI();
    EXPECT_MUTATOR_LOCK_FOR_CURRENT_JNI();
    EXPECT_JNI_ENV_AND_OBJECT_FOR_CURRENT_JNI(env, thisObj);
    // All incoming parameters + the implicit 'this' get spilled into the JNI transition frame.
    EXPECT_NUM_STACK_REFERENCES(count_nonnull_refs(thisObj, args...));

    return fn(env, thisObj, args...);
  }
};

// Decorate the regular JNI callee with the extra gtest checks.
// This way we can have common test logic for everything generic like checking if a lock is held,
// checking handle scope state, etc.
#define MAKE_JNI_TEST_DECORATOR(fn) make_jni_test_decorator<decltype(fn), (fn)>::apply

// Convert function f(JNIEnv*,jclass,a,b,c,d...) into f2(a,b,c,d...)
// -- This way we don't have to write out each implementation twice for @CriticalNative.
#define JNI_CRITICAL_WRAPPER(func) jni_remove_extra_parameters<decltype(func), (func)>::apply
// Get a function pointer whose calling convention either matches a regular native
// or a critical native depending on which kind of jni is currently under test.
// -- This also has the benefit of genering a compile time error if the 'func' doesn't properly
//    have JNIEnv and jclass parameters first.
#define CURRENT_JNI_WRAPPER(func)                                                         \
    (IsCurrentJniCritical()                                                               \
         ? reinterpret_cast<void*>(&JNI_CRITICAL_WRAPPER(MAKE_JNI_TEST_DECORATOR(func)))  \
         : reinterpret_cast<void*>(&MAKE_JNI_TEST_DECORATOR(func)))

// Do the opposite of the above. Do *not* wrap the function, instead just cast it to a void*.
// Only for "TEST_JNI_NORMAL_ONLY" configs, and it inserts a test assert to ensure this is the case.
#define NORMAL_JNI_ONLY_NOWRAP(func) \
    ({ ASSERT_TRUE(IsCurrentJniNormal()); reinterpret_cast<void*>(&(func)); })
// Same as above, but with nullptr. When we want to test the stub functionality.
#define NORMAL_OR_FAST_JNI_ONLY_NULLPTR \
    ({ ASSERT_TRUE(IsCurrentJniNormal() || IsCurrentJniFast()); nullptr; })


int gJava_MyClassNatives_foo_calls[kJniKindCount] = {};
void Java_MyClassNatives_foo(JNIEnv*, jobject) {
  gJava_MyClassNatives_foo_calls[gCurrentJni]++;
}

void JniCompilerTest::CompileAndRunNoArgMethodImpl() {
  SetUpForTest(false, "foo", "()V", CURRENT_JNI_WRAPPER(Java_MyClassNatives_foo));

  EXPECT_EQ(0, gJava_MyClassNatives_foo_calls[gCurrentJni]);
  env_->CallNonvirtualVoidMethod(jobj_, jklass_, jmethod_);
  EXPECT_EQ(1, gJava_MyClassNatives_foo_calls[gCurrentJni]);
  env_->CallNonvirtualVoidMethod(jobj_, jklass_, jmethod_);
  EXPECT_EQ(2, gJava_MyClassNatives_foo_calls[gCurrentJni]);

  gJava_MyClassNatives_foo_calls[gCurrentJni] = 0;
}

JNI_TEST(CompileAndRunNoArgMethod)

void JniCompilerTest::CompileAndRunIntMethodThroughStubImpl() {
  SetUpForTest(false, "bar", "(I)I", NORMAL_OR_FAST_JNI_ONLY_NULLPTR);
  // calling through stub will link with &Java_MyClassNatives_bar{,_1Fast}

  std::string reason;
  ASSERT_TRUE(Runtime::Current()->GetJavaVM()->
                  LoadNativeLibrary(env_, "", class_loader_, nullptr, &reason))
      << reason;

  jint result = env_->CallNonvirtualIntMethod(jobj_, jklass_, jmethod_, 24);
  EXPECT_EQ(25, result);
}

// Note: @CriticalNative is only for static methods.
JNI_TEST(CompileAndRunIntMethodThroughStub)

void JniCompilerTest::CompileAndRunStaticIntMethodThroughStubImpl() {
  SetUpForTest(true, "sbar", "(I)I", nullptr);
  // calling through stub will link with &Java_MyClassNatives_sbar{,_1Fast,_1Critical}

  std::string reason;
  ASSERT_TRUE(Runtime::Current()->GetJavaVM()->
                  LoadNativeLibrary(env_, "", class_loader_, nullptr, &reason))
      << reason;

  jint result = env_->CallStaticIntMethod(jklass_, jmethod_, 42);
  EXPECT_EQ(43, result);
}

JNI_TEST_CRITICAL(CompileAndRunStaticIntMethodThroughStub)

int gJava_MyClassNatives_fooI_calls[kJniKindCount] = {};
jint Java_MyClassNatives_fooI(JNIEnv*, jobject, jint x) {
  gJava_MyClassNatives_fooI_calls[gCurrentJni]++;
  return x;
}

void JniCompilerTest::CompileAndRunIntMethodImpl() {
  SetUpForTest(false, "fooI", "(I)I",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_fooI));

  EXPECT_EQ(0, gJava_MyClassNatives_fooI_calls[gCurrentJni]);
  jint result = env_->CallNonvirtualIntMethod(jobj_, jklass_, jmethod_, 42);
  EXPECT_EQ(42, result);
  EXPECT_EQ(1, gJava_MyClassNatives_fooI_calls[gCurrentJni]);
  result = env_->CallNonvirtualIntMethod(jobj_, jklass_, jmethod_, 0xCAFED00D);
  EXPECT_EQ(static_cast<jint>(0xCAFED00D), result);
  EXPECT_EQ(2, gJava_MyClassNatives_fooI_calls[gCurrentJni]);

  gJava_MyClassNatives_fooI_calls[gCurrentJni] = 0;
}

JNI_TEST(CompileAndRunIntMethod)

int gJava_MyClassNatives_fooII_calls[kJniKindCount] = {};
jint Java_MyClassNatives_fooII(JNIEnv*, jobject, jint x, jint y) {
  gJava_MyClassNatives_fooII_calls[gCurrentJni]++;
  return x - y;  // non-commutative operator
}

void JniCompilerTest::CompileAndRunIntIntMethodImpl() {
  SetUpForTest(false, "fooII", "(II)I",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_fooII));

  EXPECT_EQ(0, gJava_MyClassNatives_fooII_calls[gCurrentJni]);
  jint result = env_->CallNonvirtualIntMethod(jobj_, jklass_, jmethod_, 99, 10);
  EXPECT_EQ(99 - 10, result);
  EXPECT_EQ(1, gJava_MyClassNatives_fooII_calls[gCurrentJni]);
  result = env_->CallNonvirtualIntMethod(jobj_, jklass_, jmethod_, 0xCAFEBABE,
                                         0xCAFED00D);
  EXPECT_EQ(static_cast<jint>(0xCAFEBABE - 0xCAFED00D), result);
  EXPECT_EQ(2, gJava_MyClassNatives_fooII_calls[gCurrentJni]);

  gJava_MyClassNatives_fooII_calls[gCurrentJni] = 0;
}

JNI_TEST(CompileAndRunIntIntMethod)

int gJava_MyClassNatives_fooJJ_calls[kJniKindCount] = {};
jlong Java_MyClassNatives_fooJJ(JNIEnv*, jobject, jlong x, jlong y) {
  gJava_MyClassNatives_fooJJ_calls[gCurrentJni]++;
  return x - y;  // non-commutative operator
}

void JniCompilerTest::CompileAndRunLongLongMethodImpl() {
  SetUpForTest(false, "fooJJ", "(JJ)J",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_fooJJ));

  EXPECT_EQ(0, gJava_MyClassNatives_fooJJ_calls[gCurrentJni]);
  jlong a = INT64_C(0x1234567890ABCDEF);
  jlong b = INT64_C(0xFEDCBA0987654321);
  jlong result = env_->CallNonvirtualLongMethod(jobj_, jklass_, jmethod_, a, b);
  EXPECT_EQ(a - b, result);
  EXPECT_EQ(1, gJava_MyClassNatives_fooJJ_calls[gCurrentJni]);
  result = env_->CallNonvirtualLongMethod(jobj_, jklass_, jmethod_, b, a);
  EXPECT_EQ(b - a, result);
  EXPECT_EQ(2, gJava_MyClassNatives_fooJJ_calls[gCurrentJni]);

  gJava_MyClassNatives_fooJJ_calls[gCurrentJni] = 0;
}

JNI_TEST(CompileAndRunLongLongMethod)

int gJava_MyClassNatives_fooDD_calls[kJniKindCount] = {};
jdouble Java_MyClassNatives_fooDD(JNIEnv*, jobject, jdouble x, jdouble y) {
  gJava_MyClassNatives_fooDD_calls[gCurrentJni]++;
  return x - y;  // non-commutative operator
}

void JniCompilerTest::CompileAndRunDoubleDoubleMethodImpl() {
  SetUpForTest(false, "fooDD", "(DD)D",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_fooDD));

  EXPECT_EQ(0, gJava_MyClassNatives_fooDD_calls[gCurrentJni]);
  jdouble result = env_->CallNonvirtualDoubleMethod(jobj_, jklass_, jmethod_,
                                                    99.0, 10.0);
  EXPECT_DOUBLE_EQ(99.0 - 10.0, result);
  EXPECT_EQ(1, gJava_MyClassNatives_fooDD_calls[gCurrentJni]);
  jdouble a = 3.14159265358979323846;
  jdouble b = 0.69314718055994530942;
  result = env_->CallNonvirtualDoubleMethod(jobj_, jklass_, jmethod_, a, b);
  EXPECT_DOUBLE_EQ(a - b, result);
  EXPECT_EQ(2, gJava_MyClassNatives_fooDD_calls[gCurrentJni]);

  gJava_MyClassNatives_fooDD_calls[gCurrentJni] = 0;
}

int gJava_MyClassNatives_fooJJ_synchronized_calls[kJniKindCount] = {};
jlong Java_MyClassNatives_fooJJ_synchronized(JNIEnv* env, jobject, jlong x, jlong y) {
  JniCompilerTest::AssertCallerObjectLocked(env);
  gJava_MyClassNatives_fooJJ_synchronized_calls[gCurrentJni]++;
  return x | y;
}

void InitEntryPoints(JniEntryPoints* jpoints,
                     QuickEntryPoints* qpoints,
                     bool monitor_jni_entry_exit);

void JniCompilerTest::CompileAndRun_fooJJ_synchronizedImpl() {
  SetUpForTest(false, "fooJJ_synchronized", "(JJ)J",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_fooJJ_synchronized));

  EXPECT_EQ(0, gJava_MyClassNatives_fooJJ_synchronized_calls[gCurrentJni]);
  jlong a = 0x1000000020000000ULL;
  jlong b = 0x00ff000000aa0000ULL;
  jlong result = env_->CallNonvirtualLongMethod(jobj_, jklass_, jmethod_, a, b);
  EXPECT_EQ(a | b, result);
  EXPECT_EQ(1, gJava_MyClassNatives_fooJJ_synchronized_calls[gCurrentJni]);

  // Exercise recursive thin locking/unlocking.
  // Note: Thin lock count 0 means locked once.
  env_->MonitorEnter(jobj_);
  LockWord lock_word = GetLockWord(jobj_);
  ASSERT_EQ(lock_word.GetState(), LockWord::kThinLocked);
  ASSERT_EQ(lock_word.ThinLockCount(), 0u);
  result = env_->CallNonvirtualLongMethod(jobj_, jklass_, jmethod_, a, b);
  EXPECT_EQ(a | b, result);
  EXPECT_EQ(2, gJava_MyClassNatives_fooJJ_synchronized_calls[gCurrentJni]);
  lock_word = GetLockWord(jobj_);
  ASSERT_EQ(lock_word.GetState(), LockWord::kThinLocked);
  ASSERT_EQ(lock_word.ThinLockCount(), 0u);
  env_->MonitorExit(jobj_);
  lock_word = GetLockWord(jobj_);
  ASSERT_EQ(lock_word.GetState(), LockWord::kUnlocked);

  // Exercise lock inflation due to thin lock count overflow.
  constexpr uint32_t kMaxThinLockRecursiveLocks = 1u << LockWord::kThinLockCountSize;
  for (uint32_t i = 0; i != kMaxThinLockRecursiveLocks; ++i) {
    env_->MonitorEnter(jobj_);
    lock_word = GetLockWord(jobj_);
    ASSERT_EQ(lock_word.GetState(), LockWord::kThinLocked);
    ASSERT_EQ(lock_word.ThinLockCount(), i);
  }
  result = env_->CallNonvirtualLongMethod(jobj_, jklass_, jmethod_, a, b);
  EXPECT_EQ(a | b, result);
  EXPECT_EQ(3, gJava_MyClassNatives_fooJJ_synchronized_calls[gCurrentJni]);
  lock_word = GetLockWord(jobj_);
  ASSERT_EQ(lock_word.GetState(), LockWord::kFatLocked);
  for (uint32_t i = 0; i != kMaxThinLockRecursiveLocks; ++i) {
    env_->MonitorExit(jobj_);  // Remains "fat-locked" even if actually unlocked.
  }

  // Exercise locking for "fat-locked".
  lock_word = GetLockWord(jobj_);
  ASSERT_EQ(lock_word.GetState(), LockWord::kFatLocked);
  result = env_->CallNonvirtualLongMethod(jobj_, jklass_, jmethod_, a, b);
  EXPECT_EQ(a | b, result);
  EXPECT_EQ(4, gJava_MyClassNatives_fooJJ_synchronized_calls[gCurrentJni]);
  lock_word = GetLockWord(jobj_);
  ASSERT_EQ(lock_word.GetState(), LockWord::kFatLocked);

  // Exercise locking/unocking for "fat-locked" through the "no_inline" path.
  // These entrypoints are selected with verbose "systrace_lock_logging".
  Thread* self = Thread::Current();
  ASSERT_FALSE(gLogVerbosity.systrace_lock_logging);
  gLogVerbosity.systrace_lock_logging = true;
  InitEntryPoints(&self->tlsPtr_.jni_entrypoints,
                  &self->tlsPtr_.quick_entrypoints,
                  self->ReadFlag(ThreadFlag::kMonitorJniEntryExit));
  result = env_->CallNonvirtualLongMethod(jobj_, jklass_, jmethod_, a, b);
  EXPECT_EQ(a | b, result);
  EXPECT_EQ(5, gJava_MyClassNatives_fooJJ_synchronized_calls[gCurrentJni]);
  gLogVerbosity.systrace_lock_logging = false;
  InitEntryPoints(&self->tlsPtr_.jni_entrypoints,
                  &self->tlsPtr_.quick_entrypoints,
                  self->ReadFlag(ThreadFlag::kMonitorJniEntryExit));

  gJava_MyClassNatives_fooJJ_synchronized_calls[gCurrentJni] = 0;
}

JNI_TEST_NORMAL_ONLY(CompileAndRun_fooJJ_synchronized)

int gJava_MyClassNatives_fooIOO_calls[kJniKindCount] = {};
jobject Java_MyClassNatives_fooIOO(JNIEnv*, jobject thisObj, jint x, jobject y,
                            jobject z) {
  gJava_MyClassNatives_fooIOO_calls[gCurrentJni]++;
  switch (x) {
    case 1:
      return y;
    case 2:
      return z;
    default:
      return thisObj;
  }
}

void JniCompilerTest::CompileAndRunIntObjectObjectMethodImpl() {
  SetUpForTest(false, "fooIOO",
               "(ILjava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_fooIOO));

  EXPECT_EQ(0, gJava_MyClassNatives_fooIOO_calls[gCurrentJni]);
  jobject result = env_->CallNonvirtualObjectMethod(jobj_, jklass_, jmethod_, 0, nullptr, nullptr);
  EXPECT_TRUE(env_->IsSameObject(jobj_, result));
  EXPECT_EQ(1, gJava_MyClassNatives_fooIOO_calls[gCurrentJni]);

  result = env_->CallNonvirtualObjectMethod(jobj_, jklass_, jmethod_, 0, nullptr, jklass_);
  EXPECT_TRUE(env_->IsSameObject(jobj_, result));
  EXPECT_EQ(2, gJava_MyClassNatives_fooIOO_calls[gCurrentJni]);
  result = env_->CallNonvirtualObjectMethod(jobj_, jklass_, jmethod_, 1, nullptr, jklass_);
  EXPECT_TRUE(env_->IsSameObject(nullptr, result));
  EXPECT_EQ(3, gJava_MyClassNatives_fooIOO_calls[gCurrentJni]);
  result = env_->CallNonvirtualObjectMethod(jobj_, jklass_, jmethod_, 2, nullptr, jklass_);
  EXPECT_TRUE(env_->IsSameObject(jklass_, result));
  EXPECT_EQ(4, gJava_MyClassNatives_fooIOO_calls[gCurrentJni]);

  result = env_->CallNonvirtualObjectMethod(jobj_, jklass_, jmethod_, 0, jklass_, nullptr);
  EXPECT_TRUE(env_->IsSameObject(jobj_, result));
  EXPECT_EQ(5, gJava_MyClassNatives_fooIOO_calls[gCurrentJni]);
  result = env_->CallNonvirtualObjectMethod(jobj_, jklass_, jmethod_, 1, jklass_, nullptr);
  EXPECT_TRUE(env_->IsSameObject(jklass_, result));
  EXPECT_EQ(6, gJava_MyClassNatives_fooIOO_calls[gCurrentJni]);
  result = env_->CallNonvirtualObjectMethod(jobj_, jklass_, jmethod_, 2, jklass_, nullptr);
  EXPECT_TRUE(env_->IsSameObject(nullptr, result));
  EXPECT_EQ(7, gJava_MyClassNatives_fooIOO_calls[gCurrentJni]);

  gJava_MyClassNatives_fooIOO_calls[gCurrentJni] = 0;
}

JNI_TEST(CompileAndRunIntObjectObjectMethod)

int gJava_MyClassNatives_fooSII_calls[kJniKindCount] = {};
jint Java_MyClassNatives_fooSII(JNIEnv* env ATTRIBUTE_UNUSED,
                                jclass klass ATTRIBUTE_UNUSED,
                                jint x,
                                jint y) {
  gJava_MyClassNatives_fooSII_calls[gCurrentJni]++;
  return x + y;
}

void JniCompilerTest::CompileAndRunStaticIntIntMethodImpl() {
  SetUpForTest(true, "fooSII", "(II)I",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_fooSII));

  EXPECT_EQ(0, gJava_MyClassNatives_fooSII_calls[gCurrentJni]);
  jint result = env_->CallStaticIntMethod(jklass_, jmethod_, 20, 30);
  EXPECT_EQ(50, result);
  EXPECT_EQ(1, gJava_MyClassNatives_fooSII_calls[gCurrentJni]);

  gJava_MyClassNatives_fooSII_calls[gCurrentJni] = 0;
}

JNI_TEST_CRITICAL(CompileAndRunStaticIntIntMethod)

int gJava_MyClassNatives_fooSDD_calls[kJniKindCount] = {};
jdouble Java_MyClassNatives_fooSDD(JNIEnv* env ATTRIBUTE_UNUSED,
                                   jclass klass ATTRIBUTE_UNUSED,
                                   jdouble x,
                                   jdouble y) {
  gJava_MyClassNatives_fooSDD_calls[gCurrentJni]++;
  return x - y;  // non-commutative operator
}

void JniCompilerTest::CompileAndRunStaticDoubleDoubleMethodImpl() {
  SetUpForTest(true, "fooSDD", "(DD)D",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_fooSDD));

  EXPECT_EQ(0, gJava_MyClassNatives_fooSDD_calls[gCurrentJni]);
  jdouble result = env_->CallStaticDoubleMethod(jklass_, jmethod_, 99.0, 10.0);
  EXPECT_DOUBLE_EQ(99.0 - 10.0, result);
  EXPECT_EQ(1, gJava_MyClassNatives_fooSDD_calls[gCurrentJni]);
  jdouble a = 3.14159265358979323846;
  jdouble b = 0.69314718055994530942;
  result = env_->CallStaticDoubleMethod(jklass_, jmethod_, a, b);
  EXPECT_DOUBLE_EQ(a - b, result);
  EXPECT_DOUBLE_EQ(2, gJava_MyClassNatives_fooSDD_calls[gCurrentJni]);

  gJava_MyClassNatives_fooSDD_calls[gCurrentJni] = 0;
}

JNI_TEST_CRITICAL(CompileAndRunStaticDoubleDoubleMethod)

// The x86 generic JNI code had a bug where it assumed a floating
// point return value would be in xmm0. We use log, to somehow ensure
// the compiler will use the floating point stack.

jdouble Java_MyClassNatives_logD(JNIEnv*, jclass, jdouble x) {
  return log(x);
}

jdouble Java_MyClassNatives_logD_notNormal(JNIEnv*, jclass, jdouble x) {
  EXPECT_DOUBLE_EQ(2.0, x);
  return log(x);
}

void JniCompilerTest::RunStaticLogDoubleMethodImpl() {
  void* jni_handler;
  if (IsCurrentJniNormal()) {
    // This test seems a bit special, don't use a JNI wrapper here.
    jni_handler = NORMAL_JNI_ONLY_NOWRAP(Java_MyClassNatives_logD);
  } else {
    jni_handler = CURRENT_JNI_WRAPPER(Java_MyClassNatives_logD_notNormal);
  }
  SetUpForTest(true, "logD", "(D)D", jni_handler);

  jdouble result = env_->CallStaticDoubleMethod(jklass_, jmethod_, 2.0);
  EXPECT_DOUBLE_EQ(log(2.0), result);
}

JNI_TEST_CRITICAL(RunStaticLogDoubleMethod)

jfloat Java_MyClassNatives_logF(JNIEnv*, jclass, jfloat x) {
  return logf(x);
}

void JniCompilerTest::RunStaticLogFloatMethodImpl() {
  void* jni_handler;
  if (IsCurrentJniNormal()) {
    // This test seems a bit special, don't use a JNI wrapper here.
    jni_handler = NORMAL_JNI_ONLY_NOWRAP(Java_MyClassNatives_logF);
  } else {
    jni_handler = CURRENT_JNI_WRAPPER(Java_MyClassNatives_logF);
  }

  SetUpForTest(true, "logF", "(F)F", jni_handler);

  jfloat result = env_->CallStaticFloatMethod(jklass_, jmethod_, 2.0);
  EXPECT_FLOAT_EQ(logf(2.0), result);
}

JNI_TEST_CRITICAL(RunStaticLogFloatMethod)

jboolean Java_MyClassNatives_returnTrue(JNIEnv*, jclass) {
  return JNI_TRUE;
}

jboolean Java_MyClassNatives_returnFalse(JNIEnv*, jclass) {
  return JNI_FALSE;
}

jint Java_MyClassNatives_returnInt(JNIEnv*, jclass) {
  return 42;
}

void JniCompilerTest::RunStaticReturnTrueImpl() {
  SetUpForTest(true, "returnTrue", "()Z", CURRENT_JNI_WRAPPER(Java_MyClassNatives_returnTrue));

  jboolean result = env_->CallStaticBooleanMethod(jklass_, jmethod_);
  EXPECT_TRUE(result);
}

JNI_TEST_CRITICAL(RunStaticReturnTrue)

void JniCompilerTest::RunStaticReturnFalseImpl() {
  SetUpForTest(true, "returnFalse", "()Z",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_returnFalse));

  jboolean result = env_->CallStaticBooleanMethod(jklass_, jmethod_);
  EXPECT_FALSE(result);
}

JNI_TEST_CRITICAL(RunStaticReturnFalse)

void JniCompilerTest::RunGenericStaticReturnIntImpl() {
  SetUpForTest(true, "returnInt", "()I", CURRENT_JNI_WRAPPER(Java_MyClassNatives_returnInt));

  jint result = env_->CallStaticIntMethod(jklass_, jmethod_);
  EXPECT_EQ(42, result);
}

JNI_TEST_CRITICAL(RunGenericStaticReturnInt)

int gJava_MyClassNatives_returnDouble_calls[kJniKindCount] = {};
jdouble Java_MyClassNatives_returnDouble(JNIEnv*, jclass) {
  gJava_MyClassNatives_returnDouble_calls[gCurrentJni]++;
  return 4.0;
}

void JniCompilerTest::RunGenericStaticReturnDoubleImpl() {
  SetUpForTest(true, "returnDouble", "()D", CURRENT_JNI_WRAPPER(Java_MyClassNatives_returnDouble));

  jdouble result = env_->CallStaticDoubleMethod(jklass_, jmethod_);
  EXPECT_DOUBLE_EQ(4.0, result);
  EXPECT_EQ(1, gJava_MyClassNatives_returnDouble_calls[gCurrentJni]);

  gJava_MyClassNatives_returnDouble_calls[gCurrentJni] = 0;
}

JNI_TEST_CRITICAL(RunGenericStaticReturnDouble)

jlong Java_MyClassNatives_returnLong(JNIEnv*, jclass) {
  return 0xFEEDDEADFEEDL;
}

void JniCompilerTest::RunGenericStaticReturnLongImpl() {
  SetUpForTest(true, "returnLong", "()J", CURRENT_JNI_WRAPPER(Java_MyClassNatives_returnLong));

  jlong result = env_->CallStaticLongMethod(jklass_, jmethod_);
  EXPECT_EQ(0xFEEDDEADFEEDL, result);
}

JNI_TEST_CRITICAL(RunGenericStaticReturnLong)

int gJava_MyClassNatives_fooSIOO_calls[kJniKindCount] = {};
jobject Java_MyClassNatives_fooSIOO(JNIEnv*, jclass klass, jint x, jobject y, jobject z) {
  gJava_MyClassNatives_fooSIOO_calls[gCurrentJni]++;
  switch (x) {
    case 1:
      return y;
    case 2:
      return z;
    default:
      return klass;
  }
}

void JniCompilerTest::CompileAndRunStaticIntObjectObjectMethodImpl() {
  SetUpForTest(true, "fooSIOO",
               "(ILjava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_fooSIOO));

  EXPECT_EQ(0, gJava_MyClassNatives_fooSIOO_calls[gCurrentJni]);
  jobject result = env_->CallStaticObjectMethod(jklass_, jmethod_, 0, nullptr, nullptr);
  EXPECT_TRUE(env_->IsSameObject(jklass_, result));
  EXPECT_EQ(1, gJava_MyClassNatives_fooSIOO_calls[gCurrentJni]);

  result = env_->CallStaticObjectMethod(jklass_, jmethod_, 0, nullptr, jobj_);
  EXPECT_TRUE(env_->IsSameObject(jklass_, result));
  EXPECT_EQ(2, gJava_MyClassNatives_fooSIOO_calls[gCurrentJni]);
  result = env_->CallStaticObjectMethod(jklass_, jmethod_, 1, nullptr, jobj_);
  EXPECT_TRUE(env_->IsSameObject(nullptr, result));
  EXPECT_EQ(3, gJava_MyClassNatives_fooSIOO_calls[gCurrentJni]);
  result = env_->CallStaticObjectMethod(jklass_, jmethod_, 2, nullptr, jobj_);
  EXPECT_TRUE(env_->IsSameObject(jobj_, result));
  EXPECT_EQ(4, gJava_MyClassNatives_fooSIOO_calls[gCurrentJni]);

  result = env_->CallStaticObjectMethod(jklass_, jmethod_, 0, jobj_, nullptr);
  EXPECT_TRUE(env_->IsSameObject(jklass_, result));
  EXPECT_EQ(5, gJava_MyClassNatives_fooSIOO_calls[gCurrentJni]);
  result = env_->CallStaticObjectMethod(jklass_, jmethod_, 1, jobj_, nullptr);
  EXPECT_TRUE(env_->IsSameObject(jobj_, result));
  EXPECT_EQ(6, gJava_MyClassNatives_fooSIOO_calls[gCurrentJni]);
  result = env_->CallStaticObjectMethod(jklass_, jmethod_, 2, jobj_, nullptr);
  EXPECT_TRUE(env_->IsSameObject(nullptr, result));
  EXPECT_EQ(7, gJava_MyClassNatives_fooSIOO_calls[gCurrentJni]);

  gJava_MyClassNatives_fooSIOO_calls[gCurrentJni] = 0;
}

JNI_TEST(CompileAndRunStaticIntObjectObjectMethod)

int gJava_MyClassNatives_fooSSIOO_calls[kJniKindCount] = {};
jobject Java_MyClassNatives_fooSSIOO(JNIEnv* env, jclass klass, jint x, jobject y, jobject z) {
  JniCompilerTest::AssertCallerObjectLocked(env);
  gJava_MyClassNatives_fooSSIOO_calls[gCurrentJni]++;
  switch (x) {
    case 1:
      return y;
    case 2:
      return z;
    default:
      return klass;
  }
}

void JniCompilerTest::CompileAndRunStaticSynchronizedIntObjectObjectMethodImpl() {
  SetUpForTest(true, "fooSSIOO",
               "(ILjava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_fooSSIOO));

  EXPECT_EQ(0, gJava_MyClassNatives_fooSSIOO_calls[gCurrentJni]);
  jobject result = env_->CallStaticObjectMethod(jklass_, jmethod_, 0, nullptr, nullptr);
  EXPECT_TRUE(env_->IsSameObject(jklass_, result));
  EXPECT_EQ(1, gJava_MyClassNatives_fooSSIOO_calls[gCurrentJni]);

  result = env_->CallStaticObjectMethod(jklass_, jmethod_, 0, nullptr, jobj_);
  EXPECT_TRUE(env_->IsSameObject(jklass_, result));
  EXPECT_EQ(2, gJava_MyClassNatives_fooSSIOO_calls[gCurrentJni]);
  result = env_->CallStaticObjectMethod(jklass_, jmethod_, 1, nullptr, jobj_);
  EXPECT_TRUE(env_->IsSameObject(nullptr, result));
  EXPECT_EQ(3, gJava_MyClassNatives_fooSSIOO_calls[gCurrentJni]);
  result = env_->CallStaticObjectMethod(jklass_, jmethod_, 2, nullptr, jobj_);
  EXPECT_TRUE(env_->IsSameObject(jobj_, result));
  EXPECT_EQ(4, gJava_MyClassNatives_fooSSIOO_calls[gCurrentJni]);

  result = env_->CallStaticObjectMethod(jklass_, jmethod_, 0, jobj_, nullptr);
  EXPECT_TRUE(env_->IsSameObject(jklass_, result));
  EXPECT_EQ(5, gJava_MyClassNatives_fooSSIOO_calls[gCurrentJni]);
  result = env_->CallStaticObjectMethod(jklass_, jmethod_, 1, jobj_, nullptr);
  EXPECT_TRUE(env_->IsSameObject(jobj_, result));
  EXPECT_EQ(6, gJava_MyClassNatives_fooSSIOO_calls[gCurrentJni]);
  result = env_->CallStaticObjectMethod(jklass_, jmethod_, 2, jobj_, nullptr);
  EXPECT_TRUE(env_->IsSameObject(nullptr, result));
  EXPECT_EQ(7, gJava_MyClassNatives_fooSSIOO_calls[gCurrentJni]);

  // Exercise recursive thin locking/unlocking.
  // Note: Thin lock count 0 means locked once.
  env_->MonitorEnter(jklass_);
  LockWord lock_word = GetLockWord(jklass_);
  ASSERT_EQ(lock_word.GetState(), LockWord::kThinLocked);
  ASSERT_EQ(lock_word.ThinLockCount(), 0u);
  result = env_->CallStaticObjectMethod(jklass_, jmethod_, 2, jobj_, nullptr);
  EXPECT_TRUE(env_->IsSameObject(nullptr, result));
  EXPECT_EQ(8, gJava_MyClassNatives_fooSSIOO_calls[gCurrentJni]);
  lock_word = GetLockWord(jklass_);
  ASSERT_EQ(lock_word.GetState(), LockWord::kThinLocked);
  ASSERT_EQ(lock_word.ThinLockCount(), 0u);
  env_->MonitorExit(jklass_);
  lock_word = GetLockWord(jklass_);
  ASSERT_EQ(lock_word.GetState(), LockWord::kUnlocked);

  // Exercise lock inflation due to thin lock count overflow.
  constexpr uint32_t kMaxThinLockRecursiveLocks = 1u << LockWord::kThinLockCountSize;
  for (uint32_t i = 0; i != kMaxThinLockRecursiveLocks; ++i) {
    env_->MonitorEnter(jklass_);
    lock_word = GetLockWord(jklass_);
    ASSERT_EQ(lock_word.GetState(), LockWord::kThinLocked);
    ASSERT_EQ(lock_word.ThinLockCount(), i);
  }
  result = env_->CallStaticObjectMethod(jklass_, jmethod_, 2, jobj_, nullptr);
  EXPECT_TRUE(env_->IsSameObject(nullptr, result));
  EXPECT_EQ(9, gJava_MyClassNatives_fooSSIOO_calls[gCurrentJni]);
  lock_word = GetLockWord(jklass_);
  ASSERT_EQ(lock_word.GetState(), LockWord::kFatLocked);
  for (uint32_t i = 0; i != kMaxThinLockRecursiveLocks; ++i) {
    env_->MonitorExit(jklass_);  // Remains "fat-locked" even if actually unlocked.
  }

  // Exercise locking for "fat-locked".
  lock_word = GetLockWord(jklass_);
  result = env_->CallStaticObjectMethod(jklass_, jmethod_, 2, jobj_, nullptr);
  EXPECT_TRUE(env_->IsSameObject(nullptr, result));
  EXPECT_EQ(10, gJava_MyClassNatives_fooSSIOO_calls[gCurrentJni]);
  lock_word = GetLockWord(jklass_);
  ASSERT_EQ(lock_word.GetState(), LockWord::kFatLocked);

  gJava_MyClassNatives_fooSSIOO_calls[gCurrentJni] = 0;
}

// TODO: Maybe. @FastNative support for returning Objects?
JNI_TEST_NORMAL_ONLY(CompileAndRunStaticSynchronizedIntObjectObjectMethod)

void Java_MyClassNatives_throwException(JNIEnv* env, jobject) {
  jclass c = env->FindClass("java/lang/RuntimeException");
  env->ThrowNew(c, "hello");
}

void Java_MyClassNatives_synchronizedThrowException(JNIEnv* env, jobject) {
  JniCompilerTest::AssertCallerObjectLocked(env);
  jclass c = env->FindClass("java/lang/RuntimeException");
  env->ThrowNew(c, "hello");
}

void JniCompilerTest::ExceptionHandlingImpl() {
  {
    ASSERT_FALSE(runtime_->IsStarted());
    ScopedObjectAccess soa(Thread::Current());
    class_loader_ = LoadDex("MyClassNatives");

    // all compilation needs to happen before Runtime::Start
    CompileForTestWithCurrentJni(class_loader_, false, "foo", "()V");
    CompileForTestWithCurrentJni(class_loader_, false, "throwException", "()V");
    if (gCurrentJni == enum_cast<uint32_t>(JniKind::kNormal)) {
      CompileForTestWithCurrentJni(class_loader_, false, "synchronizedThrowException", "()V");
    }
  }
  // Start runtime to avoid re-initialization in SetupForTest.
  Thread::Current()->TransitionFromSuspendedToRunnable();
  bool started = runtime_->Start();
  CHECK(started);

  gJava_MyClassNatives_foo_calls[gCurrentJni] = 0;

  // Check a single call of a JNI method is ok
  SetUpForTest(false, "foo", "()V", CURRENT_JNI_WRAPPER(Java_MyClassNatives_foo));
  env_->CallNonvirtualVoidMethod(jobj_, jklass_, jmethod_);
  EXPECT_EQ(1, gJava_MyClassNatives_foo_calls[gCurrentJni]);
  EXPECT_FALSE(Thread::Current()->IsExceptionPending());

  // Get class for exception we expect to be thrown
  ScopedLocalRef<jclass> jlre(env_, env_->FindClass("java/lang/RuntimeException"));
  SetUpForTest(false, "throwException", "()V",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_throwException));
  // Call Java_MyClassNatives_throwException (JNI method that throws exception)
  env_->CallNonvirtualVoidMethod(jobj_, jklass_, jmethod_);
  EXPECT_TRUE(env_->ExceptionCheck() == JNI_TRUE);
  ScopedLocalRef<jthrowable> exception(env_, env_->ExceptionOccurred());
  env_->ExceptionClear();
  EXPECT_TRUE(env_->IsInstanceOf(exception.get(), jlre.get()));

  // Check a single call of a JNI method is ok
  EXPECT_EQ(1, gJava_MyClassNatives_foo_calls[gCurrentJni]);
  SetUpForTest(false, "foo", "()V", reinterpret_cast<void*>(&Java_MyClassNatives_foo));
  env_->CallNonvirtualVoidMethod(jobj_, jklass_, jmethod_);
  EXPECT_EQ(2, gJava_MyClassNatives_foo_calls[gCurrentJni]);

  if (gCurrentJni == enum_cast<uint32_t>(JniKind::kNormal)) {
    SetUpForTest(false, "synchronizedThrowException", "()V",
                 CURRENT_JNI_WRAPPER(Java_MyClassNatives_synchronizedThrowException));
    LockWord lock_word = GetLockWord(jobj_);
    ASSERT_EQ(lock_word.GetState(), LockWord::kUnlocked);
    // Call Java_MyClassNatives_synchronizedThrowException (synchronized JNI method
    // that throws exception) to check that we correctly unlock the object.
    env_->CallNonvirtualVoidMethod(jobj_, jklass_, jmethod_);
    EXPECT_TRUE(env_->ExceptionCheck() == JNI_TRUE);
    ScopedLocalRef<jthrowable> exception2(env_, env_->ExceptionOccurred());
    env_->ExceptionClear();
    EXPECT_TRUE(env_->IsInstanceOf(exception2.get(), jlre.get()));
    lock_word = GetLockWord(jobj_);
    EXPECT_EQ(lock_word.GetState(), LockWord::kUnlocked);

    // Check a single call of a JNI method is ok
    EXPECT_EQ(2, gJava_MyClassNatives_foo_calls[gCurrentJni]);
    SetUpForTest(false, "foo", "()V", reinterpret_cast<void*>(&Java_MyClassNatives_foo));
    env_->CallNonvirtualVoidMethod(jobj_, jklass_, jmethod_);
    EXPECT_EQ(3, gJava_MyClassNatives_foo_calls[gCurrentJni]);
  }

  gJava_MyClassNatives_foo_calls[gCurrentJni] = 0;
}

JNI_TEST(ExceptionHandling)

jint Java_MyClassNatives_nativeUpCall(JNIEnv* env, jobject thisObj, jint i) {
  if (i <= 0) {
    // We want to check raw Object* / Array* below
    ScopedObjectAccess soa(env);

    // Build stack trace
    jobject internal = Thread::Current()->CreateInternalStackTrace(soa);
    jobjectArray ste_array = Thread::InternalStackTraceToStackTraceElementArray(soa, internal);
    ObjPtr<mirror::ObjectArray<mirror::StackTraceElement>> trace_array =
        soa.Decode<mirror::ObjectArray<mirror::StackTraceElement>>(ste_array);
    EXPECT_TRUE(trace_array != nullptr);
    EXPECT_EQ(11, trace_array->GetLength());

    // Check stack trace entries have expected values
    for (int32_t j = 0; j < trace_array->GetLength(); ++j) {
      EXPECT_EQ(-2, trace_array->Get(j)->GetLineNumber());
      ObjPtr<mirror::StackTraceElement> ste = trace_array->Get(j);
      EXPECT_STREQ("MyClassNatives.java", ste->GetFileName()->ToModifiedUtf8().c_str());
      EXPECT_STREQ("MyClassNatives", ste->GetDeclaringClass()->ToModifiedUtf8().c_str());
      EXPECT_EQ(("fooI" + CurrentJniStringSuffix()), ste->GetMethodName()->ToModifiedUtf8());
    }

    // end recursion
    return 0;
  } else {
    jclass jklass = env->FindClass("MyClassNatives");
    EXPECT_TRUE(jklass != nullptr);
    jmethodID jmethod = env->GetMethodID(jklass,
                                         ("fooI" + CurrentJniStringSuffix()).c_str(),
                                         "(I)I");
    EXPECT_TRUE(jmethod != nullptr);

    // Recurse with i - 1
    jint result = env->CallNonvirtualIntMethod(thisObj, jklass, jmethod, i - 1);

    // Return sum of all depths
    return i + result;
  }
}

void JniCompilerTest::NativeStackTraceElementImpl() {
  SetUpForTest(false, "fooI", "(I)I",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_nativeUpCall));

  // Usual # local references on stack check fails because nativeUpCall calls itself recursively,
  // each time the # of local references will therefore go up.
  ScopedDisableCheckNumStackReferences disable_num_stack_check;
  jint result = env_->CallNonvirtualIntMethod(jobj_, jklass_, jmethod_, 10);

  EXPECT_EQ(10+9+8+7+6+5+4+3+2+1, result);
}

JNI_TEST(NativeStackTraceElement)

jobject Java_MyClassNatives_fooO(JNIEnv* env, jobject, jobject x) {
  return env->NewGlobalRef(x);
}

void JniCompilerTest::ReturnGlobalRefImpl() {
  SetUpForTest(false, "fooO", "(Ljava/lang/Object;)Ljava/lang/Object;",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_fooO));
  jobject result = env_->CallNonvirtualObjectMethod(jobj_, jklass_, jmethod_, jobj_);
  EXPECT_EQ(JNILocalRefType, env_->GetObjectRefType(result));
  EXPECT_TRUE(env_->IsSameObject(result, jobj_));
}

JNI_TEST(ReturnGlobalRef)

jint local_ref_test(JNIEnv* env, jobject thisObj, jint x) {
  // Add 10 local references
  ScopedObjectAccess soa(env);
  for (int i = 0; i < 10; i++) {
    soa.AddLocalReference<jobject>(soa.Decode<mirror::Object>(thisObj));
  }
  return x+1;
}

void JniCompilerTest::LocalReferenceTableClearingTestImpl() {
  SetUpForTest(false, "fooI", "(I)I", CURRENT_JNI_WRAPPER(local_ref_test));
  // 1000 invocations of a method that adds 10 local references
  for (int i = 0; i < 1000; i++) {
    jint result = env_->CallIntMethod(jobj_, jmethod_, i);
    EXPECT_TRUE(result == i + 1);
  }
}

JNI_TEST(LocalReferenceTableClearingTest)

void my_arraycopy(JNIEnv* env, jclass klass, jobject src, jint src_pos, jobject dst, jint dst_pos, jint length) {
  EXPECT_TRUE(env->IsSameObject(JniCompilerTest::jklass_, klass));
  EXPECT_TRUE(env->IsSameObject(JniCompilerTest::jklass_, dst));
  EXPECT_TRUE(env->IsSameObject(JniCompilerTest::jobj_, src));
  EXPECT_EQ(1234, src_pos);
  EXPECT_EQ(5678, dst_pos);
  EXPECT_EQ(9876, length);
}

void JniCompilerTest::JavaLangSystemArrayCopyImpl() {
  SetUpForTest(true, "arraycopy", "(Ljava/lang/Object;ILjava/lang/Object;II)V",
               CURRENT_JNI_WRAPPER(my_arraycopy));
  env_->CallStaticVoidMethod(jklass_, jmethod_, jobj_, 1234, jklass_, 5678, 9876);
}

JNI_TEST(JavaLangSystemArrayCopy)

jboolean my_casi(JNIEnv* env, jobject unsafe, jobject obj, jlong offset, jint expected, jint newval) {
  EXPECT_TRUE(env->IsSameObject(JniCompilerTest::jobj_, unsafe));
  EXPECT_TRUE(env->IsSameObject(JniCompilerTest::jobj_, obj));
  EXPECT_EQ(INT64_C(0x12345678ABCDEF88), offset);
  EXPECT_EQ(static_cast<jint>(0xCAFEF00D), expected);
  EXPECT_EQ(static_cast<jint>(0xEBADF00D), newval);
  return JNI_TRUE;
}

void JniCompilerTest::CompareAndSwapIntImpl() {
  SetUpForTest(false, "compareAndSwapInt", "(Ljava/lang/Object;JII)Z",
               CURRENT_JNI_WRAPPER(my_casi));
  jboolean result = env_->CallBooleanMethod(jobj_, jmethod_, jobj_, INT64_C(0x12345678ABCDEF88),
                                            0xCAFEF00D, 0xEBADF00D);
  EXPECT_EQ(result, JNI_TRUE);
}

JNI_TEST(CompareAndSwapInt)

jint my_gettext(JNIEnv* env, jclass klass, jlong val1, jobject obj1, jlong val2, jobject obj2) {
  EXPECT_TRUE(env->IsInstanceOf(JniCompilerTest::jobj_, klass));
  EXPECT_TRUE(env->IsSameObject(JniCompilerTest::jobj_, obj1));
  EXPECT_TRUE(env->IsSameObject(JniCompilerTest::jobj_, obj2));
  EXPECT_EQ(0x12345678ABCDEF88LL, val1);
  EXPECT_EQ(0x7FEDCBA987654321LL, val2);
  return 42;
}

void JniCompilerTest::GetTextImpl() {
  SetUpForTest(true, "getText", "(JLjava/lang/Object;JLjava/lang/Object;)I",
               CURRENT_JNI_WRAPPER(my_gettext));
  jint result = env_->CallStaticIntMethod(jklass_, jmethod_, 0x12345678ABCDEF88LL, jobj_,
                                          INT64_C(0x7FEDCBA987654321), jobj_);
  EXPECT_EQ(result, 42);
}

JNI_TEST(GetText)

int gJava_MyClassNatives_GetSinkProperties_calls[kJniKindCount] = {};
jarray Java_MyClassNatives_GetSinkProperties(JNIEnv* env, jobject thisObj, jstring s) {
  JniCompilerTest::AssertCallerObjectLocked(env);
  EXPECT_EQ(s, nullptr);
  gJava_MyClassNatives_GetSinkProperties_calls[gCurrentJni]++;

  Thread* self = Thread::Current();
  ScopedObjectAccess soa(self);
  EXPECT_TRUE(self->HoldsLock(soa.Decode<mirror::Object>(thisObj)));
  return nullptr;
}

void JniCompilerTest::GetSinkPropertiesNativeImpl() {
  SetUpForTest(false, "getSinkPropertiesNative", "(Ljava/lang/String;)[Ljava/lang/Object;",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_GetSinkProperties));

  EXPECT_EQ(0, gJava_MyClassNatives_GetSinkProperties_calls[gCurrentJni]);
  jarray result = down_cast<jarray>(
      env_->CallNonvirtualObjectMethod(jobj_, jklass_, jmethod_, nullptr));
  EXPECT_EQ(nullptr, result);
  EXPECT_EQ(1, gJava_MyClassNatives_GetSinkProperties_calls[gCurrentJni]);

  gJava_MyClassNatives_GetSinkProperties_calls[gCurrentJni] = 0;
}

// @FastNative doesn't support 'synchronized' keyword and
// never will -- locking functions aren't fast.
JNI_TEST_NORMAL_ONLY(GetSinkPropertiesNative)

// This should return jclass, but we're imitating a bug pattern.
jobject Java_MyClassNatives_instanceMethodThatShouldReturnClass(JNIEnv* env, jobject) {
  return env->NewStringUTF("not a class!");
}

// This should return jclass, but we're imitating a bug pattern.
jobject Java_MyClassNatives_staticMethodThatShouldReturnClass(JNIEnv* env, jclass) {
  return env->NewStringUTF("not a class!");
}

void JniCompilerTest::UpcallReturnTypeChecking_InstanceImpl() {
  SetUpForTest(false, "instanceMethodThatShouldReturnClass", "()Ljava/lang/Class;",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_instanceMethodThatShouldReturnClass));

  CheckJniAbortCatcher check_jni_abort_catcher;
  // This native method is bad, and tries to return a jstring as a jclass.
  env_->CallObjectMethod(jobj_, jmethod_);
  check_jni_abort_catcher.Check(std::string() + "attempt to return an instance " +
                                    "of java.lang.String from java.lang.Class " +
                                    "MyClassNatives.instanceMethodThatShouldReturnClass" +
                                    CurrentJniStringSuffix() + "()");

  // Here, we just call the method incorrectly; we should catch that too.
  env_->CallObjectMethod(jobj_, jmethod_);
  check_jni_abort_catcher.Check(std::string() + "attempt to return an instance " +
                                    "of java.lang.String from java.lang.Class " +
                                    "MyClassNatives.instanceMethodThatShouldReturnClass" +
                                    CurrentJniStringSuffix() + "()");
  env_->CallStaticObjectMethod(jklass_, jmethod_);
  check_jni_abort_catcher.Check(std::string() + "calling non-static method " +
                                    "java.lang.Class " +
                                    "MyClassNatives.instanceMethodThatShouldReturnClass" +
                                    CurrentJniStringSuffix() + "() with CallStaticObjectMethodV");
}

JNI_TEST(UpcallReturnTypeChecking_Instance)

void JniCompilerTest::UpcallReturnTypeChecking_StaticImpl() {
  SetUpForTest(true, "staticMethodThatShouldReturnClass", "()Ljava/lang/Class;",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_staticMethodThatShouldReturnClass));

  CheckJniAbortCatcher check_jni_abort_catcher;
  // This native method is bad, and tries to return a jstring as a jclass.
  env_->CallStaticObjectMethod(jklass_, jmethod_);
  check_jni_abort_catcher.Check(std::string() + "attempt to return an instance " +
                                    "of java.lang.String from java.lang.Class " +
                                    "MyClassNatives.staticMethodThatShouldReturnClass" +
                                    CurrentJniStringSuffix() + "()");

  // Here, we just call the method incorrectly; we should catch that too.
  env_->CallStaticObjectMethod(jklass_, jmethod_);
  check_jni_abort_catcher.Check(std::string() + "attempt to return an instance " +
                                    "of java.lang.String from java.lang.Class " +
                                    "MyClassNatives.staticMethodThatShouldReturnClass" +
                                    CurrentJniStringSuffix() + "()");
  env_->CallObjectMethod(jobj_, jmethod_);
  check_jni_abort_catcher.Check(std::string() + "calling static method " +
                                    "java.lang.Class " +
                                    "MyClassNatives.staticMethodThatShouldReturnClass" +
                                    CurrentJniStringSuffix() + "() with CallObjectMethodV");
}

JNI_TEST(UpcallReturnTypeChecking_Static)

// This should take jclass, but we're imitating a bug pattern.
void Java_MyClassNatives_instanceMethodThatShouldTakeClass(JNIEnv*, jobject, jclass) {
}

// This should take jclass, but we're imitating a bug pattern.
void Java_MyClassNatives_staticMethodThatShouldTakeClass(JNIEnv*, jclass, jclass) {
}

void JniCompilerTest::UpcallArgumentTypeChecking_InstanceImpl() {
  // This will lead to error messages in the log.
  ScopedLogSeverity sls(LogSeverity::FATAL);

  SetUpForTest(false, "instanceMethodThatShouldTakeClass", "(ILjava/lang/Class;)V",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_instanceMethodThatShouldTakeClass));

  CheckJniAbortCatcher check_jni_abort_catcher;
  // We deliberately pass a bad second argument here.
  env_->CallVoidMethod(jobj_, jmethod_, 123, env_->NewStringUTF("not a class!"));
  check_jni_abort_catcher.Check(std::string() + "bad arguments passed to void " +
                                    "MyClassNatives.instanceMethodThatShouldTakeClass" +
                                    CurrentJniStringSuffix() + "(int, java.lang.Class)");
}

JNI_TEST(UpcallArgumentTypeChecking_Instance)

void JniCompilerTest::UpcallArgumentTypeChecking_StaticImpl() {
  // This will lead to error messages in the log.
  ScopedLogSeverity sls(LogSeverity::FATAL);

  SetUpForTest(true, "staticMethodThatShouldTakeClass", "(ILjava/lang/Class;)V",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_staticMethodThatShouldTakeClass));

  CheckJniAbortCatcher check_jni_abort_catcher;
  // We deliberately pass a bad second argument here.
  env_->CallStaticVoidMethod(jklass_, jmethod_, 123, env_->NewStringUTF("not a class!"));
  check_jni_abort_catcher.Check(std::string() + "bad arguments passed to void " +
                                    "MyClassNatives.staticMethodThatShouldTakeClass" +
                                    CurrentJniStringSuffix() + "(int, java.lang.Class)");
}

JNI_TEST(UpcallArgumentTypeChecking_Static)

jfloat Java_MyClassNatives_checkFloats(JNIEnv*, jobject, jfloat f1, jfloat f2) {
  return f1 - f2;  // non-commutative operator
}

void JniCompilerTest::CompileAndRunFloatFloatMethodImpl() {
  SetUpForTest(false, "checkFloats", "(FF)F",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_checkFloats));

  jfloat result = env_->CallNonvirtualFloatMethod(jobj_, jklass_, jmethod_,
                                                    99.0F, 10.0F);
  EXPECT_FLOAT_EQ(99.0F - 10.0F, result);
  jfloat a = 3.14159F;
  jfloat b = 0.69314F;
  result = env_->CallNonvirtualFloatMethod(jobj_, jklass_, jmethod_, a, b);
  EXPECT_FLOAT_EQ(a - b, result);
}

JNI_TEST(CompileAndRunFloatFloatMethod)

void Java_MyClassNatives_checkParameterAlign(JNIEnv* env ATTRIBUTE_UNUSED,
                                             jobject thisObj ATTRIBUTE_UNUSED,
                                             jint i1,
                                             jlong l1) {
  EXPECT_EQ(i1, 1234);
  EXPECT_EQ(l1, INT64_C(0x12345678ABCDEF0));
}

void JniCompilerTest::CheckParameterAlignImpl() {
  SetUpForTest(false, "checkParameterAlign", "(IJ)V",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_checkParameterAlign));

  env_->CallNonvirtualVoidMethod(jobj_, jklass_, jmethod_, 1234, INT64_C(0x12345678ABCDEF0));
}

JNI_TEST(CheckParameterAlign)

void Java_MyClassNatives_maxParamNumber(JNIEnv* env, jobject,
    jobject o0, jobject o1, jobject o2, jobject o3, jobject o4, jobject o5, jobject o6, jobject o7,
    jobject o8, jobject o9, jobject o10, jobject o11, jobject o12, jobject o13, jobject o14, jobject o15,
    jobject o16, jobject o17, jobject o18, jobject o19, jobject o20, jobject o21, jobject o22, jobject o23,
    jobject o24, jobject o25, jobject o26, jobject o27, jobject o28, jobject o29, jobject o30, jobject o31,
    jobject o32, jobject o33, jobject o34, jobject o35, jobject o36, jobject o37, jobject o38, jobject o39,
    jobject o40, jobject o41, jobject o42, jobject o43, jobject o44, jobject o45, jobject o46, jobject o47,
    jobject o48, jobject o49, jobject o50, jobject o51, jobject o52, jobject o53, jobject o54, jobject o55,
    jobject o56, jobject o57, jobject o58, jobject o59, jobject o60, jobject o61, jobject o62, jobject o63,
    jobject o64, jobject o65, jobject o66, jobject o67, jobject o68, jobject o69, jobject o70, jobject o71,
    jobject o72, jobject o73, jobject o74, jobject o75, jobject o76, jobject o77, jobject o78, jobject o79,
    jobject o80, jobject o81, jobject o82, jobject o83, jobject o84, jobject o85, jobject o86, jobject o87,
    jobject o88, jobject o89, jobject o90, jobject o91, jobject o92, jobject o93, jobject o94, jobject o95,
    jobject o96, jobject o97, jobject o98, jobject o99, jobject o100, jobject o101, jobject o102, jobject o103,
    jobject o104, jobject o105, jobject o106, jobject o107, jobject o108, jobject o109, jobject o110, jobject o111,
    jobject o112, jobject o113, jobject o114, jobject o115, jobject o116, jobject o117, jobject o118, jobject o119,
    jobject o120, jobject o121, jobject o122, jobject o123, jobject o124, jobject o125, jobject o126, jobject o127,
    jobject o128, jobject o129, jobject o130, jobject o131, jobject o132, jobject o133, jobject o134, jobject o135,
    jobject o136, jobject o137, jobject o138, jobject o139, jobject o140, jobject o141, jobject o142, jobject o143,
    jobject o144, jobject o145, jobject o146, jobject o147, jobject o148, jobject o149, jobject o150, jobject o151,
    jobject o152, jobject o153, jobject o154, jobject o155, jobject o156, jobject o157, jobject o158, jobject o159,
    jobject o160, jobject o161, jobject o162, jobject o163, jobject o164, jobject o165, jobject o166, jobject o167,
    jobject o168, jobject o169, jobject o170, jobject o171, jobject o172, jobject o173, jobject o174, jobject o175,
    jobject o176, jobject o177, jobject o178, jobject o179, jobject o180, jobject o181, jobject o182, jobject o183,
    jobject o184, jobject o185, jobject o186, jobject o187, jobject o188, jobject o189, jobject o190, jobject o191,
    jobject o192, jobject o193, jobject o194, jobject o195, jobject o196, jobject o197, jobject o198, jobject o199,
    jobject o200, jobject o201, jobject o202, jobject o203, jobject o204, jobject o205, jobject o206, jobject o207,
    jobject o208, jobject o209, jobject o210, jobject o211, jobject o212, jobject o213, jobject o214, jobject o215,
    jobject o216, jobject o217, jobject o218, jobject o219, jobject o220, jobject o221, jobject o222, jobject o223,
    jobject o224, jobject o225, jobject o226, jobject o227, jobject o228, jobject o229, jobject o230, jobject o231,
    jobject o232, jobject o233, jobject o234, jobject o235, jobject o236, jobject o237, jobject o238, jobject o239,
    jobject o240, jobject o241, jobject o242, jobject o243, jobject o244, jobject o245, jobject o246, jobject o247,
    jobject o248, jobject o249, jobject o250, jobject o251, jobject o252, jobject o253) {
  // two tests possible
  if (o0 == nullptr) {
    // 1) everything is null
    EXPECT_TRUE(o0 == nullptr && o1 == nullptr && o2 == nullptr && o3 == nullptr && o4 == nullptr
        && o5 == nullptr && o6 == nullptr && o7 == nullptr && o8 == nullptr && o9 == nullptr
        && o10 == nullptr && o11 == nullptr && o12 == nullptr && o13 == nullptr && o14 == nullptr
        && o15 == nullptr && o16 == nullptr && o17 == nullptr && o18 == nullptr && o19 == nullptr
        && o20 == nullptr && o21 == nullptr && o22 == nullptr && o23 == nullptr && o24 == nullptr
        && o25 == nullptr && o26 == nullptr && o27 == nullptr && o28 == nullptr && o29 == nullptr
        && o30 == nullptr && o31 == nullptr && o32 == nullptr && o33 == nullptr && o34 == nullptr
        && o35 == nullptr && o36 == nullptr && o37 == nullptr && o38 == nullptr && o39 == nullptr
        && o40 == nullptr && o41 == nullptr && o42 == nullptr && o43 == nullptr && o44 == nullptr
        && o45 == nullptr && o46 == nullptr && o47 == nullptr && o48 == nullptr && o49 == nullptr
        && o50 == nullptr && o51 == nullptr && o52 == nullptr && o53 == nullptr && o54 == nullptr
        && o55 == nullptr && o56 == nullptr && o57 == nullptr && o58 == nullptr && o59 == nullptr
        && o60 == nullptr && o61 == nullptr && o62 == nullptr && o63 == nullptr && o64 == nullptr
        && o65 == nullptr && o66 == nullptr && o67 == nullptr && o68 == nullptr && o69 == nullptr
        && o70 == nullptr && o71 == nullptr && o72 == nullptr && o73 == nullptr && o74 == nullptr
        && o75 == nullptr && o76 == nullptr && o77 == nullptr && o78 == nullptr && o79 == nullptr
        && o80 == nullptr && o81 == nullptr && o82 == nullptr && o83 == nullptr && o84 == nullptr
        && o85 == nullptr && o86 == nullptr && o87 == nullptr && o88 == nullptr && o89 == nullptr
        && o90 == nullptr && o91 == nullptr && o92 == nullptr && o93 == nullptr && o94 == nullptr
        && o95 == nullptr && o96 == nullptr && o97 == nullptr && o98 == nullptr && o99 == nullptr
        && o100 == nullptr && o101 == nullptr && o102 == nullptr && o103 == nullptr && o104 == nullptr
        && o105 == nullptr && o106 == nullptr && o107 == nullptr && o108 == nullptr && o109 == nullptr
        && o110 == nullptr && o111 == nullptr && o112 == nullptr && o113 == nullptr && o114 == nullptr
        && o115 == nullptr && o116 == nullptr && o117 == nullptr && o118 == nullptr && o119 == nullptr
        && o120 == nullptr && o121 == nullptr && o122 == nullptr && o123 == nullptr && o124 == nullptr
        && o125 == nullptr && o126 == nullptr && o127 == nullptr && o128 == nullptr && o129 == nullptr
        && o130 == nullptr && o131 == nullptr && o132 == nullptr && o133 == nullptr && o134 == nullptr
        && o135 == nullptr && o136 == nullptr && o137 == nullptr && o138 == nullptr && o139 == nullptr
        && o140 == nullptr && o141 == nullptr && o142 == nullptr && o143 == nullptr && o144 == nullptr
        && o145 == nullptr && o146 == nullptr && o147 == nullptr && o148 == nullptr && o149 == nullptr
        && o150 == nullptr && o151 == nullptr && o152 == nullptr && o153 == nullptr && o154 == nullptr
        && o155 == nullptr && o156 == nullptr && o157 == nullptr && o158 == nullptr && o159 == nullptr
        && o160 == nullptr && o161 == nullptr && o162 == nullptr && o163 == nullptr && o164 == nullptr
        && o165 == nullptr && o166 == nullptr && o167 == nullptr && o168 == nullptr && o169 == nullptr
        && o170 == nullptr && o171 == nullptr && o172 == nullptr && o173 == nullptr && o174 == nullptr
        && o175 == nullptr && o176 == nullptr && o177 == nullptr && o178 == nullptr && o179 == nullptr
        && o180 == nullptr && o181 == nullptr && o182 == nullptr && o183 == nullptr && o184 == nullptr
        && o185 == nullptr && o186 == nullptr && o187 == nullptr && o188 == nullptr && o189 == nullptr
        && o190 == nullptr && o191 == nullptr && o192 == nullptr && o193 == nullptr && o194 == nullptr
        && o195 == nullptr && o196 == nullptr && o197 == nullptr && o198 == nullptr && o199 == nullptr
        && o200 == nullptr && o201 == nullptr && o202 == nullptr && o203 == nullptr && o204 == nullptr
        && o205 == nullptr && o206 == nullptr && o207 == nullptr && o208 == nullptr && o209 == nullptr
        && o210 == nullptr && o211 == nullptr && o212 == nullptr && o213 == nullptr && o214 == nullptr
        && o215 == nullptr && o216 == nullptr && o217 == nullptr && o218 == nullptr && o219 == nullptr
        && o220 == nullptr && o221 == nullptr && o222 == nullptr && o223 == nullptr && o224 == nullptr
        && o225 == nullptr && o226 == nullptr && o227 == nullptr && o228 == nullptr && o229 == nullptr
        && o230 == nullptr && o231 == nullptr && o232 == nullptr && o233 == nullptr && o234 == nullptr
        && o235 == nullptr && o236 == nullptr && o237 == nullptr && o238 == nullptr && o239 == nullptr
        && o240 == nullptr && o241 == nullptr && o242 == nullptr && o243 == nullptr && o244 == nullptr
        && o245 == nullptr && o246 == nullptr && o247 == nullptr && o248 == nullptr && o249 == nullptr
        && o250 == nullptr && o251 == nullptr && o252 == nullptr && o253 == nullptr);
  } else {
    EXPECT_EQ(0, env->GetArrayLength(reinterpret_cast<jarray>(o0)));
    EXPECT_EQ(1, env->GetArrayLength(reinterpret_cast<jarray>(o1)));
    EXPECT_EQ(2, env->GetArrayLength(reinterpret_cast<jarray>(o2)));
    EXPECT_EQ(3, env->GetArrayLength(reinterpret_cast<jarray>(o3)));
    EXPECT_EQ(4, env->GetArrayLength(reinterpret_cast<jarray>(o4)));
    EXPECT_EQ(5, env->GetArrayLength(reinterpret_cast<jarray>(o5)));
    EXPECT_EQ(6, env->GetArrayLength(reinterpret_cast<jarray>(o6)));
    EXPECT_EQ(7, env->GetArrayLength(reinterpret_cast<jarray>(o7)));
    EXPECT_EQ(8, env->GetArrayLength(reinterpret_cast<jarray>(o8)));
    EXPECT_EQ(9, env->GetArrayLength(reinterpret_cast<jarray>(o9)));
    EXPECT_EQ(10, env->GetArrayLength(reinterpret_cast<jarray>(o10)));
    EXPECT_EQ(11, env->GetArrayLength(reinterpret_cast<jarray>(o11)));
    EXPECT_EQ(12, env->GetArrayLength(reinterpret_cast<jarray>(o12)));
    EXPECT_EQ(13, env->GetArrayLength(reinterpret_cast<jarray>(o13)));
    EXPECT_EQ(14, env->GetArrayLength(reinterpret_cast<jarray>(o14)));
    EXPECT_EQ(15, env->GetArrayLength(reinterpret_cast<jarray>(o15)));
    EXPECT_EQ(16, env->GetArrayLength(reinterpret_cast<jarray>(o16)));
    EXPECT_EQ(17, env->GetArrayLength(reinterpret_cast<jarray>(o17)));
    EXPECT_EQ(18, env->GetArrayLength(reinterpret_cast<jarray>(o18)));
    EXPECT_EQ(19, env->GetArrayLength(reinterpret_cast<jarray>(o19)));
    EXPECT_EQ(20, env->GetArrayLength(reinterpret_cast<jarray>(o20)));
    EXPECT_EQ(21, env->GetArrayLength(reinterpret_cast<jarray>(o21)));
    EXPECT_EQ(22, env->GetArrayLength(reinterpret_cast<jarray>(o22)));
    EXPECT_EQ(23, env->GetArrayLength(reinterpret_cast<jarray>(o23)));
    EXPECT_EQ(24, env->GetArrayLength(reinterpret_cast<jarray>(o24)));
    EXPECT_EQ(25, env->GetArrayLength(reinterpret_cast<jarray>(o25)));
    EXPECT_EQ(26, env->GetArrayLength(reinterpret_cast<jarray>(o26)));
    EXPECT_EQ(27, env->GetArrayLength(reinterpret_cast<jarray>(o27)));
    EXPECT_EQ(28, env->GetArrayLength(reinterpret_cast<jarray>(o28)));
    EXPECT_EQ(29, env->GetArrayLength(reinterpret_cast<jarray>(o29)));
    EXPECT_EQ(30, env->GetArrayLength(reinterpret_cast<jarray>(o30)));
    EXPECT_EQ(31, env->GetArrayLength(reinterpret_cast<jarray>(o31)));
    EXPECT_EQ(32, env->GetArrayLength(reinterpret_cast<jarray>(o32)));
    EXPECT_EQ(33, env->GetArrayLength(reinterpret_cast<jarray>(o33)));
    EXPECT_EQ(34, env->GetArrayLength(reinterpret_cast<jarray>(o34)));
    EXPECT_EQ(35, env->GetArrayLength(reinterpret_cast<jarray>(o35)));
    EXPECT_EQ(36, env->GetArrayLength(reinterpret_cast<jarray>(o36)));
    EXPECT_EQ(37, env->GetArrayLength(reinterpret_cast<jarray>(o37)));
    EXPECT_EQ(38, env->GetArrayLength(reinterpret_cast<jarray>(o38)));
    EXPECT_EQ(39, env->GetArrayLength(reinterpret_cast<jarray>(o39)));
    EXPECT_EQ(40, env->GetArrayLength(reinterpret_cast<jarray>(o40)));
    EXPECT_EQ(41, env->GetArrayLength(reinterpret_cast<jarray>(o41)));
    EXPECT_EQ(42, env->GetArrayLength(reinterpret_cast<jarray>(o42)));
    EXPECT_EQ(43, env->GetArrayLength(reinterpret_cast<jarray>(o43)));
    EXPECT_EQ(44, env->GetArrayLength(reinterpret_cast<jarray>(o44)));
    EXPECT_EQ(45, env->GetArrayLength(reinterpret_cast<jarray>(o45)));
    EXPECT_EQ(46, env->GetArrayLength(reinterpret_cast<jarray>(o46)));
    EXPECT_EQ(47, env->GetArrayLength(reinterpret_cast<jarray>(o47)));
    EXPECT_EQ(48, env->GetArrayLength(reinterpret_cast<jarray>(o48)));
    EXPECT_EQ(49, env->GetArrayLength(reinterpret_cast<jarray>(o49)));
    EXPECT_EQ(50, env->GetArrayLength(reinterpret_cast<jarray>(o50)));
    EXPECT_EQ(51, env->GetArrayLength(reinterpret_cast<jarray>(o51)));
    EXPECT_EQ(52, env->GetArrayLength(reinterpret_cast<jarray>(o52)));
    EXPECT_EQ(53, env->GetArrayLength(reinterpret_cast<jarray>(o53)));
    EXPECT_EQ(54, env->GetArrayLength(reinterpret_cast<jarray>(o54)));
    EXPECT_EQ(55, env->GetArrayLength(reinterpret_cast<jarray>(o55)));
    EXPECT_EQ(56, env->GetArrayLength(reinterpret_cast<jarray>(o56)));
    EXPECT_EQ(57, env->GetArrayLength(reinterpret_cast<jarray>(o57)));
    EXPECT_EQ(58, env->GetArrayLength(reinterpret_cast<jarray>(o58)));
    EXPECT_EQ(59, env->GetArrayLength(reinterpret_cast<jarray>(o59)));
    EXPECT_EQ(60, env->GetArrayLength(reinterpret_cast<jarray>(o60)));
    EXPECT_EQ(61, env->GetArrayLength(reinterpret_cast<jarray>(o61)));
    EXPECT_EQ(62, env->GetArrayLength(reinterpret_cast<jarray>(o62)));
    EXPECT_EQ(63, env->GetArrayLength(reinterpret_cast<jarray>(o63)));
    EXPECT_EQ(64, env->GetArrayLength(reinterpret_cast<jarray>(o64)));
    EXPECT_EQ(65, env->GetArrayLength(reinterpret_cast<jarray>(o65)));
    EXPECT_EQ(66, env->GetArrayLength(reinterpret_cast<jarray>(o66)));
    EXPECT_EQ(67, env->GetArrayLength(reinterpret_cast<jarray>(o67)));
    EXPECT_EQ(68, env->GetArrayLength(reinterpret_cast<jarray>(o68)));
    EXPECT_EQ(69, env->GetArrayLength(reinterpret_cast<jarray>(o69)));
    EXPECT_EQ(70, env->GetArrayLength(reinterpret_cast<jarray>(o70)));
    EXPECT_EQ(71, env->GetArrayLength(reinterpret_cast<jarray>(o71)));
    EXPECT_EQ(72, env->GetArrayLength(reinterpret_cast<jarray>(o72)));
    EXPECT_EQ(73, env->GetArrayLength(reinterpret_cast<jarray>(o73)));
    EXPECT_EQ(74, env->GetArrayLength(reinterpret_cast<jarray>(o74)));
    EXPECT_EQ(75, env->GetArrayLength(reinterpret_cast<jarray>(o75)));
    EXPECT_EQ(76, env->GetArrayLength(reinterpret_cast<jarray>(o76)));
    EXPECT_EQ(77, env->GetArrayLength(reinterpret_cast<jarray>(o77)));
    EXPECT_EQ(78, env->GetArrayLength(reinterpret_cast<jarray>(o78)));
    EXPECT_EQ(79, env->GetArrayLength(reinterpret_cast<jarray>(o79)));
    EXPECT_EQ(80, env->GetArrayLength(reinterpret_cast<jarray>(o80)));
    EXPECT_EQ(81, env->GetArrayLength(reinterpret_cast<jarray>(o81)));
    EXPECT_EQ(82, env->GetArrayLength(reinterpret_cast<jarray>(o82)));
    EXPECT_EQ(83, env->GetArrayLength(reinterpret_cast<jarray>(o83)));
    EXPECT_EQ(84, env->GetArrayLength(reinterpret_cast<jarray>(o84)));
    EXPECT_EQ(85, env->GetArrayLength(reinterpret_cast<jarray>(o85)));
    EXPECT_EQ(86, env->GetArrayLength(reinterpret_cast<jarray>(o86)));
    EXPECT_EQ(87, env->GetArrayLength(reinterpret_cast<jarray>(o87)));
    EXPECT_EQ(88, env->GetArrayLength(reinterpret_cast<jarray>(o88)));
    EXPECT_EQ(89, env->GetArrayLength(reinterpret_cast<jarray>(o89)));
    EXPECT_EQ(90, env->GetArrayLength(reinterpret_cast<jarray>(o90)));
    EXPECT_EQ(91, env->GetArrayLength(reinterpret_cast<jarray>(o91)));
    EXPECT_EQ(92, env->GetArrayLength(reinterpret_cast<jarray>(o92)));
    EXPECT_EQ(93, env->GetArrayLength(reinterpret_cast<jarray>(o93)));
    EXPECT_EQ(94, env->GetArrayLength(reinterpret_cast<jarray>(o94)));
    EXPECT_EQ(95, env->GetArrayLength(reinterpret_cast<jarray>(o95)));
    EXPECT_EQ(96, env->GetArrayLength(reinterpret_cast<jarray>(o96)));
    EXPECT_EQ(97, env->GetArrayLength(reinterpret_cast<jarray>(o97)));
    EXPECT_EQ(98, env->GetArrayLength(reinterpret_cast<jarray>(o98)));
    EXPECT_EQ(99, env->GetArrayLength(reinterpret_cast<jarray>(o99)));
    EXPECT_EQ(100, env->GetArrayLength(reinterpret_cast<jarray>(o100)));
    EXPECT_EQ(101, env->GetArrayLength(reinterpret_cast<jarray>(o101)));
    EXPECT_EQ(102, env->GetArrayLength(reinterpret_cast<jarray>(o102)));
    EXPECT_EQ(103, env->GetArrayLength(reinterpret_cast<jarray>(o103)));
    EXPECT_EQ(104, env->GetArrayLength(reinterpret_cast<jarray>(o104)));
    EXPECT_EQ(105, env->GetArrayLength(reinterpret_cast<jarray>(o105)));
    EXPECT_EQ(106, env->GetArrayLength(reinterpret_cast<jarray>(o106)));
    EXPECT_EQ(107, env->GetArrayLength(reinterpret_cast<jarray>(o107)));
    EXPECT_EQ(108, env->GetArrayLength(reinterpret_cast<jarray>(o108)));
    EXPECT_EQ(109, env->GetArrayLength(reinterpret_cast<jarray>(o109)));
    EXPECT_EQ(110, env->GetArrayLength(reinterpret_cast<jarray>(o110)));
    EXPECT_EQ(111, env->GetArrayLength(reinterpret_cast<jarray>(o111)));
    EXPECT_EQ(112, env->GetArrayLength(reinterpret_cast<jarray>(o112)));
    EXPECT_EQ(113, env->GetArrayLength(reinterpret_cast<jarray>(o113)));
    EXPECT_EQ(114, env->GetArrayLength(reinterpret_cast<jarray>(o114)));
    EXPECT_EQ(115, env->GetArrayLength(reinterpret_cast<jarray>(o115)));
    EXPECT_EQ(116, env->GetArrayLength(reinterpret_cast<jarray>(o116)));
    EXPECT_EQ(117, env->GetArrayLength(reinterpret_cast<jarray>(o117)));
    EXPECT_EQ(118, env->GetArrayLength(reinterpret_cast<jarray>(o118)));
    EXPECT_EQ(119, env->GetArrayLength(reinterpret_cast<jarray>(o119)));
    EXPECT_EQ(120, env->GetArrayLength(reinterpret_cast<jarray>(o120)));
    EXPECT_EQ(121, env->GetArrayLength(reinterpret_cast<jarray>(o121)));
    EXPECT_EQ(122, env->GetArrayLength(reinterpret_cast<jarray>(o122)));
    EXPECT_EQ(123, env->GetArrayLength(reinterpret_cast<jarray>(o123)));
    EXPECT_EQ(124, env->GetArrayLength(reinterpret_cast<jarray>(o124)));
    EXPECT_EQ(125, env->GetArrayLength(reinterpret_cast<jarray>(o125)));
    EXPECT_EQ(126, env->GetArrayLength(reinterpret_cast<jarray>(o126)));
    EXPECT_EQ(127, env->GetArrayLength(reinterpret_cast<jarray>(o127)));
    EXPECT_EQ(128, env->GetArrayLength(reinterpret_cast<jarray>(o128)));
    EXPECT_EQ(129, env->GetArrayLength(reinterpret_cast<jarray>(o129)));
    EXPECT_EQ(130, env->GetArrayLength(reinterpret_cast<jarray>(o130)));
    EXPECT_EQ(131, env->GetArrayLength(reinterpret_cast<jarray>(o131)));
    EXPECT_EQ(132, env->GetArrayLength(reinterpret_cast<jarray>(o132)));
    EXPECT_EQ(133, env->GetArrayLength(reinterpret_cast<jarray>(o133)));
    EXPECT_EQ(134, env->GetArrayLength(reinterpret_cast<jarray>(o134)));
    EXPECT_EQ(135, env->GetArrayLength(reinterpret_cast<jarray>(o135)));
    EXPECT_EQ(136, env->GetArrayLength(reinterpret_cast<jarray>(o136)));
    EXPECT_EQ(137, env->GetArrayLength(reinterpret_cast<jarray>(o137)));
    EXPECT_EQ(138, env->GetArrayLength(reinterpret_cast<jarray>(o138)));
    EXPECT_EQ(139, env->GetArrayLength(reinterpret_cast<jarray>(o139)));
    EXPECT_EQ(140, env->GetArrayLength(reinterpret_cast<jarray>(o140)));
    EXPECT_EQ(141, env->GetArrayLength(reinterpret_cast<jarray>(o141)));
    EXPECT_EQ(142, env->GetArrayLength(reinterpret_cast<jarray>(o142)));
    EXPECT_EQ(143, env->GetArrayLength(reinterpret_cast<jarray>(o143)));
    EXPECT_EQ(144, env->GetArrayLength(reinterpret_cast<jarray>(o144)));
    EXPECT_EQ(145, env->GetArrayLength(reinterpret_cast<jarray>(o145)));
    EXPECT_EQ(146, env->GetArrayLength(reinterpret_cast<jarray>(o146)));
    EXPECT_EQ(147, env->GetArrayLength(reinterpret_cast<jarray>(o147)));
    EXPECT_EQ(148, env->GetArrayLength(reinterpret_cast<jarray>(o148)));
    EXPECT_EQ(149, env->GetArrayLength(reinterpret_cast<jarray>(o149)));
    EXPECT_EQ(150, env->GetArrayLength(reinterpret_cast<jarray>(o150)));
    EXPECT_EQ(151, env->GetArrayLength(reinterpret_cast<jarray>(o151)));
    EXPECT_EQ(152, env->GetArrayLength(reinterpret_cast<jarray>(o152)));
    EXPECT_EQ(153, env->GetArrayLength(reinterpret_cast<jarray>(o153)));
    EXPECT_EQ(154, env->GetArrayLength(reinterpret_cast<jarray>(o154)));
    EXPECT_EQ(155, env->GetArrayLength(reinterpret_cast<jarray>(o155)));
    EXPECT_EQ(156, env->GetArrayLength(reinterpret_cast<jarray>(o156)));
    EXPECT_EQ(157, env->GetArrayLength(reinterpret_cast<jarray>(o157)));
    EXPECT_EQ(158, env->GetArrayLength(reinterpret_cast<jarray>(o158)));
    EXPECT_EQ(159, env->GetArrayLength(reinterpret_cast<jarray>(o159)));
    EXPECT_EQ(160, env->GetArrayLength(reinterpret_cast<jarray>(o160)));
    EXPECT_EQ(161, env->GetArrayLength(reinterpret_cast<jarray>(o161)));
    EXPECT_EQ(162, env->GetArrayLength(reinterpret_cast<jarray>(o162)));
    EXPECT_EQ(163, env->GetArrayLength(reinterpret_cast<jarray>(o163)));
    EXPECT_EQ(164, env->GetArrayLength(reinterpret_cast<jarray>(o164)));
    EXPECT_EQ(165, env->GetArrayLength(reinterpret_cast<jarray>(o165)));
    EXPECT_EQ(166, env->GetArrayLength(reinterpret_cast<jarray>(o166)));
    EXPECT_EQ(167, env->GetArrayLength(reinterpret_cast<jarray>(o167)));
    EXPECT_EQ(168, env->GetArrayLength(reinterpret_cast<jarray>(o168)));
    EXPECT_EQ(169, env->GetArrayLength(reinterpret_cast<jarray>(o169)));
    EXPECT_EQ(170, env->GetArrayLength(reinterpret_cast<jarray>(o170)));
    EXPECT_EQ(171, env->GetArrayLength(reinterpret_cast<jarray>(o171)));
    EXPECT_EQ(172, env->GetArrayLength(reinterpret_cast<jarray>(o172)));
    EXPECT_EQ(173, env->GetArrayLength(reinterpret_cast<jarray>(o173)));
    EXPECT_EQ(174, env->GetArrayLength(reinterpret_cast<jarray>(o174)));
    EXPECT_EQ(175, env->GetArrayLength(reinterpret_cast<jarray>(o175)));
    EXPECT_EQ(176, env->GetArrayLength(reinterpret_cast<jarray>(o176)));
    EXPECT_EQ(177, env->GetArrayLength(reinterpret_cast<jarray>(o177)));
    EXPECT_EQ(178, env->GetArrayLength(reinterpret_cast<jarray>(o178)));
    EXPECT_EQ(179, env->GetArrayLength(reinterpret_cast<jarray>(o179)));
    EXPECT_EQ(180, env->GetArrayLength(reinterpret_cast<jarray>(o180)));
    EXPECT_EQ(181, env->GetArrayLength(reinterpret_cast<jarray>(o181)));
    EXPECT_EQ(182, env->GetArrayLength(reinterpret_cast<jarray>(o182)));
    EXPECT_EQ(183, env->GetArrayLength(reinterpret_cast<jarray>(o183)));
    EXPECT_EQ(184, env->GetArrayLength(reinterpret_cast<jarray>(o184)));
    EXPECT_EQ(185, env->GetArrayLength(reinterpret_cast<jarray>(o185)));
    EXPECT_EQ(186, env->GetArrayLength(reinterpret_cast<jarray>(o186)));
    EXPECT_EQ(187, env->GetArrayLength(reinterpret_cast<jarray>(o187)));
    EXPECT_EQ(188, env->GetArrayLength(reinterpret_cast<jarray>(o188)));
    EXPECT_EQ(189, env->GetArrayLength(reinterpret_cast<jarray>(o189)));
    EXPECT_EQ(190, env->GetArrayLength(reinterpret_cast<jarray>(o190)));
    EXPECT_EQ(191, env->GetArrayLength(reinterpret_cast<jarray>(o191)));
    EXPECT_EQ(192, env->GetArrayLength(reinterpret_cast<jarray>(o192)));
    EXPECT_EQ(193, env->GetArrayLength(reinterpret_cast<jarray>(o193)));
    EXPECT_EQ(194, env->GetArrayLength(reinterpret_cast<jarray>(o194)));
    EXPECT_EQ(195, env->GetArrayLength(reinterpret_cast<jarray>(o195)));
    EXPECT_EQ(196, env->GetArrayLength(reinterpret_cast<jarray>(o196)));
    EXPECT_EQ(197, env->GetArrayLength(reinterpret_cast<jarray>(o197)));
    EXPECT_EQ(198, env->GetArrayLength(reinterpret_cast<jarray>(o198)));
    EXPECT_EQ(199, env->GetArrayLength(reinterpret_cast<jarray>(o199)));
    EXPECT_EQ(200, env->GetArrayLength(reinterpret_cast<jarray>(o200)));
    EXPECT_EQ(201, env->GetArrayLength(reinterpret_cast<jarray>(o201)));
    EXPECT_EQ(202, env->GetArrayLength(reinterpret_cast<jarray>(o202)));
    EXPECT_EQ(203, env->GetArrayLength(reinterpret_cast<jarray>(o203)));
    EXPECT_EQ(204, env->GetArrayLength(reinterpret_cast<jarray>(o204)));
    EXPECT_EQ(205, env->GetArrayLength(reinterpret_cast<jarray>(o205)));
    EXPECT_EQ(206, env->GetArrayLength(reinterpret_cast<jarray>(o206)));
    EXPECT_EQ(207, env->GetArrayLength(reinterpret_cast<jarray>(o207)));
    EXPECT_EQ(208, env->GetArrayLength(reinterpret_cast<jarray>(o208)));
    EXPECT_EQ(209, env->GetArrayLength(reinterpret_cast<jarray>(o209)));
    EXPECT_EQ(210, env->GetArrayLength(reinterpret_cast<jarray>(o210)));
    EXPECT_EQ(211, env->GetArrayLength(reinterpret_cast<jarray>(o211)));
    EXPECT_EQ(212, env->GetArrayLength(reinterpret_cast<jarray>(o212)));
    EXPECT_EQ(213, env->GetArrayLength(reinterpret_cast<jarray>(o213)));
    EXPECT_EQ(214, env->GetArrayLength(reinterpret_cast<jarray>(o214)));
    EXPECT_EQ(215, env->GetArrayLength(reinterpret_cast<jarray>(o215)));
    EXPECT_EQ(216, env->GetArrayLength(reinterpret_cast<jarray>(o216)));
    EXPECT_EQ(217, env->GetArrayLength(reinterpret_cast<jarray>(o217)));
    EXPECT_EQ(218, env->GetArrayLength(reinterpret_cast<jarray>(o218)));
    EXPECT_EQ(219, env->GetArrayLength(reinterpret_cast<jarray>(o219)));
    EXPECT_EQ(220, env->GetArrayLength(reinterpret_cast<jarray>(o220)));
    EXPECT_EQ(221, env->GetArrayLength(reinterpret_cast<jarray>(o221)));
    EXPECT_EQ(222, env->GetArrayLength(reinterpret_cast<jarray>(o222)));
    EXPECT_EQ(223, env->GetArrayLength(reinterpret_cast<jarray>(o223)));
    EXPECT_EQ(224, env->GetArrayLength(reinterpret_cast<jarray>(o224)));
    EXPECT_EQ(225, env->GetArrayLength(reinterpret_cast<jarray>(o225)));
    EXPECT_EQ(226, env->GetArrayLength(reinterpret_cast<jarray>(o226)));
    EXPECT_EQ(227, env->GetArrayLength(reinterpret_cast<jarray>(o227)));
    EXPECT_EQ(228, env->GetArrayLength(reinterpret_cast<jarray>(o228)));
    EXPECT_EQ(229, env->GetArrayLength(reinterpret_cast<jarray>(o229)));
    EXPECT_EQ(230, env->GetArrayLength(reinterpret_cast<jarray>(o230)));
    EXPECT_EQ(231, env->GetArrayLength(reinterpret_cast<jarray>(o231)));
    EXPECT_EQ(232, env->GetArrayLength(reinterpret_cast<jarray>(o232)));
    EXPECT_EQ(233, env->GetArrayLength(reinterpret_cast<jarray>(o233)));
    EXPECT_EQ(234, env->GetArrayLength(reinterpret_cast<jarray>(o234)));
    EXPECT_EQ(235, env->GetArrayLength(reinterpret_cast<jarray>(o235)));
    EXPECT_EQ(236, env->GetArrayLength(reinterpret_cast<jarray>(o236)));
    EXPECT_EQ(237, env->GetArrayLength(reinterpret_cast<jarray>(o237)));
    EXPECT_EQ(238, env->GetArrayLength(reinterpret_cast<jarray>(o238)));
    EXPECT_EQ(239, env->GetArrayLength(reinterpret_cast<jarray>(o239)));
    EXPECT_EQ(240, env->GetArrayLength(reinterpret_cast<jarray>(o240)));
    EXPECT_EQ(241, env->GetArrayLength(reinterpret_cast<jarray>(o241)));
    EXPECT_EQ(242, env->GetArrayLength(reinterpret_cast<jarray>(o242)));
    EXPECT_EQ(243, env->GetArrayLength(reinterpret_cast<jarray>(o243)));
    EXPECT_EQ(244, env->GetArrayLength(reinterpret_cast<jarray>(o244)));
    EXPECT_EQ(245, env->GetArrayLength(reinterpret_cast<jarray>(o245)));
    EXPECT_EQ(246, env->GetArrayLength(reinterpret_cast<jarray>(o246)));
    EXPECT_EQ(247, env->GetArrayLength(reinterpret_cast<jarray>(o247)));
    EXPECT_EQ(248, env->GetArrayLength(reinterpret_cast<jarray>(o248)));
    EXPECT_EQ(249, env->GetArrayLength(reinterpret_cast<jarray>(o249)));
    EXPECT_EQ(250, env->GetArrayLength(reinterpret_cast<jarray>(o250)));
    EXPECT_EQ(251, env->GetArrayLength(reinterpret_cast<jarray>(o251)));
    EXPECT_EQ(252, env->GetArrayLength(reinterpret_cast<jarray>(o252)));
    EXPECT_EQ(253, env->GetArrayLength(reinterpret_cast<jarray>(o253)));
  }
}

const char* longSig =
    "(Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;"
    "Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)V";

void JniCompilerTest::MaxParamNumberImpl() {
  SetUpForTest(false, "maxParamNumber", longSig,
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_maxParamNumber));

  jvalue args[254];

  // First test: test with all arguments null.
  for (int i = 0; i < 254; ++i) {
    args[i].l = nullptr;
  }

  env_->CallNonvirtualVoidMethodA(jobj_, jklass_, jmethod_, args);

  // Second test: test with int[] objects with increasing lengths
  for (int i = 0; i < 254; ++i) {
    jintArray tmp = env_->NewIntArray(i);
    args[i].l = tmp;
    EXPECT_NE(args[i].l, nullptr);
  }

  env_->CallNonvirtualVoidMethodA(jobj_, jklass_, jmethod_, args);
}

JNI_TEST(MaxParamNumber)

void JniCompilerTest::WithoutImplementationImpl() {
  // This will lead to error messages in the log.
  ScopedLogSeverity sls(LogSeverity::FATAL);

  SetUpForTest(false, "withoutImplementation", "()V", NORMAL_OR_FAST_JNI_ONLY_NULLPTR);

  env_->CallVoidMethod(jobj_, jmethod_);

  EXPECT_TRUE(Thread::Current()->IsExceptionPending());
  EXPECT_TRUE(env_->ExceptionCheck() == JNI_TRUE);
}

JNI_TEST(WithoutImplementation)

void JniCompilerTest::WithoutImplementationRefReturnImpl() {
  // This will lead to error messages in the log.
  ScopedLogSeverity sls(LogSeverity::FATAL);

  SetUpForTest(false,
               "withoutImplementationRefReturn",
               "()Ljava/lang/Object;",
               NORMAL_OR_FAST_JNI_ONLY_NULLPTR);

  env_->CallObjectMethod(jobj_, jmethod_);

  EXPECT_TRUE(Thread::Current()->IsExceptionPending());
  EXPECT_TRUE(env_->ExceptionCheck() == JNI_TRUE);
}

JNI_TEST(WithoutImplementationRefReturn)

void JniCompilerTest::StaticWithoutImplementationImpl() {
  // This will lead to error messages in the log.
  ScopedLogSeverity sls(LogSeverity::FATAL);

  SetUpForTest(true, "staticWithoutImplementation", "()V", nullptr);

  env_->CallStaticVoidMethod(jklass_, jmethod_);

  EXPECT_TRUE(Thread::Current()->IsExceptionPending());
  EXPECT_TRUE(env_->ExceptionCheck() == JNI_TRUE);
}

JNI_TEST_CRITICAL(StaticWithoutImplementation)

void Java_MyClassNatives_stackArgsIntsFirst(JNIEnv*, jclass, jint i1, jint i2, jint i3,
                                            jint i4, jint i5, jint i6, jint i7, jint i8, jint i9,
                                            jint i10, jfloat f1, jfloat f2, jfloat f3, jfloat f4,
                                            jfloat f5, jfloat f6, jfloat f7, jfloat f8, jfloat f9,
                                            jfloat f10) {
  EXPECT_EQ(i1, 1);
  EXPECT_EQ(i2, 2);
  EXPECT_EQ(i3, 3);
  EXPECT_EQ(i4, 4);
  EXPECT_EQ(i5, 5);
  EXPECT_EQ(i6, 6);
  EXPECT_EQ(i7, 7);
  EXPECT_EQ(i8, 8);
  EXPECT_EQ(i9, 9);
  EXPECT_EQ(i10, 10);

  jint i11 = bit_cast<jint, jfloat>(f1);
  EXPECT_EQ(i11, 11);
  jint i12 = bit_cast<jint, jfloat>(f2);
  EXPECT_EQ(i12, 12);
  jint i13 = bit_cast<jint, jfloat>(f3);
  EXPECT_EQ(i13, 13);
  jint i14 = bit_cast<jint, jfloat>(f4);
  EXPECT_EQ(i14, 14);
  jint i15 = bit_cast<jint, jfloat>(f5);
  EXPECT_EQ(i15, 15);
  jint i16 = bit_cast<jint, jfloat>(f6);
  EXPECT_EQ(i16, 16);
  jint i17 = bit_cast<jint, jfloat>(f7);
  EXPECT_EQ(i17, 17);
  jint i18 = bit_cast<jint, jfloat>(f8);
  EXPECT_EQ(i18, 18);
  jint i19 = bit_cast<jint, jfloat>(f9);
  EXPECT_EQ(i19, 19);
  jint i20 = bit_cast<jint, jfloat>(f10);
  EXPECT_EQ(i20, 20);
}

void JniCompilerTest::StackArgsIntsFirstImpl() {
  SetUpForTest(true, "stackArgsIntsFirst", "(IIIIIIIIIIFFFFFFFFFF)V",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_stackArgsIntsFirst));

  jint i1 = 1;
  jint i2 = 2;
  jint i3 = 3;
  jint i4 = 4;
  jint i5 = 5;
  jint i6 = 6;
  jint i7 = 7;
  jint i8 = 8;
  jint i9 = 9;
  jint i10 = 10;

  jfloat f1 = bit_cast<jfloat, jint>(11);
  jfloat f2 = bit_cast<jfloat, jint>(12);
  jfloat f3 = bit_cast<jfloat, jint>(13);
  jfloat f4 = bit_cast<jfloat, jint>(14);
  jfloat f5 = bit_cast<jfloat, jint>(15);
  jfloat f6 = bit_cast<jfloat, jint>(16);
  jfloat f7 = bit_cast<jfloat, jint>(17);
  jfloat f8 = bit_cast<jfloat, jint>(18);
  jfloat f9 = bit_cast<jfloat, jint>(19);
  jfloat f10 = bit_cast<jfloat, jint>(20);

  env_->CallStaticVoidMethod(jklass_, jmethod_, i1, i2, i3, i4, i5, i6, i7, i8, i9, i10, f1, f2,
                             f3, f4, f5, f6, f7, f8, f9, f10);
}

JNI_TEST_CRITICAL(StackArgsIntsFirst)

void Java_MyClassNatives_stackArgsFloatsFirst(JNIEnv*, jclass, jfloat f1, jfloat f2,
                                              jfloat f3, jfloat f4, jfloat f5, jfloat f6, jfloat f7,
                                              jfloat f8, jfloat f9, jfloat f10, jint i1, jint i2,
                                              jint i3, jint i4, jint i5, jint i6, jint i7, jint i8,
                                              jint i9, jint i10) {
  EXPECT_EQ(i1, 1);
  EXPECT_EQ(i2, 2);
  EXPECT_EQ(i3, 3);
  EXPECT_EQ(i4, 4);
  EXPECT_EQ(i5, 5);
  EXPECT_EQ(i6, 6);
  EXPECT_EQ(i7, 7);
  EXPECT_EQ(i8, 8);
  EXPECT_EQ(i9, 9);
  EXPECT_EQ(i10, 10);

  jint i11 = bit_cast<jint, jfloat>(f1);
  EXPECT_EQ(i11, 11);
  jint i12 = bit_cast<jint, jfloat>(f2);
  EXPECT_EQ(i12, 12);
  jint i13 = bit_cast<jint, jfloat>(f3);
  EXPECT_EQ(i13, 13);
  jint i14 = bit_cast<jint, jfloat>(f4);
  EXPECT_EQ(i14, 14);
  jint i15 = bit_cast<jint, jfloat>(f5);
  EXPECT_EQ(i15, 15);
  jint i16 = bit_cast<jint, jfloat>(f6);
  EXPECT_EQ(i16, 16);
  jint i17 = bit_cast<jint, jfloat>(f7);
  EXPECT_EQ(i17, 17);
  jint i18 = bit_cast<jint, jfloat>(f8);
  EXPECT_EQ(i18, 18);
  jint i19 = bit_cast<jint, jfloat>(f9);
  EXPECT_EQ(i19, 19);
  jint i20 = bit_cast<jint, jfloat>(f10);
  EXPECT_EQ(i20, 20);
}

void JniCompilerTest::StackArgsFloatsFirstImpl() {
  SetUpForTest(true, "stackArgsFloatsFirst", "(FFFFFFFFFFIIIIIIIIII)V",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_stackArgsFloatsFirst));

  jint i1 = 1;
  jint i2 = 2;
  jint i3 = 3;
  jint i4 = 4;
  jint i5 = 5;
  jint i6 = 6;
  jint i7 = 7;
  jint i8 = 8;
  jint i9 = 9;
  jint i10 = 10;

  jfloat f1 = bit_cast<jfloat, jint>(11);
  jfloat f2 = bit_cast<jfloat, jint>(12);
  jfloat f3 = bit_cast<jfloat, jint>(13);
  jfloat f4 = bit_cast<jfloat, jint>(14);
  jfloat f5 = bit_cast<jfloat, jint>(15);
  jfloat f6 = bit_cast<jfloat, jint>(16);
  jfloat f7 = bit_cast<jfloat, jint>(17);
  jfloat f8 = bit_cast<jfloat, jint>(18);
  jfloat f9 = bit_cast<jfloat, jint>(19);
  jfloat f10 = bit_cast<jfloat, jint>(20);

  env_->CallStaticVoidMethod(jklass_, jmethod_, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, i1, i2, i3,
                             i4, i5, i6, i7, i8, i9, i10);
}

JNI_TEST_CRITICAL(StackArgsFloatsFirst)

void Java_MyClassNatives_stackArgsMixed(JNIEnv*, jclass, jint i1, jfloat f1, jint i2,
                                        jfloat f2, jint i3, jfloat f3, jint i4, jfloat f4, jint i5,
                                        jfloat f5, jint i6, jfloat f6, jint i7, jfloat f7, jint i8,
                                        jfloat f8, jint i9, jfloat f9, jint i10, jfloat f10) {
  EXPECT_EQ(i1, 1);
  EXPECT_EQ(i2, 2);
  EXPECT_EQ(i3, 3);
  EXPECT_EQ(i4, 4);
  EXPECT_EQ(i5, 5);
  EXPECT_EQ(i6, 6);
  EXPECT_EQ(i7, 7);
  EXPECT_EQ(i8, 8);
  EXPECT_EQ(i9, 9);
  EXPECT_EQ(i10, 10);

  jint i11 = bit_cast<jint, jfloat>(f1);
  EXPECT_EQ(i11, 11);
  jint i12 = bit_cast<jint, jfloat>(f2);
  EXPECT_EQ(i12, 12);
  jint i13 = bit_cast<jint, jfloat>(f3);
  EXPECT_EQ(i13, 13);
  jint i14 = bit_cast<jint, jfloat>(f4);
  EXPECT_EQ(i14, 14);
  jint i15 = bit_cast<jint, jfloat>(f5);
  EXPECT_EQ(i15, 15);
  jint i16 = bit_cast<jint, jfloat>(f6);
  EXPECT_EQ(i16, 16);
  jint i17 = bit_cast<jint, jfloat>(f7);
  EXPECT_EQ(i17, 17);
  jint i18 = bit_cast<jint, jfloat>(f8);
  EXPECT_EQ(i18, 18);
  jint i19 = bit_cast<jint, jfloat>(f9);
  EXPECT_EQ(i19, 19);
  jint i20 = bit_cast<jint, jfloat>(f10);
  EXPECT_EQ(i20, 20);
}

void JniCompilerTest::StackArgsMixedImpl() {
  SetUpForTest(true, "stackArgsMixed", "(IFIFIFIFIFIFIFIFIFIF)V",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_stackArgsMixed));

  jint i1 = 1;
  jint i2 = 2;
  jint i3 = 3;
  jint i4 = 4;
  jint i5 = 5;
  jint i6 = 6;
  jint i7 = 7;
  jint i8 = 8;
  jint i9 = 9;
  jint i10 = 10;

  jfloat f1 = bit_cast<jfloat, jint>(11);
  jfloat f2 = bit_cast<jfloat, jint>(12);
  jfloat f3 = bit_cast<jfloat, jint>(13);
  jfloat f4 = bit_cast<jfloat, jint>(14);
  jfloat f5 = bit_cast<jfloat, jint>(15);
  jfloat f6 = bit_cast<jfloat, jint>(16);
  jfloat f7 = bit_cast<jfloat, jint>(17);
  jfloat f8 = bit_cast<jfloat, jint>(18);
  jfloat f9 = bit_cast<jfloat, jint>(19);
  jfloat f10 = bit_cast<jfloat, jint>(20);

  env_->CallStaticVoidMethod(jklass_, jmethod_, i1, f1, i2, f2, i3, f3, i4, f4, i5, f5, i6, f6, i7,
                             f7, i8, f8, i9, f9, i10, f10);
}

JNI_TEST_CRITICAL(StackArgsMixed)

void Java_MyClassNatives_normalNative(JNIEnv*, jclass) {
  // Intentionally left empty.
}

// Methods not annotated with anything are not considered "fast native"
// -- Check that the annotation lookup does not find it.
void JniCompilerTest::NormalNativeImpl() {
  SetUpForTest(/* direct= */ true,
               "normalNative",
               "()V",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_normalNative));

  ArtMethod* method = jni::DecodeArtMethod(jmethod_);
  ASSERT_TRUE(method != nullptr);

  EXPECT_FALSE(method->IsCriticalNative());
  EXPECT_FALSE(method->IsFastNative());
}

// TODO: just rename the java functions  to the standard convention and remove duplicated tests
JNI_TEST_NORMAL_ONLY(NormalNative)

// Methods annotated with @FastNative are considered "fast native"
// -- Check that the annotation lookup succeeds.
void Java_MyClassNatives_fastNative(JNIEnv*, jclass) {
  // Intentionally left empty.
}

void JniCompilerTest::FastNativeImpl() {
  SetUpForTest(/* direct= */ true,
               "fastNative",
               "()V",
               CURRENT_JNI_WRAPPER(Java_MyClassNatives_fastNative));

  ArtMethod* method = jni::DecodeArtMethod(jmethod_);
  ASSERT_TRUE(method != nullptr);

  EXPECT_FALSE(method->IsCriticalNative());
  EXPECT_TRUE(method->IsFastNative());
}

// TODO: just rename the java functions  to the standard convention and remove duplicated tests
JNI_TEST_NORMAL_ONLY(FastNative)

int gJava_myClassNatives_criticalNative_calls[kJniKindCount] = {};
// Methods annotated with @CriticalNative are considered "critical native"
// -- Check that the annotation lookup succeeds.
void Java_MyClassNatives_criticalNative() {
  gJava_myClassNatives_criticalNative_calls[gCurrentJni]++;
}

void JniCompilerTest::CriticalNativeImpl() {
  SetUpForTest(/* direct= */ true,
               // Important: Don't change the "current jni" yet to avoid a method name suffix.
               "criticalNative",
               "()V",
               // TODO: Use CURRENT_JNI_WRAPPER instead which is more generic.
               reinterpret_cast<void*>(&Java_MyClassNatives_criticalNative));

  // TODO: remove this manual updating of the current JNI. Merge with the other tests.
  UpdateCurrentJni(JniKind::kCritical);
  ASSERT_TRUE(IsCurrentJniCritical());

  ArtMethod* method = jni::DecodeArtMethod(jmethod_);
  ASSERT_TRUE(method != nullptr);

  EXPECT_TRUE(method->IsCriticalNative());
  EXPECT_FALSE(method->IsFastNative());

  EXPECT_EQ(0, gJava_myClassNatives_criticalNative_calls[gCurrentJni]);
  env_->CallStaticVoidMethod(jklass_, jmethod_);
  EXPECT_EQ(1, gJava_myClassNatives_criticalNative_calls[gCurrentJni]);

  gJava_myClassNatives_criticalNative_calls[gCurrentJni] = 0;
}

// TODO: just rename the java functions  to the standard convention and remove duplicated tests
JNI_TEST_NORMAL_ONLY(CriticalNative)

}  // namespace art