blob: ecc2f88035339aff954c3ab23c53e317d1d6224b [file] [log] [blame]
// Copyright 2011 Google Inc. All Rights Reserved.
#include "jni_compiler.h"
#include <sys/mman.h>
#include "UniquePtr.h"
#include "assembler.h"
#include "class_linker.h"
#include "common_test.h"
#include "dex_file.h"
#include "gtest/gtest.h"
#include "indirect_reference_table.h"
#include "jni_internal.h"
#include "mem_map.h"
#include "runtime.h"
#include "scoped_jni_thread_state.h"
#include "thread.h"
namespace art {
class JniCompilerTest : public CommonTest {
protected:
virtual void SetUp() {
CommonTest::SetUp();
class_loader_ = LoadDex("MyClassNatives");
}
void CompileForTest(bool direct, const char* method_name, const char* method_sig) {
// Compile the native method before starting the runtime
Class* c = class_linker_->FindClass("LMyClass;", class_loader_);
Method* method;
if (direct) {
method = c->FindDirectMethod(method_name, method_sig);
} else {
method = c->FindVirtualMethod(method_name, method_sig);
}
ASSERT_TRUE(method != NULL);
if (method->GetCode() != NULL) {
return;
}
CompileMethod(method);
ASSERT_TRUE(method->GetCode() != NULL);
}
void SetupForTest(bool direct, const char* method_name, const char* method_sig,
void* native_fnptr) {
CompileForTest(direct, method_name, method_sig);
if (!runtime_->IsStarted()) {
runtime_->Start();
}
// JNI operations after runtime start
env_ = Thread::Current()->GetJniEnv();
jklass_ = env_->FindClass("MyClass");
ASSERT_TRUE(jklass_ != NULL);
if (direct) {
jmethod_ = env_->GetStaticMethodID(jklass_, method_name, method_sig);
} else {
jmethod_ = env_->GetMethodID(jklass_, method_name, method_sig);
}
ASSERT_TRUE(jmethod_ != NULL);
if (native_fnptr != NULL) {
JNINativeMethod methods[] = {{method_name, method_sig, native_fnptr}};
ASSERT_EQ(JNI_OK, env_->RegisterNatives(jklass_, methods, 1));
} else {
env_->UnregisterNatives(jklass_);
}
jmethodID constructor = env_->GetMethodID(jklass_, "<init>", "()V");
jobj_ = env_->NewObject(jklass_, constructor);
ASSERT_TRUE(jobj_ != NULL);
}
public:
static jclass jklass_;
static jobject jobj_;
protected:
const ClassLoader* class_loader_;
JNIEnv* env_;
jmethodID jmethod_;
};
jclass JniCompilerTest::jklass_;
jobject JniCompilerTest::jobj_;
int gJava_MyClass_foo_calls = 0;
void Java_MyClass_foo(JNIEnv* env, jobject thisObj) {
EXPECT_EQ(1u, Thread::Current()->NumSirtReferences());
EXPECT_EQ(Thread::kNative, Thread::Current()->GetState());
EXPECT_EQ(Thread::Current()->GetJniEnv(), env);
EXPECT_TRUE(thisObj != NULL);
EXPECT_TRUE(env->IsInstanceOf(thisObj, JniCompilerTest::jklass_));
gJava_MyClass_foo_calls++;
}
TEST_F(JniCompilerTest, CompileAndRunNoArgMethod) {
SetupForTest(false, "foo", "()V", reinterpret_cast<void*>(&Java_MyClass_foo));
EXPECT_EQ(0, gJava_MyClass_foo_calls);
env_->CallNonvirtualVoidMethod(jobj_, jklass_, jmethod_);
EXPECT_EQ(1, gJava_MyClass_foo_calls);
env_->CallNonvirtualVoidMethod(jobj_, jklass_, jmethod_);
EXPECT_EQ(2, gJava_MyClass_foo_calls);
}
TEST_F(JniCompilerTest, CompileAndRunIntMethodThroughStub) {
SetupForTest(false,
"bar",
"(I)I",
NULL /* dlsym will find &Java_MyClass_bar later */);
std::string path("libarttest.so");
std::string reason;
ASSERT_TRUE(Runtime::Current()->GetJavaVM()->LoadNativeLibrary(
path, const_cast<ClassLoader*>(class_loader_), reason))
<< path << ": " << reason;
jint result = env_->CallNonvirtualIntMethod(jobj_, jklass_, jmethod_, 24);
EXPECT_EQ(25, result);
}
int gJava_MyClass_fooI_calls = 0;
jint Java_MyClass_fooI(JNIEnv* env, jobject thisObj, jint x) {
EXPECT_EQ(1u, Thread::Current()->NumSirtReferences());
EXPECT_EQ(Thread::kNative, Thread::Current()->GetState());
EXPECT_EQ(Thread::Current()->GetJniEnv(), env);
EXPECT_TRUE(thisObj != NULL);
EXPECT_TRUE(env->IsInstanceOf(thisObj, JniCompilerTest::jklass_));
gJava_MyClass_fooI_calls++;
return x;
}
TEST_F(JniCompilerTest, CompileAndRunIntMethod) {
SetupForTest(false, "fooI", "(I)I",
reinterpret_cast<void*>(&Java_MyClass_fooI));
EXPECT_EQ(0, gJava_MyClass_fooI_calls);
jint result = env_->CallNonvirtualIntMethod(jobj_, jklass_, jmethod_, 42);
EXPECT_EQ(42, result);
EXPECT_EQ(1, gJava_MyClass_fooI_calls);
result = env_->CallNonvirtualIntMethod(jobj_, jklass_, jmethod_, 0xCAFED00D);
EXPECT_EQ(static_cast<jint>(0xCAFED00D), result);
EXPECT_EQ(2, gJava_MyClass_fooI_calls);
}
int gJava_MyClass_fooII_calls = 0;
jint Java_MyClass_fooII(JNIEnv* env, jobject thisObj, jint x, jint y) {
EXPECT_EQ(1u, Thread::Current()->NumSirtReferences());
EXPECT_EQ(Thread::kNative, Thread::Current()->GetState());
EXPECT_EQ(Thread::Current()->GetJniEnv(), env);
EXPECT_TRUE(thisObj != NULL);
EXPECT_TRUE(env->IsInstanceOf(thisObj, JniCompilerTest::jklass_));
gJava_MyClass_fooII_calls++;
return x - y; // non-commutative operator
}
TEST_F(JniCompilerTest, CompileAndRunIntIntMethod) {
SetupForTest(false, "fooII", "(II)I",
reinterpret_cast<void*>(&Java_MyClass_fooII));
EXPECT_EQ(0, gJava_MyClass_fooII_calls);
jint result = env_->CallNonvirtualIntMethod(jobj_, jklass_, jmethod_, 99, 10);
EXPECT_EQ(99 - 10, result);
EXPECT_EQ(1, gJava_MyClass_fooII_calls);
result = env_->CallNonvirtualIntMethod(jobj_, jklass_, jmethod_, 0xCAFEBABE,
0xCAFED00D);
EXPECT_EQ(static_cast<jint>(0xCAFEBABE - 0xCAFED00D), result);
EXPECT_EQ(2, gJava_MyClass_fooII_calls);
}
int gJava_MyClass_fooJJ_calls = 0;
jlong Java_MyClass_fooJJ(JNIEnv* env, jobject thisObj, jlong x, jlong y) {
EXPECT_EQ(1u, Thread::Current()->NumSirtReferences());
EXPECT_EQ(Thread::kNative, Thread::Current()->GetState());
EXPECT_EQ(Thread::Current()->GetJniEnv(), env);
EXPECT_TRUE(thisObj != NULL);
EXPECT_TRUE(env->IsInstanceOf(thisObj, JniCompilerTest::jklass_));
gJava_MyClass_fooJJ_calls++;
return x - y; // non-commutative operator
}
TEST_F(JniCompilerTest, CompileAndRunLongLongMethod) {
SetupForTest(false, "fooJJ", "(JJ)J",
reinterpret_cast<void*>(&Java_MyClass_fooJJ));
EXPECT_EQ(0, gJava_MyClass_fooJJ_calls);
jlong a = 0x1234567890ABCDEFll;
jlong b = 0xFEDCBA0987654321ll;
jlong result = env_->CallNonvirtualLongMethod(jobj_, jklass_, jmethod_, a, b);
EXPECT_EQ(a - b, result);
EXPECT_EQ(1, gJava_MyClass_fooJJ_calls);
result = env_->CallNonvirtualLongMethod(jobj_, jklass_, jmethod_, b, a);
EXPECT_EQ(b - a, result);
EXPECT_EQ(2, gJava_MyClass_fooJJ_calls);
}
int gJava_MyClass_fooDD_calls = 0;
jdouble Java_MyClass_fooDD(JNIEnv* env, jobject thisObj, jdouble x, jdouble y) {
EXPECT_EQ(1u, Thread::Current()->NumSirtReferences());
EXPECT_EQ(Thread::kNative, Thread::Current()->GetState());
EXPECT_EQ(Thread::Current()->GetJniEnv(), env);
EXPECT_TRUE(thisObj != NULL);
EXPECT_TRUE(env->IsInstanceOf(thisObj, JniCompilerTest::jklass_));
gJava_MyClass_fooDD_calls++;
return x - y; // non-commutative operator
}
TEST_F(JniCompilerTest, CompileAndRunDoubleDoubleMethod) {
SetupForTest(false, "fooDD", "(DD)D",
reinterpret_cast<void*>(&Java_MyClass_fooDD));
EXPECT_EQ(0, gJava_MyClass_fooDD_calls);
jdouble result = env_->CallNonvirtualDoubleMethod(jobj_, jklass_, jmethod_,
99.0, 10.0);
EXPECT_EQ(99.0 - 10.0, result);
EXPECT_EQ(1, gJava_MyClass_fooDD_calls);
jdouble a = 3.14159265358979323846;
jdouble b = 0.69314718055994530942;
result = env_->CallNonvirtualDoubleMethod(jobj_, jklass_, jmethod_, a, b);
EXPECT_EQ(a - b, result);
EXPECT_EQ(2, gJava_MyClass_fooDD_calls);
}
int gJava_MyClass_fooIOO_calls = 0;
jobject Java_MyClass_fooIOO(JNIEnv* env, jobject thisObj, jint x, jobject y,
jobject z) {
EXPECT_EQ(3u, Thread::Current()->NumSirtReferences());
EXPECT_EQ(Thread::kNative, Thread::Current()->GetState());
EXPECT_EQ(Thread::Current()->GetJniEnv(), env);
EXPECT_TRUE(thisObj != NULL);
EXPECT_TRUE(env->IsInstanceOf(thisObj, JniCompilerTest::jklass_));
gJava_MyClass_fooIOO_calls++;
switch (x) {
case 1:
return y;
case 2:
return z;
default:
return thisObj;
}
}
TEST_F(JniCompilerTest, CompileAndRunIntObjectObjectMethod) {
SetupForTest(false, "fooIOO",
"(ILjava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;",
reinterpret_cast<void*>(&Java_MyClass_fooIOO));
EXPECT_EQ(0, gJava_MyClass_fooIOO_calls);
jobject result = env_->CallNonvirtualObjectMethod(jobj_, jklass_, jmethod_, 0, NULL, NULL);
EXPECT_TRUE(env_->IsSameObject(jobj_, result));
EXPECT_EQ(1, gJava_MyClass_fooIOO_calls);
result = env_->CallNonvirtualObjectMethod(jobj_, jklass_, jmethod_, 0, NULL, jklass_);
EXPECT_TRUE(env_->IsSameObject(jobj_, result));
EXPECT_EQ(2, gJava_MyClass_fooIOO_calls);
result = env_->CallNonvirtualObjectMethod(jobj_, jklass_, jmethod_, 1, NULL, jklass_);
EXPECT_TRUE(env_->IsSameObject(NULL, result));
EXPECT_EQ(3, gJava_MyClass_fooIOO_calls);
result = env_->CallNonvirtualObjectMethod(jobj_, jklass_, jmethod_, 2, NULL, jklass_);
EXPECT_TRUE(env_->IsSameObject(jklass_, result));
EXPECT_EQ(4, gJava_MyClass_fooIOO_calls);
result = env_->CallNonvirtualObjectMethod(jobj_, jklass_, jmethod_, 0, jklass_, NULL);
EXPECT_TRUE(env_->IsSameObject(jobj_, result));
EXPECT_EQ(5, gJava_MyClass_fooIOO_calls);
result = env_->CallNonvirtualObjectMethod(jobj_, jklass_, jmethod_, 1, jklass_, NULL);
EXPECT_TRUE(env_->IsSameObject(jklass_, result));
EXPECT_EQ(6, gJava_MyClass_fooIOO_calls);
result = env_->CallNonvirtualObjectMethod(jobj_, jklass_, jmethod_, 2, jklass_, NULL);
EXPECT_TRUE(env_->IsSameObject(NULL, result));
EXPECT_EQ(7, gJava_MyClass_fooIOO_calls);
}
int gJava_MyClass_fooSII_calls = 0;
jint Java_MyClass_fooSII(JNIEnv* env, jclass klass, jint x, jint y) {
EXPECT_EQ(1u, Thread::Current()->NumSirtReferences());
EXPECT_EQ(Thread::kNative, Thread::Current()->GetState());
EXPECT_EQ(Thread::Current()->GetJniEnv(), env);
EXPECT_TRUE(klass != NULL);
EXPECT_TRUE(env->IsInstanceOf(JniCompilerTest::jobj_, klass));
gJava_MyClass_fooSII_calls++;
return x + y;
}
TEST_F(JniCompilerTest, CompileAndRunStaticIntIntMethod) {
SetupForTest(true, "fooSII",
"(II)I",
reinterpret_cast<void*>(&Java_MyClass_fooSII));
EXPECT_EQ(0, gJava_MyClass_fooSII_calls);
jint result = env_->CallStaticIntMethod(jklass_, jmethod_, 20, 30);
EXPECT_EQ(50, result);
EXPECT_EQ(1, gJava_MyClass_fooSII_calls);
}
int gJava_MyClass_fooSDD_calls = 0;
jdouble Java_MyClass_fooSDD(JNIEnv* env, jclass klass, jdouble x, jdouble y) {
EXPECT_EQ(1u, Thread::Current()->NumSirtReferences());
EXPECT_EQ(Thread::kNative, Thread::Current()->GetState());
EXPECT_EQ(Thread::Current()->GetJniEnv(), env);
EXPECT_TRUE(klass != NULL);
EXPECT_TRUE(env->IsInstanceOf(JniCompilerTest::jobj_, klass));
gJava_MyClass_fooSDD_calls++;
return x - y; // non-commutative operator
}
TEST_F(JniCompilerTest, CompileAndRunStaticDoubleDoubleMethod) {
SetupForTest(true, "fooSDD", "(DD)D",
reinterpret_cast<void*>(&Java_MyClass_fooSDD));
EXPECT_EQ(0, gJava_MyClass_fooSDD_calls);
jdouble result = env_->CallStaticDoubleMethod(jklass_, jmethod_, 99.0, 10.0);
EXPECT_EQ(99.0 - 10.0, result);
EXPECT_EQ(1, gJava_MyClass_fooSDD_calls);
jdouble a = 3.14159265358979323846;
jdouble b = 0.69314718055994530942;
result = env_->CallStaticDoubleMethod(jklass_, jmethod_, a, b);
EXPECT_EQ(a - b, result);
EXPECT_EQ(2, gJava_MyClass_fooSDD_calls);
}
int gJava_MyClass_fooSIOO_calls = 0;
jobject Java_MyClass_fooSIOO(JNIEnv* env, jclass klass, jint x, jobject y,
jobject z) {
EXPECT_EQ(3u, Thread::Current()->NumSirtReferences());
EXPECT_EQ(Thread::kNative, Thread::Current()->GetState());
EXPECT_EQ(Thread::Current()->GetJniEnv(), env);
EXPECT_TRUE(klass != NULL);
EXPECT_TRUE(env->IsInstanceOf(JniCompilerTest::jobj_, klass));
gJava_MyClass_fooSIOO_calls++;
switch (x) {
case 1:
return y;
case 2:
return z;
default:
return klass;
}
}
TEST_F(JniCompilerTest, CompileAndRunStaticIntObjectObjectMethod) {
SetupForTest(true, "fooSIOO",
"(ILjava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;",
reinterpret_cast<void*>(&Java_MyClass_fooSIOO));
EXPECT_EQ(0, gJava_MyClass_fooSIOO_calls);
jobject result = env_->CallStaticObjectMethod(jklass_, jmethod_, 0, NULL, NULL);
EXPECT_TRUE(env_->IsSameObject(jklass_, result));
EXPECT_EQ(1, gJava_MyClass_fooSIOO_calls);
result = env_->CallStaticObjectMethod(jklass_, jmethod_, 0, NULL, jobj_);
EXPECT_TRUE(env_->IsSameObject(jklass_, result));
EXPECT_EQ(2, gJava_MyClass_fooSIOO_calls);
result = env_->CallStaticObjectMethod(jklass_, jmethod_, 1, NULL, jobj_);
EXPECT_TRUE(env_->IsSameObject(NULL, result));
EXPECT_EQ(3, gJava_MyClass_fooSIOO_calls);
result = env_->CallStaticObjectMethod(jklass_, jmethod_, 2, NULL, jobj_);
EXPECT_TRUE(env_->IsSameObject(jobj_, result));
EXPECT_EQ(4, gJava_MyClass_fooSIOO_calls);
result = env_->CallStaticObjectMethod(jklass_, jmethod_, 0, jobj_, NULL);
EXPECT_TRUE(env_->IsSameObject(jklass_, result));
EXPECT_EQ(5, gJava_MyClass_fooSIOO_calls);
result = env_->CallStaticObjectMethod(jklass_, jmethod_, 1, jobj_, NULL);
EXPECT_TRUE(env_->IsSameObject(jobj_, result));
EXPECT_EQ(6, gJava_MyClass_fooSIOO_calls);
result = env_->CallStaticObjectMethod(jklass_, jmethod_, 2, jobj_, NULL);
EXPECT_TRUE(env_->IsSameObject(NULL, result));
EXPECT_EQ(7, gJava_MyClass_fooSIOO_calls);
}
int gJava_MyClass_fooSSIOO_calls = 0;
jobject Java_MyClass_fooSSIOO(JNIEnv* env, jclass klass, jint x, jobject y,
jobject z) {
EXPECT_EQ(3u, Thread::Current()->NumSirtReferences());
EXPECT_EQ(Thread::kNative, Thread::Current()->GetState());
EXPECT_EQ(Thread::Current()->GetJniEnv(), env);
EXPECT_TRUE(klass != NULL);
EXPECT_TRUE(env->IsInstanceOf(JniCompilerTest::jobj_, klass));
gJava_MyClass_fooSSIOO_calls++;
switch (x) {
case 1:
return y;
case 2:
return z;
default:
return klass;
}
}
TEST_F(JniCompilerTest, CompileAndRunStaticSynchronizedIntObjectObjectMethod) {
SetupForTest(true, "fooSSIOO",
"(ILjava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;",
reinterpret_cast<void*>(&Java_MyClass_fooSSIOO));
EXPECT_EQ(0, gJava_MyClass_fooSSIOO_calls);
jobject result = env_->CallStaticObjectMethod(jklass_, jmethod_, 0, NULL, NULL);
EXPECT_TRUE(env_->IsSameObject(jklass_, result));
EXPECT_EQ(1, gJava_MyClass_fooSSIOO_calls);
result = env_->CallStaticObjectMethod(jklass_, jmethod_, 0, NULL, jobj_);
EXPECT_TRUE(env_->IsSameObject(jklass_, result));
EXPECT_EQ(2, gJava_MyClass_fooSSIOO_calls);
result = env_->CallStaticObjectMethod(jklass_, jmethod_, 1, NULL, jobj_);
EXPECT_TRUE(env_->IsSameObject(NULL, result));
EXPECT_EQ(3, gJava_MyClass_fooSSIOO_calls);
result = env_->CallStaticObjectMethod(jklass_, jmethod_, 2, NULL, jobj_);
EXPECT_TRUE(env_->IsSameObject(jobj_, result));
EXPECT_EQ(4, gJava_MyClass_fooSSIOO_calls);
result = env_->CallStaticObjectMethod(jklass_, jmethod_, 0, jobj_, NULL);
EXPECT_TRUE(env_->IsSameObject(jklass_, result));
EXPECT_EQ(5, gJava_MyClass_fooSSIOO_calls);
result = env_->CallStaticObjectMethod(jklass_, jmethod_, 1, jobj_, NULL);
EXPECT_TRUE(env_->IsSameObject(jobj_, result));
EXPECT_EQ(6, gJava_MyClass_fooSSIOO_calls);
result = env_->CallStaticObjectMethod(jklass_, jmethod_, 2, jobj_, NULL);
EXPECT_TRUE(env_->IsSameObject(NULL, result));
EXPECT_EQ(7, gJava_MyClass_fooSSIOO_calls);
}
void Java_MyClass_throwException(JNIEnv* env, jobject) {
jclass c = env->FindClass("java/lang/RuntimeException");
env->ThrowNew(c, "hello");
}
TEST_F(JniCompilerTest, ExceptionHandling) {
// all compilation needs to happen before SetupForTest calls Runtime::Start
CompileForTest(false, "foo", "()V");
CompileForTest(false, "throwException", "()V");
CompileForTest(false, "foo", "()V");
gJava_MyClass_foo_calls = 0;
// Check a single call of a JNI method is ok
SetupForTest(false, "foo", "()V", reinterpret_cast<void*>(&Java_MyClass_foo));
env_->CallNonvirtualVoidMethod(jobj_, jklass_, jmethod_);
EXPECT_EQ(1, gJava_MyClass_foo_calls);
EXPECT_FALSE(Thread::Current()->IsExceptionPending());
// Get class for exception we expect to be thrown
Class* jlre = class_linker_->FindClass("Ljava/lang/RuntimeException;", class_loader_);
SetupForTest(false, "throwException", "()V", reinterpret_cast<void*>(&Java_MyClass_throwException));
// Call Java_MyClass_throwException (JNI method that throws exception)
env_->CallNonvirtualVoidMethod(jobj_, jklass_, jmethod_);
EXPECT_EQ(1, gJava_MyClass_foo_calls);
EXPECT_TRUE(Thread::Current()->IsExceptionPending());
EXPECT_TRUE(Thread::Current()->GetException()->InstanceOf(jlre));
Thread::Current()->ClearException();
// Check a single call of a JNI method is ok
SetupForTest(false, "foo", "()V", reinterpret_cast<void*>(&Java_MyClass_foo));
env_->CallNonvirtualVoidMethod(jobj_, jklass_, jmethod_);
EXPECT_EQ(2, gJava_MyClass_foo_calls);
}
jint Java_MyClass_nativeUpCall(JNIEnv* env, jobject thisObj, jint i) {
if (i <= 0) {
// We want to check raw Object*/Array* below
ScopedJniThreadState ts(env);
// Build stack trace
jobject internal = Thread::Current()->CreateInternalStackTrace(env);
jobjectArray ste_array = Thread::InternalStackTraceToStackTraceElementArray(env, internal);
ObjectArray<StackTraceElement>* trace_array =
Decode<ObjectArray<StackTraceElement>*>(env, ste_array);
EXPECT_TRUE(trace_array != NULL);
EXPECT_EQ(11, trace_array->GetLength());
// Check stack trace entries have expected values
for (int32_t i = 0; i < trace_array->GetLength(); ++i) {
EXPECT_EQ(-2, trace_array->Get(i)->GetLineNumber());
StackTraceElement* ste = trace_array->Get(i);
EXPECT_STREQ("MyClassNatives.java", ste->GetFileName()->ToModifiedUtf8().c_str());
EXPECT_STREQ("MyClass", ste->GetDeclaringClass()->ToModifiedUtf8().c_str());
EXPECT_STREQ("fooI", ste->GetMethodName()->ToModifiedUtf8().c_str());
}
// end recursion
return 0;
} else {
jclass jklass = env->FindClass("MyClass");
EXPECT_TRUE(jklass != NULL);
jmethodID jmethod = env->GetMethodID(jklass, "fooI", "(I)I");
EXPECT_TRUE(jmethod != NULL);
// Recurse with i - 1
jint result = env->CallNonvirtualIntMethod(thisObj, jklass, jmethod, i - 1);
// Return sum of all depths
return i + result;
}
}
TEST_F(JniCompilerTest, NativeStackTraceElement) {
SetupForTest(false, "fooI", "(I)I", reinterpret_cast<void*>(&Java_MyClass_nativeUpCall));
jint result = env_->CallNonvirtualIntMethod(jobj_, jklass_, jmethod_, 10);
EXPECT_EQ(10+9+8+7+6+5+4+3+2+1, result);
}
jobject Java_MyClass_fooO(JNIEnv* env, jobject thisObj, jobject x) {
return env->NewGlobalRef(x);
}
TEST_F(JniCompilerTest, ReturnGlobalRef) {
SetupForTest(false, "fooO", "(Ljava/lang/Object;)Ljava/lang/Object;",
reinterpret_cast<void*>(&Java_MyClass_fooO));
jobject result = env_->CallNonvirtualObjectMethod(jobj_, jklass_, jmethod_, jobj_);
EXPECT_EQ(JNILocalRefType, env_->GetObjectRefType(result));
EXPECT_TRUE(env_->IsSameObject(result, jobj_));
}
jint local_ref_test(JNIEnv* env, jobject thisObj, jint x) {
// Add 10 local references
for (int i = 0; i < 10; i++) {
AddLocalReference<jobject>(env, Decode<Object*>(env, thisObj));
}
return x+1;
}
TEST_F(JniCompilerTest, LocalReferenceTableClearingTest) {
SetupForTest(false, "fooI", "(I)I", reinterpret_cast<void*>(&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);
}
}
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);
}
TEST_F(JniCompilerTest, JavaLangSystemArrayCopy) {
SetupForTest(true, "arraycopy", "(Ljava/lang/Object;ILjava/lang/Object;II)V",
reinterpret_cast<void*>(&my_arraycopy));
env_->CallStaticVoidMethod(jklass_, jmethod_, jobj_, 1234, jklass_, 5678, 9876);
}
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(0x12345678ABCDEF88ll, offset);
EXPECT_EQ(static_cast<jint>(0xCAFEF00D), expected);
EXPECT_EQ(static_cast<jint>(0xEBADF00D), newval);
return JNI_TRUE;
}
TEST_F(JniCompilerTest, CompareAndSwapInt) {
SetupForTest(false, "compareAndSwapInt", "(Ljava/lang/Object;JII)Z",
reinterpret_cast<void*>(&my_casi));
jboolean result = env_->CallBooleanMethod(jobj_, jmethod_, jobj_, 0x12345678ABCDEF88ll, 0xCAFEF00D, 0xEBADF00D);
EXPECT_EQ(result, JNI_TRUE);
}
} // namespace art