845 lines
30 KiB
C++
845 lines
30 KiB
C++
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <pthread.h>
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#include <cstdio>
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#include <iostream>
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#include <vector>
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#include <android-base/logging.h>
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#include "art_method-inl.h"
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#include "base/runtime_debug.h"
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#include "jni.h"
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namespace art {
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static JavaVM* jvm = nullptr;
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static jint Java_Main_intFastNativeMethod(JNIEnv*, jclass, jint a, jint b, jint c);
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static jint Java_Main_intCriticalNativeMethod(jint a, jint b, jint c);
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static JNINativeMethod sMainMethods[] = {
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{"intFastNativeMethod", "(III)I", reinterpret_cast<void*>(Java_Main_intFastNativeMethod) },
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{"intCriticalNativeMethod", "(III)I", reinterpret_cast<void*>(Java_Main_intCriticalNativeMethod) },
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};
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extern "C" JNIEXPORT jint JNI_OnLoad(JavaVM *vm, void*) {
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CHECK(vm != nullptr);
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CHECK(jvm == nullptr);
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jvm = vm;
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std::cout << "JNI_OnLoad called" << std::endl;
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return JNI_VERSION_1_6;
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}
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extern "C" JNIEXPORT void JNI_OnUnload(JavaVM*, void*) {
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// std::cout since LOG(INFO) adds extra stuff like pid.
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std::cout << "JNI_OnUnload called" << std::endl;
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// Clear jvm for CHECK in test 004-JniTest.
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jvm = nullptr;
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}
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static void* AttachHelper(void* arg) {
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CHECK(jvm != nullptr);
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JNIEnv* env = nullptr;
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JavaVMAttachArgs args = { JNI_VERSION_1_6, __FUNCTION__, nullptr };
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int attach_result = jvm->AttachCurrentThread(&env, &args);
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CHECK_EQ(attach_result, 0);
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using Fn = void(*)(JNIEnv*);
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Fn fn = reinterpret_cast<Fn>(arg);
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fn(env);
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int detach_result = jvm->DetachCurrentThread();
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CHECK_EQ(detach_result, 0);
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return nullptr;
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}
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static void PthreadHelper(void (*fn)(JNIEnv*)) {
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pthread_t pthread;
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int pthread_create_result = pthread_create(&pthread, nullptr, AttachHelper,
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reinterpret_cast<void*>(fn));
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CHECK_EQ(pthread_create_result, 0);
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int pthread_join_result = pthread_join(pthread, nullptr);
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CHECK_EQ(pthread_join_result, 0);
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}
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static void testFindClassOnAttachedNativeThread(JNIEnv* env) {
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jclass clazz = env->FindClass("Main");
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CHECK(clazz != nullptr);
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CHECK(!env->ExceptionCheck());
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jobjectArray array = env->NewObjectArray(0, clazz, nullptr);
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CHECK(array != nullptr);
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CHECK(!env->ExceptionCheck());
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}
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extern "C" JNIEXPORT void JNICALL Java_Main_testUTFRegion(JNIEnv* env, jclass, jstring null_str) {
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jstring foo_str = env->NewStringUTF("FOOBAR");
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jstring emoji_str = env->NewStringUTF("SKI ⛷ SKI");
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char buf[1024];
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memset(buf, 'Y', sizeof(buf));
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buf[1023] = '\0';
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env->GetStringUTFRegion(foo_str, 3, 1, buf);
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buf[1023] = '\0';
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CHECK_EQ(strcmp("B", buf), 0) << buf;
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// Null char on 0 len region
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env->GetStringUTFRegion(foo_str, 3, 0, buf);
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buf[1023] = '\0';
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CHECK_EQ(strcmp("", buf), 0) << buf;
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// No SEGV
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env->GetStringUTFRegion(foo_str, 3, 0, nullptr);
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env->GetStringUTFRegion(null_str, 1, 1, buf);
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buf[1023] = '\0';
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std::array<uint8_t, 3> nullbuf{ 0xc0, 0x80, 0x00 };
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CHECK_EQ(memcmp(nullbuf.data(), buf, 3), 0);
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env->GetStringUTFRegion(emoji_str, 1, 6, buf);
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buf[1023] = '\0';
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CHECK_EQ(strcmp("KI ⛷ S", buf), 0);
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}
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extern "C" JNIEXPORT jint JNICALL Java_Main_getFieldSubclass(JNIEnv* env,
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jclass,
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jobject f_obj,
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jclass sub) {
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jfieldID f = env->FromReflectedField(f_obj);
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return env->GetStaticIntField(sub, f);
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}
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// http://b/10994325
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extern "C" JNIEXPORT void JNICALL Java_Main_testFindClassOnAttachedNativeThread(JNIEnv*, jclass) {
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PthreadHelper(&testFindClassOnAttachedNativeThread);
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}
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static void testFindFieldOnAttachedNativeThread(JNIEnv* env) {
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jclass clazz = env->FindClass("Main");
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CHECK(clazz != nullptr);
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CHECK(!env->ExceptionCheck());
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jfieldID field = env->GetStaticFieldID(clazz, "testFindFieldOnAttachedNativeThreadField", "Z");
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CHECK(field != nullptr);
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CHECK(!env->ExceptionCheck());
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env->SetStaticBooleanField(clazz, field, JNI_TRUE);
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}
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extern "C" JNIEXPORT void JNICALL Java_Main_testFindFieldOnAttachedNativeThreadNative(JNIEnv*,
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jclass) {
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PthreadHelper(&testFindFieldOnAttachedNativeThread);
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}
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static void testReflectFieldGetFromAttachedNativeThread(JNIEnv* env) {
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jclass clazz = env->FindClass("Main");
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CHECK(clazz != nullptr);
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CHECK(!env->ExceptionCheck());
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jclass class_clazz = env->FindClass("java/lang/Class");
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CHECK(class_clazz != nullptr);
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CHECK(!env->ExceptionCheck());
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jmethodID getFieldMetodId = env->GetMethodID(class_clazz, "getField",
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"(Ljava/lang/String;)Ljava/lang/reflect/Field;");
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CHECK(getFieldMetodId != nullptr);
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CHECK(!env->ExceptionCheck());
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jstring field_name = env->NewStringUTF("testReflectFieldGetFromAttachedNativeThreadField");
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CHECK(field_name != nullptr);
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CHECK(!env->ExceptionCheck());
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jobject field = env->CallObjectMethod(clazz, getFieldMetodId, field_name);
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CHECK(field != nullptr);
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CHECK(!env->ExceptionCheck());
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jclass field_clazz = env->FindClass("java/lang/reflect/Field");
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CHECK(field_clazz != nullptr);
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CHECK(!env->ExceptionCheck());
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jmethodID getBooleanMetodId = env->GetMethodID(field_clazz, "getBoolean",
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"(Ljava/lang/Object;)Z");
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CHECK(getBooleanMetodId != nullptr);
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CHECK(!env->ExceptionCheck());
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jboolean value = env->CallBooleanMethod(field, getBooleanMetodId, /* ignored */ clazz);
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CHECK(value == false);
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CHECK(!env->ExceptionCheck());
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}
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// http://b/15539150
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extern "C" JNIEXPORT void JNICALL Java_Main_testReflectFieldGetFromAttachedNativeThreadNative(
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JNIEnv*, jclass) {
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PthreadHelper(&testReflectFieldGetFromAttachedNativeThread);
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}
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// http://b/11243757
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extern "C" JNIEXPORT void JNICALL Java_Main_testCallStaticVoidMethodOnSubClassNative(JNIEnv* env,
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jclass) {
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jclass super_class = env->FindClass("Main$testCallStaticVoidMethodOnSubClass_SuperClass");
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CHECK(super_class != nullptr);
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jmethodID execute = env->GetStaticMethodID(super_class, "execute", "()V");
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CHECK(execute != nullptr);
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jclass sub_class = env->FindClass("Main$testCallStaticVoidMethodOnSubClass_SubClass");
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CHECK(sub_class != nullptr);
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env->CallStaticVoidMethod(sub_class, execute);
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}
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extern "C" JNIEXPORT jobject JNICALL Java_Main_testGetMirandaMethodNative(JNIEnv* env, jclass) {
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jclass abstract_class = env->FindClass("Main$testGetMirandaMethod_MirandaAbstract");
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CHECK(abstract_class != nullptr);
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jmethodID miranda_method = env->GetMethodID(abstract_class, "inInterface", "()Z");
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CHECK(miranda_method != nullptr);
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return env->ToReflectedMethod(abstract_class, miranda_method, JNI_FALSE);
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}
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// https://code.google.com/p/android/issues/detail?id=63055
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extern "C" void JNICALL Java_Main_testZeroLengthByteBuffers(JNIEnv* env, jclass) {
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std::vector<uint8_t> buffer(1);
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jobject byte_buffer = env->NewDirectByteBuffer(&buffer[0], 0);
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CHECK(byte_buffer != nullptr);
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CHECK(!env->ExceptionCheck());
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CHECK_EQ(env->GetDirectBufferAddress(byte_buffer), &buffer[0]);
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CHECK_EQ(env->GetDirectBufferCapacity(byte_buffer), 0);
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}
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constexpr size_t kByteReturnSize = 7;
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jbyte byte_returns[kByteReturnSize] = { 0, 1, 2, 127, -1, -2, -128 };
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extern "C" jbyte JNICALL Java_Main_byteMethod(JNIEnv*, jclass, jbyte b1, jbyte b2,
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jbyte b3, jbyte b4, jbyte b5, jbyte b6,
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jbyte b7, jbyte b8, jbyte b9, jbyte b10) {
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// We use b1 to drive the output.
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CHECK_EQ(b2, 2);
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CHECK_EQ(b3, -3);
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CHECK_EQ(b4, 4);
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CHECK_EQ(b5, -5);
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CHECK_EQ(b6, 6);
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CHECK_EQ(b7, -7);
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CHECK_EQ(b8, 8);
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CHECK_EQ(b9, -9);
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CHECK_EQ(b10, 10);
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CHECK_LE(0, b1);
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CHECK_LT(b1, static_cast<jbyte>(kByteReturnSize));
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return byte_returns[b1];
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}
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constexpr size_t kShortReturnSize = 9;
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jshort short_returns[kShortReturnSize] = { 0, 1, 2, 127, 32767, -1, -2, -128,
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static_cast<jshort>(0x8000) };
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// The weird static_cast is because short int is only guaranteed down to -32767, not Java's -32768.
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extern "C" jshort JNICALL Java_Main_shortMethod(JNIEnv*, jclass, jshort s1, jshort s2,
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jshort s3, jshort s4, jshort s5, jshort s6,
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jshort s7, jshort s8, jshort s9, jshort s10) {
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// We use s1 to drive the output.
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CHECK_EQ(s2, 2);
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CHECK_EQ(s3, -3);
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CHECK_EQ(s4, 4);
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CHECK_EQ(s5, -5);
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CHECK_EQ(s6, 6);
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CHECK_EQ(s7, -7);
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CHECK_EQ(s8, 8);
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CHECK_EQ(s9, -9);
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CHECK_EQ(s10, 10);
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CHECK_LE(0, s1);
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CHECK_LT(s1, static_cast<jshort>(kShortReturnSize));
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return short_returns[s1];
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}
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extern "C" jboolean JNICALL Java_Main_booleanMethod(JNIEnv*, jclass, jboolean b1,
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jboolean b2, jboolean b3, jboolean b4,
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jboolean b5, jboolean b6, jboolean b7,
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jboolean b8, jboolean b9, jboolean b10) {
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// We use b1 to drive the output.
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CHECK_EQ(b2, JNI_TRUE);
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CHECK_EQ(b3, JNI_FALSE);
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CHECK_EQ(b4, JNI_TRUE);
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CHECK_EQ(b5, JNI_FALSE);
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CHECK_EQ(b6, JNI_TRUE);
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CHECK_EQ(b7, JNI_FALSE);
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CHECK_EQ(b8, JNI_TRUE);
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CHECK_EQ(b9, JNI_FALSE);
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CHECK_EQ(b10, JNI_TRUE);
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CHECK(b1 == JNI_TRUE || b1 == JNI_FALSE);
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return b1;
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}
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constexpr size_t kCharReturnSize = 8;
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jchar char_returns[kCharReturnSize] = { 0, 1, 2, 127, 255, 256, 15000, 34000 };
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extern "C" jchar JNICALL Java_Main_charMethod(JNIEnv*, jclass, jchar c1, jchar c2,
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jchar c3, jchar c4, jchar c5, jchar c6, jchar c7,
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jchar c8, jchar c9, jchar c10) {
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// We use c1 to drive the output.
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CHECK_EQ(c2, 'a');
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CHECK_EQ(c3, 'b');
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CHECK_EQ(c4, 'c');
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CHECK_EQ(c5, '0');
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CHECK_EQ(c6, '1');
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CHECK_EQ(c7, '2');
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CHECK_EQ(c8, 1234);
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CHECK_EQ(c9, 2345);
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CHECK_EQ(c10, 3456);
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CHECK_LT(c1, static_cast<jchar>(kCharReturnSize));
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return char_returns[c1];
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}
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extern "C" JNIEXPORT void JNICALL Java_Main_removeLocalObject(JNIEnv* env, jclass, jclass o) {
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// Delete the arg to see if it crashes.
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env->DeleteLocalRef(o);
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}
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extern "C" JNIEXPORT jboolean JNICALL Java_Main_nativeIsAssignableFrom(JNIEnv* env, jclass,
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jclass from, jclass to) {
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return env->IsAssignableFrom(from, to);
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}
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static void testShallowGetCallingClassLoader(JNIEnv* env) {
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// Test direct call.
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{
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jclass vmstack_clazz = env->FindClass("dalvik/system/VMStack");
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CHECK(vmstack_clazz != nullptr);
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CHECK(!env->ExceptionCheck());
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jmethodID getCallingClassLoaderMethodId = env->GetStaticMethodID(vmstack_clazz,
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"getCallingClassLoader",
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"()Ljava/lang/ClassLoader;");
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CHECK(getCallingClassLoaderMethodId != nullptr);
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CHECK(!env->ExceptionCheck());
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jobject class_loader = env->CallStaticObjectMethod(vmstack_clazz,
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getCallingClassLoaderMethodId);
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CHECK(class_loader == nullptr);
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CHECK(!env->ExceptionCheck());
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}
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// Test one-level call. Use System.loadLibrary().
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{
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jclass system_clazz = env->FindClass("java/lang/System");
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CHECK(system_clazz != nullptr);
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CHECK(!env->ExceptionCheck());
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jmethodID loadLibraryMethodId = env->GetStaticMethodID(system_clazz, "loadLibrary",
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"(Ljava/lang/String;)V");
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CHECK(loadLibraryMethodId != nullptr);
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CHECK(!env->ExceptionCheck());
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// Create a string object.
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jobject library_string = env->NewStringUTF("non_existing_library");
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CHECK(library_string != nullptr);
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CHECK(!env->ExceptionCheck());
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env->CallStaticVoidMethod(system_clazz, loadLibraryMethodId, library_string);
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CHECK(env->ExceptionCheck());
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// We expect UnsatisfiedLinkError.
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jthrowable thrown = env->ExceptionOccurred();
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env->ExceptionClear();
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jclass unsatisfied_link_error_clazz = env->FindClass("java/lang/UnsatisfiedLinkError");
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jclass thrown_class = env->GetObjectClass(thrown);
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CHECK(env->IsSameObject(unsatisfied_link_error_clazz, thrown_class));
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}
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}
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// http://b/16867274
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extern "C" JNIEXPORT void JNICALL Java_Main_nativeTestShallowGetCallingClassLoader(JNIEnv*,
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jclass) {
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PthreadHelper(&testShallowGetCallingClassLoader);
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}
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static void testShallowGetStackClass2(JNIEnv* env) {
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jclass vmstack_clazz = env->FindClass("dalvik/system/VMStack");
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CHECK(vmstack_clazz != nullptr);
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CHECK(!env->ExceptionCheck());
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// Test direct call.
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{
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jmethodID getStackClass2MethodId = env->GetStaticMethodID(vmstack_clazz, "getStackClass2",
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"()Ljava/lang/Class;");
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CHECK(getStackClass2MethodId != nullptr);
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CHECK(!env->ExceptionCheck());
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jobject caller_class = env->CallStaticObjectMethod(vmstack_clazz, getStackClass2MethodId);
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CHECK(caller_class == nullptr);
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CHECK(!env->ExceptionCheck());
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}
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// Test one-level call. Use VMStack.getStackClass1().
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{
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jmethodID getStackClass1MethodId = env->GetStaticMethodID(vmstack_clazz, "getStackClass1",
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"()Ljava/lang/Class;");
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CHECK(getStackClass1MethodId != nullptr);
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CHECK(!env->ExceptionCheck());
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jobject caller_class = env->CallStaticObjectMethod(vmstack_clazz, getStackClass1MethodId);
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CHECK(caller_class == nullptr);
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CHECK(!env->ExceptionCheck());
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}
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// For better testing we would need to compile against libcore and have a two-deep stack
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// ourselves.
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}
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extern "C" JNIEXPORT void JNICALL Java_Main_nativeTestShallowGetStackClass2(JNIEnv*, jclass) {
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PthreadHelper(&testShallowGetStackClass2);
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}
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class JniCallNonvirtualVoidMethodTest {
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public:
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explicit JniCallNonvirtualVoidMethodTest(JNIEnv* env)
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: env_(env),
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check_jni_ri_(true),
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check_jni_android_(true),
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super_(GetClass("JniCallNonvirtualTest")),
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sub_(GetClass("JniCallNonvirtualTestSubclass")),
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super_constructor_(GetMethodID(super_, true, "<init>")),
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super_static_(GetMethodID(super_, false, "staticMethod")),
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super_nonstatic_(GetMethodID(super_, true, "nonstaticMethod")),
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sub_constructor_(GetMethodID(sub_, true, "<init>")),
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sub_static_(GetMethodID(sub_, false, "staticMethod")),
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sub_nonstatic_(GetMethodID(sub_, true, "nonstaticMethod")),
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super_field_(GetFieldID(super_, "nonstaticMethodSuperCalled")),
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sub_field_(GetFieldID(super_, "nonstaticMethodSubCalled")) {}
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void Test() {
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TestStaticCallNonvirtualMethod();
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TestNewObject();
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TestnonstaticCallNonvirtualMethod();
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}
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JNIEnv* const env_;
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bool const check_jni_ri_;
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bool const check_jni_android_;
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jclass const super_;
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jclass const sub_;
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jmethodID const super_constructor_;
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jmethodID const super_static_;
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jmethodID const super_nonstatic_;
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jmethodID const sub_constructor_;
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jmethodID const sub_static_;
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jmethodID const sub_nonstatic_;
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jfieldID const super_field_;
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jfieldID const sub_field_;
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private:
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jclass GetClass(const char* class_name) {
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jclass c = env_->FindClass(class_name);
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if (env_->ExceptionCheck()) {
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env_->ExceptionDescribe();
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env_->FatalError(__FUNCTION__);
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}
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CHECK(!env_->ExceptionCheck());
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CHECK(c != nullptr);
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return c;
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}
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|
|
jmethodID GetMethodID(jclass c, bool nonstatic, const char* method_name) {
|
|
jmethodID m = ((nonstatic) ?
|
|
env_->GetMethodID(c, method_name, "()V") :
|
|
env_->GetStaticMethodID(c, method_name, "()V"));
|
|
if (env_->ExceptionCheck()) {
|
|
env_->ExceptionDescribe();
|
|
env_->FatalError(__FUNCTION__);
|
|
}
|
|
CHECK(m != nullptr);
|
|
return m;
|
|
}
|
|
|
|
jobject CallConstructor(jclass c, jmethodID m) {
|
|
jobject o = env_->NewObject(c, m);
|
|
if (env_->ExceptionCheck()) {
|
|
env_->ExceptionDescribe();
|
|
env_->FatalError(__FUNCTION__);
|
|
}
|
|
CHECK(o != nullptr);
|
|
return o;
|
|
}
|
|
|
|
void CallMethod(jobject o, jclass c, jmethodID m, bool nonstatic, const char* test_case) {
|
|
printf("RUNNING %s\n", test_case);
|
|
env_->CallNonvirtualVoidMethod(o, c, m);
|
|
bool exception_check = env_->ExceptionCheck();
|
|
if (c == nullptr || !nonstatic) {
|
|
if (!exception_check) {
|
|
printf("FAILED %s due to missing exception\n", test_case);
|
|
env_->FatalError("Expected NullPointerException with null jclass");
|
|
}
|
|
env_->ExceptionClear();
|
|
} else if (exception_check) {
|
|
printf("FAILED %s due to pending exception\n", test_case);
|
|
env_->ExceptionDescribe();
|
|
env_->FatalError(test_case);
|
|
}
|
|
printf("PASSED %s\n", test_case);
|
|
}
|
|
|
|
jfieldID GetFieldID(jclass c, const char* field_name) {
|
|
jfieldID m = env_->GetFieldID(c, field_name, "Z");
|
|
if (env_->ExceptionCheck()) {
|
|
env_->ExceptionDescribe();
|
|
env_->FatalError(__FUNCTION__);
|
|
}
|
|
CHECK(m != nullptr);
|
|
return m;
|
|
}
|
|
|
|
jboolean GetBooleanField(jobject o, jfieldID f) {
|
|
jboolean b = env_->GetBooleanField(o, f);
|
|
if (env_->ExceptionCheck()) {
|
|
env_->ExceptionDescribe();
|
|
env_->FatalError(__FUNCTION__);
|
|
}
|
|
return b;
|
|
}
|
|
|
|
void TestStaticCallNonvirtualMethod() {
|
|
if (!check_jni_ri_&& !check_jni_android_) {
|
|
CallMethod(nullptr, nullptr, super_static_, false, "null object, null class, super static");
|
|
}
|
|
if (!check_jni_android_) {
|
|
CallMethod(nullptr, super_, super_static_, false, "null object, super class, super static");
|
|
}
|
|
if (!check_jni_android_) {
|
|
CallMethod(nullptr, sub_, super_static_, false, "null object, sub class, super static");
|
|
}
|
|
|
|
if (!check_jni_ri_ && !check_jni_android_) {
|
|
CallMethod(nullptr, nullptr, sub_static_, false, "null object, null class, sub static");
|
|
}
|
|
if (!check_jni_android_) {
|
|
CallMethod(nullptr, sub_, sub_static_, false, "null object, super class, sub static");
|
|
}
|
|
if (!check_jni_android_) {
|
|
CallMethod(nullptr, super_, sub_static_, false, "null object, super class, sub static");
|
|
}
|
|
}
|
|
|
|
void TestNewObject() {
|
|
jobject super_super = CallConstructor(super_, super_constructor_);
|
|
jobject super_sub = CallConstructor(super_, sub_constructor_);
|
|
jobject sub_super = CallConstructor(sub_, super_constructor_);
|
|
jobject sub_sub = CallConstructor(sub_, sub_constructor_);
|
|
|
|
CHECK(env_->IsInstanceOf(super_super, super_));
|
|
CHECK(!env_->IsInstanceOf(super_super, sub_));
|
|
|
|
// Note that even though we called (and ran) the subclass
|
|
// constructor, we are not the subclass.
|
|
CHECK(env_->IsInstanceOf(super_sub, super_));
|
|
CHECK(!env_->IsInstanceOf(super_sub, sub_));
|
|
|
|
// Note that even though we called the superclass constructor, we
|
|
// are still the subclass.
|
|
CHECK(env_->IsInstanceOf(sub_super, super_));
|
|
CHECK(env_->IsInstanceOf(sub_super, sub_));
|
|
|
|
CHECK(env_->IsInstanceOf(sub_sub, super_));
|
|
CHECK(env_->IsInstanceOf(sub_sub, sub_));
|
|
}
|
|
|
|
void TestnonstaticCallNonvirtualMethod(bool super_object, bool super_class, bool super_method, const char* test_case) {
|
|
if (check_jni_android_) {
|
|
if (super_object && !super_method) {
|
|
return; // We don't allow a call with sub class method on the super class instance.
|
|
}
|
|
if (super_class && !super_method) {
|
|
return; // We don't allow a call with the sub class method with the super class argument.
|
|
}
|
|
}
|
|
jobject o = ((super_object) ?
|
|
CallConstructor(super_, super_constructor_) :
|
|
CallConstructor(sub_, sub_constructor_));
|
|
jclass c = (super_class) ? super_ : sub_;
|
|
jmethodID m = (super_method) ? super_nonstatic_ : sub_nonstatic_;
|
|
CallMethod(o, c, m, true, test_case);
|
|
jboolean super_field = GetBooleanField(o, super_field_);
|
|
jboolean sub_field = GetBooleanField(o, sub_field_);
|
|
CHECK_EQ(super_field, super_method);
|
|
CHECK_NE(sub_field, super_method);
|
|
}
|
|
|
|
void TestnonstaticCallNonvirtualMethod() {
|
|
TestnonstaticCallNonvirtualMethod(true, true, true, "super object, super class, super nonstatic");
|
|
TestnonstaticCallNonvirtualMethod(true, false, true, "super object, sub class, super nonstatic");
|
|
TestnonstaticCallNonvirtualMethod(true, false, false, "super object, sub class, sub nonstatic");
|
|
TestnonstaticCallNonvirtualMethod(true, true, false, "super object, super class, sub nonstatic");
|
|
|
|
TestnonstaticCallNonvirtualMethod(false, true, true, "sub object, super class, super nonstatic");
|
|
TestnonstaticCallNonvirtualMethod(false, false, true, "sub object, sub class, super nonstatic");
|
|
TestnonstaticCallNonvirtualMethod(false, false, false, "sub object, sub class, sub nonstatic");
|
|
TestnonstaticCallNonvirtualMethod(false, true, false, "sub object, super class, sub nonstatic");
|
|
}
|
|
};
|
|
|
|
extern "C" void JNICALL Java_Main_testCallNonvirtual(JNIEnv* env, jclass) {
|
|
JniCallNonvirtualVoidMethodTest(env).Test();
|
|
}
|
|
|
|
extern "C" JNIEXPORT void JNICALL Java_Main_testNewStringObject(JNIEnv* env, jclass) {
|
|
jclass c = env->FindClass("java/lang/String");
|
|
CHECK(c != nullptr);
|
|
|
|
jmethodID mid1 = env->GetMethodID(c, "<init>", "()V");
|
|
CHECK(mid1 != nullptr);
|
|
CHECK(!env->ExceptionCheck());
|
|
jmethodID mid2 = env->GetMethodID(c, "<init>", "([B)V");
|
|
CHECK(mid2 != nullptr);
|
|
CHECK(!env->ExceptionCheck());
|
|
jmethodID mid3 = env->GetMethodID(c, "<init>", "([C)V");
|
|
CHECK(mid3 != nullptr);
|
|
CHECK(!env->ExceptionCheck());
|
|
jmethodID mid4 = env->GetMethodID(c, "<init>", "(Ljava/lang/String;)V");
|
|
CHECK(mid4 != nullptr);
|
|
CHECK(!env->ExceptionCheck());
|
|
|
|
const char* test_array = "Test";
|
|
int byte_array_length = strlen(test_array);
|
|
jbyteArray byte_array = env->NewByteArray(byte_array_length);
|
|
env->SetByteArrayRegion(byte_array, 0, byte_array_length, reinterpret_cast<const jbyte*>(test_array));
|
|
|
|
// Test NewObject
|
|
jstring s = reinterpret_cast<jstring>(env->NewObject(c, mid2, byte_array));
|
|
CHECK(s != nullptr);
|
|
CHECK_EQ(env->GetStringLength(s), byte_array_length);
|
|
CHECK_EQ(env->GetStringUTFLength(s), byte_array_length);
|
|
const char* chars = env->GetStringUTFChars(s, nullptr);
|
|
CHECK_EQ(strcmp(test_array, chars), 0);
|
|
env->ReleaseStringUTFChars(s, chars);
|
|
|
|
// Test AllocObject and Call(Nonvirtual)VoidMethod
|
|
jstring s1 = reinterpret_cast<jstring>(env->AllocObject(c));
|
|
CHECK(s1 != nullptr);
|
|
jstring s2 = reinterpret_cast<jstring>(env->AllocObject(c));
|
|
CHECK(s2 != nullptr);
|
|
jstring s3 = reinterpret_cast<jstring>(env->AllocObject(c));
|
|
CHECK(s3 != nullptr);
|
|
jstring s4 = reinterpret_cast<jstring>(env->AllocObject(c));
|
|
CHECK(s4 != nullptr);
|
|
|
|
jcharArray char_array = env->NewCharArray(5);
|
|
jstring string_arg = env->NewStringUTF("helloworld");
|
|
|
|
// With Var Args
|
|
env->CallVoidMethod(s1, mid1);
|
|
env->CallNonvirtualVoidMethod(s2, c, mid2, byte_array);
|
|
|
|
// With JValues
|
|
jvalue args3[1];
|
|
args3[0].l = char_array;
|
|
jvalue args4[1];
|
|
args4[0].l = string_arg;
|
|
env->CallVoidMethodA(s3, mid3, args3);
|
|
env->CallNonvirtualVoidMethodA(s4, c, mid4, args4);
|
|
|
|
// Test with global and weak global references
|
|
jstring s5 = reinterpret_cast<jstring>(env->AllocObject(c));
|
|
CHECK(s5 != nullptr);
|
|
s5 = reinterpret_cast<jstring>(env->NewGlobalRef(s5));
|
|
jstring s6 = reinterpret_cast<jstring>(env->AllocObject(c));
|
|
CHECK(s6 != nullptr);
|
|
s6 = reinterpret_cast<jstring>(env->NewWeakGlobalRef(s6));
|
|
|
|
env->CallVoidMethod(s5, mid1);
|
|
env->CallNonvirtualVoidMethod(s6, c, mid2, byte_array);
|
|
CHECK_EQ(env->GetStringLength(s5), 0);
|
|
CHECK_EQ(env->GetStringLength(s6), byte_array_length);
|
|
const char* chars6 = env->GetStringUTFChars(s6, nullptr);
|
|
CHECK_EQ(strcmp(test_array, chars6), 0);
|
|
env->ReleaseStringUTFChars(s6, chars6);
|
|
}
|
|
|
|
extern "C" JNIEXPORT jlong JNICALL Java_Main_testGetMethodID(JNIEnv* env, jclass, jclass c) {
|
|
return reinterpret_cast<jlong>(env->GetMethodID(c, "a", "()V"));
|
|
}
|
|
|
|
extern "C" JNIEXPORT void JNICALL Java_Main_enterJniCriticalSection(JNIEnv* env, jclass,
|
|
jint arraySize,
|
|
jbyteArray array0,
|
|
jbyteArray array1) {
|
|
for (int i = 0; i < 50000; ++i) {
|
|
char* data0 = reinterpret_cast<char*>(env->GetPrimitiveArrayCritical(array0, nullptr));
|
|
char* data1 = reinterpret_cast<char*>(env->GetPrimitiveArrayCritical(array1, nullptr));
|
|
bool up = i % 2 == 0;
|
|
for (int j = 0; j < arraySize; ++j) {
|
|
if (up) {
|
|
data1[j] = data0[j] + 1;
|
|
} else {
|
|
data0[j] = data1[j] + 1;
|
|
}
|
|
}
|
|
env->ReleasePrimitiveArrayCritical(array1, data1, 0);
|
|
env->ReleasePrimitiveArrayCritical(array0, data0, 0);
|
|
}
|
|
}
|
|
|
|
class JniCallDefaultMethodsTest {
|
|
public:
|
|
explicit JniCallDefaultMethodsTest(JNIEnv* env)
|
|
: env_(env), concrete_class_(env_->FindClass("ConcreteClass")) {
|
|
CHECK(!env_->ExceptionCheck());
|
|
CHECK(concrete_class_ != nullptr);
|
|
}
|
|
|
|
void Test() {
|
|
TestCalls("ConcreteClass", { "JniCallNonOverridenDefaultMethod",
|
|
"JniCallOverridenDefaultMethod",
|
|
"JniCallOverridenDefaultMethodWithSuper",
|
|
"JniCallOverridenAbstractMethod",
|
|
"JniCallConflictDefaultMethod",
|
|
"JniCallSoftConflictMethod" });
|
|
TestCalls("DefaultInterface", { "JniCallNonOverridenDefaultMethod",
|
|
"JniCallOverridenDefaultMethod",
|
|
"JniCallOverridenAbstractMethod",
|
|
"JniCallConflictDefaultMethod",
|
|
"JniCallSoftConflictMethod" });
|
|
TestCalls("AbstractInterface", { "JniCallSoftConflictMethod" });
|
|
TestCalls("ConflictInterface", { "JniCallConflictDefaultMethod" });
|
|
}
|
|
|
|
private:
|
|
void TestCalls(const char* declaring_class, const std::vector<const char*>& methods) {
|
|
jmethodID new_method = env_->GetMethodID(concrete_class_, "<init>", "()V");
|
|
jobject obj = env_->NewObject(concrete_class_, new_method);
|
|
CHECK(!env_->ExceptionCheck());
|
|
CHECK(obj != nullptr);
|
|
jclass decl_class = env_->FindClass(declaring_class);
|
|
CHECK(!env_->ExceptionCheck());
|
|
CHECK(decl_class != nullptr);
|
|
for (const char* method : methods) {
|
|
jmethodID method_id = env_->GetMethodID(decl_class, method, "()V");
|
|
CHECK(!env_->ExceptionCheck());
|
|
printf("Calling method %s->%s on object of type ConcreteClass\n", declaring_class, method);
|
|
env_->CallVoidMethod(obj, method_id);
|
|
if (env_->ExceptionCheck()) {
|
|
jthrowable thrown = env_->ExceptionOccurred();
|
|
env_->ExceptionClear();
|
|
jmethodID to_string = env_->GetMethodID(
|
|
env_->FindClass("java/lang/Object"), "toString", "()Ljava/lang/String;");
|
|
jstring exception_string = (jstring) env_->CallObjectMethod(thrown, to_string);
|
|
CHECK(!env_->ExceptionCheck());
|
|
const char* exception_string_utf8 = env_->GetStringUTFChars(exception_string, nullptr);
|
|
CHECK(!env_->ExceptionCheck());
|
|
CHECK(exception_string_utf8 != nullptr);
|
|
printf("EXCEPTION OCCURED: %s\n", exception_string_utf8);
|
|
env_->ReleaseStringUTFChars(exception_string, exception_string_utf8);
|
|
}
|
|
}
|
|
}
|
|
|
|
JNIEnv* env_;
|
|
jclass concrete_class_;
|
|
};
|
|
|
|
extern "C" JNIEXPORT void JNICALL Java_Main_testCallDefaultMethods(JNIEnv* env) {
|
|
JniCallDefaultMethodsTest(env).Test();
|
|
}
|
|
|
|
static void InvokeSpecificMethod(JNIEnv* env, jobject obj, const char* method) {
|
|
jclass lambda_class = env->FindClass("LambdaInterface");
|
|
CHECK(!env->ExceptionCheck());
|
|
CHECK(lambda_class != nullptr);
|
|
jmethodID method_id = env->GetMethodID(lambda_class, method, "()V");
|
|
CHECK(!env->ExceptionCheck());
|
|
env->CallVoidMethod(obj, method_id);
|
|
CHECK(!env->ExceptionCheck());
|
|
}
|
|
|
|
extern "C" JNIEXPORT void JNICALL Java_Main_testInvokeLambdaDefaultMethod(
|
|
JNIEnv* e, jclass, jobject l) {
|
|
InvokeSpecificMethod(e, l, "sayHiTwice");
|
|
}
|
|
|
|
extern "C" JNIEXPORT void JNICALL Java_Main_testInvokeLambdaMethod(JNIEnv* e, jclass, jobject l) {
|
|
InvokeSpecificMethod(e, l, "sayHi");
|
|
}
|
|
|
|
// Register on-demand because many tests share this JNI library and
|
|
// we can't unconditionally register them.
|
|
extern "C" JNIEXPORT jboolean JNICALL Java_Main_registerNativesJniTest(JNIEnv* e, jclass kls) {
|
|
const size_t numMethods = sizeof(sMainMethods)/sizeof(JNINativeMethod);
|
|
|
|
if (e->RegisterNatives(kls, sMainMethods, numMethods) < 0) {
|
|
std::cerr << "RegisterNatives failed for 'Main'" << std::endl;
|
|
return JNI_FALSE;
|
|
}
|
|
|
|
return JNI_TRUE;
|
|
}
|
|
|
|
// Annotated with @FastNative in Java code. Doesn't need to be explicitly registered with "!".
|
|
// NOTE: Has to be registered explicitly to avoid mutator lock check failures.
|
|
static jint Java_Main_intFastNativeMethod(JNIEnv*, jclass, jint a, jint b, jint c) {
|
|
return a + b + c;
|
|
}
|
|
|
|
// Annotated with @CriticalNative in Java code. Doesn't need to be explicitly registered with "!".
|
|
// NOTE: Has to be registered explicitly to avoid mutator lock check failures.
|
|
static jint Java_Main_intCriticalNativeMethod(jint a, jint b, jint c) {
|
|
// Note that unlike a "Fast Native" method this excludes JNIEnv and the jclass parameters.
|
|
return a + b + c;
|
|
}
|
|
|
|
extern "C" JNIEXPORT jobject JNICALL Java_Main_lookupClinit(JNIEnv* env, jclass, jclass kls) {
|
|
jmethodID clinit_id = env->GetStaticMethodID(kls, "<clinit>", "()V");
|
|
|
|
if (clinit_id != nullptr) {
|
|
jobject obj = env->ToReflectedMethod(kls, clinit_id, /*isStatic*/ true);
|
|
CHECK(obj != nullptr);
|
|
return obj;
|
|
} else {
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
extern "C" JNIEXPORT jboolean JNICALL Java_Main_isSlowDebug(JNIEnv*, jclass) {
|
|
// Return whether slow-debug is on. Only relevant for debug builds.
|
|
if (kIsDebugBuild) {
|
|
// Register a fake flag and get the default value it should be initialized with.
|
|
static bool fake_flag = false;
|
|
fake_flag = RegisterRuntimeDebugFlag(&fake_flag);
|
|
|
|
return fake_flag ? JNI_TRUE : JNI_FALSE;
|
|
}
|
|
// To pass the Java-side test, just so "on" for release builds.
|
|
return JNI_TRUE;
|
|
}
|
|
|
|
} // namespace art
|
|
|