test/JniTest/jni_test.cc - platform/art - Git at Google

 /*
  * Copyright (C) 2013 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 <assert.h>
 #include <stdio.h>
 #include <pthread.h>
 #include <vector>

 #include "jni.h"

 #if defined(NDEBUG)
 #error test code compiled without NDEBUG
 #endif

 static JavaVM* jvm = NULL;

 extern "C" JNIEXPORT jint JNI_OnLoad(JavaVM *vm, void *) {
   assert(vm != NULL);
   assert(jvm == NULL);
   jvm = vm;
   return JNI_VERSION_1_6;
 }

 static void* testFindClassOnAttachedNativeThread(void*) {
   assert(jvm != NULL);

   JNIEnv* env = NULL;
   JavaVMAttachArgs args = { JNI_VERSION_1_6, __FUNCTION__, NULL };
   int attach_result = jvm->AttachCurrentThread(&env, &args);
   assert(attach_result == 0);

   jclass clazz = env->FindClass("JniTest");
   assert(clazz != NULL);
   assert(!env->ExceptionCheck());

   jobjectArray array = env->NewObjectArray(0, clazz, NULL);
   assert(array != NULL);
   assert(!env->ExceptionCheck());

   int detach_result = jvm->DetachCurrentThread();
   assert(detach_result == 0);
   return NULL;
 }

 // http://b/10994325
 extern "C" JNIEXPORT void JNICALL Java_JniTest_testFindClassOnAttachedNativeThread(JNIEnv*,
                                                                                    jclass) {
   pthread_t pthread;
   int pthread_create_result = pthread_create(&pthread,
                                              NULL,
                                              testFindClassOnAttachedNativeThread,
                                              NULL);
   assert(pthread_create_result == 0);
   int pthread_join_result = pthread_join(pthread, NULL);
   assert(pthread_join_result == 0);
 }

 static void* testFindFieldOnAttachedNativeThread(void*) {
   assert(jvm != NULL);

   JNIEnv* env = NULL;
   JavaVMAttachArgs args = { JNI_VERSION_1_6, __FUNCTION__, NULL };
   int attach_result = jvm->AttachCurrentThread(&env, &args);
   assert(attach_result == 0);

   jclass clazz = env->FindClass("JniTest");
   assert(clazz != NULL);
   assert(!env->ExceptionCheck());

   jfieldID field = env->GetStaticFieldID(clazz, "testFindFieldOnAttachedNativeThreadField", "Z");
   assert(field != NULL);
   assert(!env->ExceptionCheck());

   env->SetStaticBooleanField(clazz, field, JNI_TRUE);

   int detach_result = jvm->DetachCurrentThread();
   assert(detach_result == 0);
   return NULL;
 }

 extern "C" JNIEXPORT void JNICALL Java_JniTest_testFindFieldOnAttachedNativeThreadNative(JNIEnv*,
                                                                                          jclass) {
   pthread_t pthread;
   int pthread_create_result = pthread_create(&pthread,
                                              NULL,
                                              testFindFieldOnAttachedNativeThread,
                                              NULL);
   assert(pthread_create_result == 0);
   int pthread_join_result = pthread_join(pthread, NULL);
   assert(pthread_join_result == 0);
 }

 static void* testReflectFieldGetFromAttachedNativeThread(void*) {
   assert(jvm != NULL);

   JNIEnv* env = NULL;
   JavaVMAttachArgs args = { JNI_VERSION_1_6, __FUNCTION__, NULL };
   int attach_result = jvm->AttachCurrentThread(&env, &args);
   assert(attach_result == 0);

   jclass clazz = env->FindClass("JniTest");
   assert(clazz != NULL);
   assert(!env->ExceptionCheck());

   jclass class_clazz = env->FindClass("java/lang/Class");
   assert(class_clazz != NULL);
   assert(!env->ExceptionCheck());

   jmethodID getFieldMetodId = env->GetMethodID(class_clazz, "getField",
                                                "(Ljava/lang/String;)Ljava/lang/reflect/Field;");
   assert(getFieldMetodId != NULL);
   assert(!env->ExceptionCheck());

   jstring field_name = env->NewStringUTF("testReflectFieldGetFromAttachedNativeThreadField");
   assert(field_name != NULL);
   assert(!env->ExceptionCheck());

   jobject field = env->CallObjectMethod(clazz, getFieldMetodId, field_name);
   assert(field != NULL);
   assert(!env->ExceptionCheck());

   jclass field_clazz = env->FindClass("java/lang/reflect/Field");
   assert(field_clazz != NULL);
   assert(!env->ExceptionCheck());

   jmethodID getBooleanMetodId = env->GetMethodID(field_clazz, "getBoolean",
                                                  "(Ljava/lang/Object;)Z");
   assert(getBooleanMetodId != NULL);
   assert(!env->ExceptionCheck());

   jboolean value = env->CallBooleanMethod(field, getBooleanMetodId, /* ignored */ clazz);
   assert(value == false);
   assert(!env->ExceptionCheck());

   int detach_result = jvm->DetachCurrentThread();
   assert(detach_result == 0);
   return NULL;
 }

 // http://b/15539150
 extern "C" JNIEXPORT void JNICALL Java_JniTest_testReflectFieldGetFromAttachedNativeThreadNative(
     JNIEnv*, jclass) {
   pthread_t pthread;
   int pthread_create_result = pthread_create(&pthread,
                                              NULL,
                                              testReflectFieldGetFromAttachedNativeThread,
                                              NULL);
   assert(pthread_create_result == 0);
   int pthread_join_result = pthread_join(pthread, NULL);
   assert(pthread_join_result == 0);
 }


 // http://b/11243757
 extern "C" JNIEXPORT void JNICALL Java_JniTest_testCallStaticVoidMethodOnSubClassNative(JNIEnv* env,
                                                                                         jclass) {
   jclass super_class = env->FindClass("JniTest$testCallStaticVoidMethodOnSubClass_SuperClass");
   assert(super_class != NULL);

   jmethodID execute = env->GetStaticMethodID(super_class, "execute", "()V");
   assert(execute != NULL);

   jclass sub_class = env->FindClass("JniTest$testCallStaticVoidMethodOnSubClass_SubClass");
   assert(sub_class != NULL);

   env->CallStaticVoidMethod(sub_class, execute);
 }

 extern "C" JNIEXPORT jobject JNICALL Java_JniTest_testGetMirandaMethodNative(JNIEnv* env, jclass) {
   jclass abstract_class = env->FindClass("JniTest$testGetMirandaMethod_MirandaAbstract");
   assert(abstract_class != NULL);
   jmethodID miranda_method = env->GetMethodID(abstract_class, "inInterface", "()Z");
   assert(miranda_method != NULL);
   return env->ToReflectedMethod(abstract_class, miranda_method, JNI_FALSE);
 }

 // https://code.google.com/p/android/issues/detail?id=63055
 extern "C" void JNICALL Java_JniTest_testZeroLengthByteBuffers(JNIEnv* env, jclass) {
   std::vector<uint8_t> buffer(1);
   jobject byte_buffer = env->NewDirectByteBuffer(&buffer[0], 0);
   assert(byte_buffer != NULL);
   assert(!env->ExceptionCheck());

   assert(env->GetDirectBufferAddress(byte_buffer) == &buffer[0]);
   assert(env->GetDirectBufferCapacity(byte_buffer) == 0);
 }

 constexpr size_t kByteReturnSize = 7;
 jbyte byte_returns[kByteReturnSize] = { 0, 1, 2, 127, -1, -2, -128 };

 extern "C" jbyte JNICALL Java_JniTest_byteMethod(JNIEnv* env, jclass klass, jbyte b1, jbyte b2,
                                                     jbyte b3, jbyte b4, jbyte b5, jbyte b6,
                                                     jbyte b7, jbyte b8, jbyte b9, jbyte b10) {
   // We use b1 to drive the output.
   assert(b2 == 2);
   assert(b3 == -3);
   assert(b4 == 4);
   assert(b5 == -5);
   assert(b6 == 6);
   assert(b7 == -7);
   assert(b8 == 8);
   assert(b9 == -9);
   assert(b10 == 10);

   assert(0 <= b1);
   assert(b1 < static_cast<jbyte>(kByteReturnSize));

   return byte_returns[b1];
 }

 constexpr size_t kShortReturnSize = 9;
 jshort short_returns[kShortReturnSize] = { 0, 1, 2, 127, 32767, -1, -2, -128,
     static_cast<jshort>(0x8000) };
 // The weird static_cast is because short int is only guaranteed down to -32767, not Java's -32768.

 extern "C" jshort JNICALL Java_JniTest_shortMethod(JNIEnv* env, jclass klass, jshort s1, jshort s2,
                                                     jshort s3, jshort s4, jshort s5, jshort s6,
                                                     jshort s7, jshort s8, jshort s9, jshort s10) {
   // We use s1 to drive the output.
   assert(s2 == 2);
   assert(s3 == -3);
   assert(s4 == 4);
   assert(s5 == -5);
   assert(s6 == 6);
   assert(s7 == -7);
   assert(s8 == 8);
   assert(s9 == -9);
   assert(s10 == 10);

   assert(0 <= s1);
   assert(s1 < static_cast<jshort>(kShortReturnSize));

   return short_returns[s1];
 }

 extern "C" jboolean JNICALL Java_JniTest_booleanMethod(JNIEnv* env, jclass klass, jboolean b1,
                                                        jboolean b2, jboolean b3, jboolean b4,
                                                        jboolean b5, jboolean b6, jboolean b7,
                                                        jboolean b8, jboolean b9, jboolean b10) {
   // We use b1 to drive the output.
   assert(b2 == JNI_TRUE);
   assert(b3 == JNI_FALSE);
   assert(b4 == JNI_TRUE);
   assert(b5 == JNI_FALSE);
   assert(b6 == JNI_TRUE);
   assert(b7 == JNI_FALSE);
   assert(b8 == JNI_TRUE);
   assert(b9 == JNI_FALSE);
   assert(b10 == JNI_TRUE);

   assert(b1 == JNI_TRUE || b1 == JNI_FALSE);
   return b1;
 }

 constexpr size_t kCharReturnSize = 8;
 jchar char_returns[kCharReturnSize] = { 0, 1, 2, 127, 255, 256, 15000, 34000 };

 extern "C" jchar JNICALL Java_JniTest_charMethod(JNIEnv* env, jclass klacc, jchar c1, jchar c2,
                                                     jchar c3, jchar c4, jchar c5, jchar c6,
                                                     jchar c7, jchar c8, jchar c9, jchar c10) {
   // We use c1 to drive the output.
   assert(c2 == 'a');
   assert(c3 == 'b');
   assert(c4 == 'c');
   assert(c5 == '0');
   assert(c6 == '1');
   assert(c7 == '2');
   assert(c8 == 1234);
   assert(c9 == 2345);
   assert(c10 == 3456);

   assert(c1 < static_cast<jchar>(kCharReturnSize));

   return char_returns[c1];
 }
	/*
	* Copyright (C) 2013 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 <assert.h>
	#include <stdio.h>
	#include <pthread.h>
	#include <vector>

	#include "jni.h"

	#if defined(NDEBUG)
	#error test code compiled without NDEBUG
	#endif

	static JavaVM* jvm = NULL;

	extern "C" JNIEXPORT jint JNI_OnLoad(JavaVM vm, void ) {
	assert(vm != NULL);
	assert(jvm == NULL);
	jvm = vm;
	return JNI_VERSION_1_6;
	}

	static void* testFindClassOnAttachedNativeThread(void*) {
	assert(jvm != NULL);

	JNIEnv* env = NULL;
	JavaVMAttachArgs args = { JNI_VERSION_1_6, __FUNCTION__, NULL };
	int attach_result = jvm->AttachCurrentThread(&env, &args);
	assert(attach_result == 0);

	jclass clazz = env->FindClass("JniTest");
	assert(clazz != NULL);
	assert(!env->ExceptionCheck());

	jobjectArray array = env->NewObjectArray(0, clazz, NULL);
	assert(array != NULL);
	assert(!env->ExceptionCheck());

	int detach_result = jvm->DetachCurrentThread();
	assert(detach_result == 0);
	return NULL;
	}

	// http://b/10994325
	extern "C" JNIEXPORT void JNICALL Java_JniTest_testFindClassOnAttachedNativeThread(JNIEnv*,
	jclass) {
	pthread_t pthread;
	int pthread_create_result = pthread_create(&pthread,
	NULL,
	testFindClassOnAttachedNativeThread,
	NULL);
	assert(pthread_create_result == 0);
	int pthread_join_result = pthread_join(pthread, NULL);
	assert(pthread_join_result == 0);
	}

	static void* testFindFieldOnAttachedNativeThread(void*) {
	assert(jvm != NULL);

	JNIEnv* env = NULL;
	JavaVMAttachArgs args = { JNI_VERSION_1_6, __FUNCTION__, NULL };
	int attach_result = jvm->AttachCurrentThread(&env, &args);
	assert(attach_result == 0);

	jclass clazz = env->FindClass("JniTest");
	assert(clazz != NULL);
	assert(!env->ExceptionCheck());

	jfieldID field = env->GetStaticFieldID(clazz, "testFindFieldOnAttachedNativeThreadField", "Z");
	assert(field != NULL);
	assert(!env->ExceptionCheck());

	env->SetStaticBooleanField(clazz, field, JNI_TRUE);

	int detach_result = jvm->DetachCurrentThread();
	assert(detach_result == 0);
	return NULL;
	}

	extern "C" JNIEXPORT void JNICALL Java_JniTest_testFindFieldOnAttachedNativeThreadNative(JNIEnv*,
	jclass) {
	pthread_t pthread;
	int pthread_create_result = pthread_create(&pthread,
	NULL,
	testFindFieldOnAttachedNativeThread,
	NULL);
	assert(pthread_create_result == 0);
	int pthread_join_result = pthread_join(pthread, NULL);
	assert(pthread_join_result == 0);
	}

	static void* testReflectFieldGetFromAttachedNativeThread(void*) {
	assert(jvm != NULL);

	JNIEnv* env = NULL;
	JavaVMAttachArgs args = { JNI_VERSION_1_6, __FUNCTION__, NULL };
	int attach_result = jvm->AttachCurrentThread(&env, &args);
	assert(attach_result == 0);

	jclass clazz = env->FindClass("JniTest");
	assert(clazz != NULL);
	assert(!env->ExceptionCheck());

	jclass class_clazz = env->FindClass("java/lang/Class");
	assert(class_clazz != NULL);
	assert(!env->ExceptionCheck());

	jmethodID getFieldMetodId = env->GetMethodID(class_clazz, "getField",
	"(Ljava/lang/String;)Ljava/lang/reflect/Field;");
	assert(getFieldMetodId != NULL);
	assert(!env->ExceptionCheck());

	jstring field_name = env->NewStringUTF("testReflectFieldGetFromAttachedNativeThreadField");
	assert(field_name != NULL);
	assert(!env->ExceptionCheck());

	jobject field = env->CallObjectMethod(clazz, getFieldMetodId, field_name);
	assert(field != NULL);
	assert(!env->ExceptionCheck());

	jclass field_clazz = env->FindClass("java/lang/reflect/Field");
	assert(field_clazz != NULL);
	assert(!env->ExceptionCheck());

	jmethodID getBooleanMetodId = env->GetMethodID(field_clazz, "getBoolean",
	"(Ljava/lang/Object;)Z");
	assert(getBooleanMetodId != NULL);
	assert(!env->ExceptionCheck());

	jboolean value = env->CallBooleanMethod(field, getBooleanMetodId, /* ignored */ clazz);
	assert(value == false);
	assert(!env->ExceptionCheck());

	int detach_result = jvm->DetachCurrentThread();
	assert(detach_result == 0);
	return NULL;
	}

	// http://b/15539150
	extern "C" JNIEXPORT void JNICALL Java_JniTest_testReflectFieldGetFromAttachedNativeThreadNative(
	JNIEnv*, jclass) {
	pthread_t pthread;
	int pthread_create_result = pthread_create(&pthread,
	NULL,
	testReflectFieldGetFromAttachedNativeThread,
	NULL);
	assert(pthread_create_result == 0);
	int pthread_join_result = pthread_join(pthread, NULL);
	assert(pthread_join_result == 0);
	}


	// http://b/11243757
	extern "C" JNIEXPORT void JNICALL Java_JniTest_testCallStaticVoidMethodOnSubClassNative(JNIEnv* env,
	jclass) {
	jclass super_class = env->FindClass("JniTest$testCallStaticVoidMethodOnSubClass_SuperClass");
	assert(super_class != NULL);

	jmethodID execute = env->GetStaticMethodID(super_class, "execute", "()V");
	assert(execute != NULL);

	jclass sub_class = env->FindClass("JniTest$testCallStaticVoidMethodOnSubClass_SubClass");
	assert(sub_class != NULL);

	env->CallStaticVoidMethod(sub_class, execute);
	}

	extern "C" JNIEXPORT jobject JNICALL Java_JniTest_testGetMirandaMethodNative(JNIEnv* env, jclass) {
	jclass abstract_class = env->FindClass("JniTest$testGetMirandaMethod_MirandaAbstract");
	assert(abstract_class != NULL);
	jmethodID miranda_method = env->GetMethodID(abstract_class, "inInterface", "()Z");
	assert(miranda_method != NULL);
	return env->ToReflectedMethod(abstract_class, miranda_method, JNI_FALSE);
	}

	// https://code.google.com/p/android/issues/detail?id=63055
	extern "C" void JNICALL Java_JniTest_testZeroLengthByteBuffers(JNIEnv* env, jclass) {
	std::vector<uint8_t> buffer(1);
	jobject byte_buffer = env->NewDirectByteBuffer(&buffer[0], 0);
	assert(byte_buffer != NULL);
	assert(!env->ExceptionCheck());

	assert(env->GetDirectBufferAddress(byte_buffer) == &buffer[0]);
	assert(env->GetDirectBufferCapacity(byte_buffer) == 0);
	}

	constexpr size_t kByteReturnSize = 7;
	jbyte byte_returns[kByteReturnSize] = { 0, 1, 2, 127, -1, -2, -128 };

	extern "C" jbyte JNICALL Java_JniTest_byteMethod(JNIEnv* env, jclass klass, jbyte b1, jbyte b2,
	jbyte b3, jbyte b4, jbyte b5, jbyte b6,
	jbyte b7, jbyte b8, jbyte b9, jbyte b10) {
	// We use b1 to drive the output.
	assert(b2 == 2);
	assert(b3 == -3);
	assert(b4 == 4);
	assert(b5 == -5);
	assert(b6 == 6);
	assert(b7 == -7);
	assert(b8 == 8);
	assert(b9 == -9);
	assert(b10 == 10);

	assert(0 <= b1);
	assert(b1 < static_cast<jbyte>(kByteReturnSize));

	return byte_returns[b1];
	}

	constexpr size_t kShortReturnSize = 9;
	jshort short_returns[kShortReturnSize] = { 0, 1, 2, 127, 32767, -1, -2, -128,
	static_cast<jshort>(0x8000) };
	// The weird static_cast is because short int is only guaranteed down to -32767, not Java's -32768.

	extern "C" jshort JNICALL Java_JniTest_shortMethod(JNIEnv* env, jclass klass, jshort s1, jshort s2,
	jshort s3, jshort s4, jshort s5, jshort s6,
	jshort s7, jshort s8, jshort s9, jshort s10) {
	// We use s1 to drive the output.
	assert(s2 == 2);
	assert(s3 == -3);
	assert(s4 == 4);
	assert(s5 == -5);
	assert(s6 == 6);
	assert(s7 == -7);
	assert(s8 == 8);
	assert(s9 == -9);
	assert(s10 == 10);

	assert(0 <= s1);
	assert(s1 < static_cast<jshort>(kShortReturnSize));

	return short_returns[s1];
	}

	extern "C" jboolean JNICALL Java_JniTest_booleanMethod(JNIEnv* env, jclass klass, jboolean b1,
	jboolean b2, jboolean b3, jboolean b4,
	jboolean b5, jboolean b6, jboolean b7,
	jboolean b8, jboolean b9, jboolean b10) {
	// We use b1 to drive the output.
	assert(b2 == JNI_TRUE);
	assert(b3 == JNI_FALSE);
	assert(b4 == JNI_TRUE);
	assert(b5 == JNI_FALSE);
	assert(b6 == JNI_TRUE);
	assert(b7 == JNI_FALSE);
	assert(b8 == JNI_TRUE);
	assert(b9 == JNI_FALSE);
	assert(b10 == JNI_TRUE);

	assert(b1 == JNI_TRUE \|\| b1 == JNI_FALSE);
	return b1;
	}

	constexpr size_t kCharReturnSize = 8;
	jchar char_returns[kCharReturnSize] = { 0, 1, 2, 127, 255, 256, 15000, 34000 };

	extern "C" jchar JNICALL Java_JniTest_charMethod(JNIEnv* env, jclass klacc, jchar c1, jchar c2,
	jchar c3, jchar c4, jchar c5, jchar c6,
	jchar c7, jchar c8, jchar c9, jchar c10) {
	// We use c1 to drive the output.
	assert(c2 == 'a');
	assert(c3 == 'b');
	assert(c4 == 'c');
	assert(c5 == '0');
	assert(c6 == '1');
	assert(c7 == '2');
	assert(c8 == 1234);
	assert(c9 == 2345);
	assert(c10 == 3456);

	assert(c1 < static_cast<jchar>(kCharReturnSize));

	return char_returns[c1];
	}