hotspot/test/serviceability/jvmti/AddModuleUsesAndProvides/libAddModuleUsesAndProvidesTest.c - platform/libcore - Git at Google

 /*
  * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */

 #include <stdio.h>
 #include <string.h>
 #include "jvmti.h"

 #ifdef __cplusplus
 extern "C" {
 #endif

 #ifndef JNI_ENV_ARG

 #ifdef __cplusplus
 #define JNI_ENV_ARG(x, y) y
 #define JNI_ENV_PTR(x) x
 #else
 #define JNI_ENV_ARG(x,y) x, y
 #define JNI_ENV_PTR(x) (*x)
 #endif

 #endif

 #define TranslateError(err) "JVMTI error"

 #define PASSED 0
 #define FAILED 2

 static const char *EXC_CNAME = "java/lang/Exception";
 static const char* MOD_CNAME = "Ljava/lang/Module;";

 static jvmtiEnv *jvmti = NULL;
 static jint result = PASSED;

 static jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved);

 JNIEXPORT
 jint JNICALL Agent_OnLoad(JavaVM *jvm, char *options, void *reserved) {
     return Agent_Initialize(jvm, options, reserved);
 }

 JNIEXPORT
 jint JNICALL Agent_OnAttach(JavaVM *jvm, char *options, void *reserved) {
     return Agent_Initialize(jvm, options, reserved);
 }

 JNIEXPORT
 jint JNICALL JNI_OnLoad(JavaVM *jvm, void *reserved) {
     return JNI_VERSION_1_8;
 }

 static
 jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
     jint res = JNI_ENV_PTR(jvm)->GetEnv(JNI_ENV_ARG(jvm, (void **) &jvmti),
                                         JVMTI_VERSION_9);
     if (res != JNI_OK || jvmti == NULL) {
         printf("    Error: wrong result of a valid call to GetEnv!\n");
         return JNI_ERR;
     }

     return JNI_OK;
 }

 static
 void throw_exc(JNIEnv *env, char *msg) {
     jclass exc_class = JNI_ENV_PTR(env)->FindClass(JNI_ENV_ARG(env, EXC_CNAME));
     jint rt = JNI_OK;

     if (exc_class == NULL) {
         printf("throw_exc: Error in FindClass(env, %s)\n", EXC_CNAME);
         return;
     }
     rt = JNI_ENV_PTR(env)->ThrowNew(JNI_ENV_ARG(env, exc_class), msg);
     if (rt == JNI_ERR) {
         printf("throw_exc: Error in JNI ThrowNew(env, %s)\n", msg);
     }
 }

 static
 jclass jlM(JNIEnv *env) {
     jclass cls = NULL;

     cls = JNI_ENV_PTR(env)->FindClass(JNI_ENV_ARG(env, MOD_CNAME));
     if (cls == NULL) {
         printf("    Error in JNI FindClass: %s\n", MOD_CNAME);
     }
     return cls;
 }

 jmethodID
 get_method(JNIEnv *env, jclass clazz, const char * name, const char *sig) {
     jmethodID method = NULL;

     method = JNI_ENV_PTR(env)->GetMethodID(JNI_ENV_ARG(env, clazz), name, sig);
     if (method == NULL) {
         printf("    Error in JNI GetMethodID %s with signature %s", name, sig);
     }
     return method;
 }

 static
 jboolean can_use_service(JNIEnv *env, jobject module, jclass service) {
     static jmethodID mCanUse = NULL;
     jboolean res = JNI_FALSE;

     if (mCanUse == NULL) {
         const char* sign = "(Ljava/lang/Class;)Z";
         mCanUse = get_method(env, jlM(env), "canUse", sign);
     }
     res = JNI_ENV_PTR(env)->CallBooleanMethod(JNI_ENV_ARG(env, module),
                                               mCanUse, service);
     return res;
 }

 JNIEXPORT jint JNICALL
 Java_MyPackage_AddModuleUsesAndProvidesTest_checkUses(JNIEnv *env,
                                                       jclass  cls,
                                                       jobject baseModule,
                                                       jclass  service) {
     jvmtiError err = JVMTI_ERROR_NONE;
     jboolean used = JNI_FALSE;

     // Add a service to use to NULL module
     printf("Check #UN1:\n");
     err = (*jvmti)->AddModuleUses(jvmti, NULL, service);
     if (err != JVMTI_ERROR_NULL_POINTER) {
         printf("#UN1: jvmtiError from AddModuleUses: %d\n", err);
         throw_exc(env, "Check #UN1: failed to return JVMTI_ERROR_NULL_POINTER for module==NULL");
         return FAILED;
     }

     // Add NULL service to use to baseModule
     printf("Check #UN2:\n");
     err = (*jvmti)->AddModuleUses(jvmti, baseModule, NULL);
     if (err != JVMTI_ERROR_NULL_POINTER) {
         printf("#UN2: jvmtiError from AddModuleUses: %d\n", err);
         throw_exc(env, "Check #UN2: failed to return JVMTI_ERROR_NULL_POINTER for service==NULL");
         return FAILED;
     }

     // Add service to use to invalid module (cls)
     printf("Check #UI1:\n");
     err = (*jvmti)->AddModuleUses(jvmti, (jobject)cls, service);
     if (err != JVMTI_ERROR_INVALID_MODULE) {
         printf("#UI1: jvmtiError from AddModuleUses: %d\n", err);
         throw_exc(env, "Check #UI1: did not get expected JVMTI_ERROR_INVALID_MODULE for invalid module");
         return FAILED;
     }

     // Add invalid service (thisModule) to use to baseModule
     printf("Check #UI2:\n");
     err = (*jvmti)->AddModuleUses(jvmti, baseModule, baseModule);
     if (err != JVMTI_ERROR_INVALID_CLASS) {
         printf("#UI2: jvmtiError from AddModuleUses: %d\n", err);
         throw_exc(env, "Check #UI2: did not get expected JVMTI_ERROR_INVALID_CLASS for invalid service");
         return FAILED;
     }

     // Check if the service can not be used
     printf("Check #UC1:\n");
     used = can_use_service(env, baseModule, service);
     if (used != JNI_FALSE) {
         throw_exc(env, "Check #UC1: unexpected use of service");
         return FAILED;
     }

     // Add uses of a correct service
     printf("Check #UC2:\n");
     err = (*jvmti)->AddModuleUses(jvmti, baseModule, service);
     if (err != JVMTI_ERROR_NONE) {
         printf("#UC2: jvmtiError from AddModuleUses: %d\n", err);
         throw_exc(env, "Check #UC2: got unexpected JVMTI error");
         return FAILED;
     }

     // Check if the service can not be used
     printf("Check #UC3:\n");
     used = can_use_service(env, baseModule, service);
     if (used == JNI_FALSE) {
         throw_exc(env, "Check #UC3: service can not be used unexpectedly");
         return FAILED;
     }
     fflush(0);
     return PASSED;
 }

 JNIEXPORT jint JNICALL
 Java_MyPackage_AddModuleUsesAndProvidesTest_checkProvides(JNIEnv *env,
                                                           jclass  cls,
                                                           jobject baseModule,
                                                           jclass  service,
                                                           jclass  serviceImpl) {
    jvmtiError err = JVMTI_ERROR_NONE;
    jboolean provided = JNI_FALSE;

     // Add provides to NULL module
     printf("Check #PN1:\n");
     err = (*jvmti)->AddModuleProvides(jvmti, NULL, service, serviceImpl);
     if (err != JVMTI_ERROR_NULL_POINTER) {
         printf("#PN1: jvmtiError from AddModuleProvides: %d\n", err);
         throw_exc(env, "Check #PN1: failed to return JVMTI_ERROR_NULL_POINTER for module==NULL");
         return FAILED;
     }

     // Add provides with NULL service
     printf("Check #PN2:\n");
     err = (*jvmti)->AddModuleProvides(jvmti, baseModule, NULL, serviceImpl);
     if (err != JVMTI_ERROR_NULL_POINTER) {
         printf("#PN2: jvmtiError from AddModuleProvides: %d\n", err);
         throw_exc(env, "Check #PN2: failed to return JVMTI_ERROR_NULL_POINTER for service==NULL");
         return FAILED;
     }

     // Add provides with NULL serviceImpl
     printf("Check #PN3:\n");
     err = (*jvmti)->AddModuleProvides(jvmti, baseModule, service, NULL);
     if (err != JVMTI_ERROR_NULL_POINTER) {
         printf("#PN3: jvmtiError from AddModuleProvides: %d\n", err);
         throw_exc(env, "Check #PN3: failed to return JVMTI_ERROR_NULL_POINTER for serviceImpl==NULL");
         return FAILED;
     }

     // Add provides to invalid module (cls)
     printf("Check #PI1:\n");
     err = (*jvmti)->AddModuleProvides(jvmti, (jobject)cls, service, serviceImpl);
     if (err != JVMTI_ERROR_INVALID_MODULE) {
         printf("#PI1: jvmtiError from AddModuleProvides: %d\n", err);
         throw_exc(env, "Check #PI1: did not get expected JVMTI_ERROR_INVALID_MODULE for invalid module");
         return FAILED;
     }

     // Add provides with invalid service (baseModule)
     printf("Check #PI2:\n");
     err = (*jvmti)->AddModuleProvides(jvmti, baseModule, baseModule, serviceImpl);
     if (err != JVMTI_ERROR_INVALID_CLASS) {
         printf("#PI2: jvmtiError from AddModuleProvides: %d\n", err);
         throw_exc(env, "Check #PI2: did not get expected JVMTI_ERROR_INVALID_CLASS for invalid service");
         return FAILED;
     }

     // Add provides with invalid serviceImpl (baseModule)
     printf("Check #PI3:\n");
     err = (*jvmti)->AddModuleProvides(jvmti, baseModule, service, baseModule);
     if (err != JVMTI_ERROR_INVALID_CLASS) {
         printf("#PI3: jvmtiError from AddModuleProvides: %d\n", err);
         throw_exc(env, "Check #PI3: did not get expected JVMTI_ERROR_INVALID_CLASS for invalid serviceImpl");
         return FAILED;
     }

     // Add provides to baseModule with correct service and serviceImpl
     printf("Check #PC2:\n");
     err = (*jvmti)->AddModuleProvides(jvmti, baseModule, service, serviceImpl);
     if (err != JVMTI_ERROR_NONE) {
         printf("#PC2: jvmtiError from AddModuleExports: %d\n", err);
         throw_exc(env, "Check #PC2: error in add provides to baseModule with correct service and serviceImpl");
         return FAILED;
     }
     fflush(0);
     return PASSED;
 }

 #ifdef __cplusplus
 }
 #endif
	/*
	* Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation.
	*
	* This code is distributed in the hope that it will be useful, but WITHOUT
	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/

	#include <stdio.h>
	#include <string.h>
	#include "jvmti.h"

	#ifdef __cplusplus
	extern "C" {
	#endif

	#ifndef JNI_ENV_ARG

	#ifdef __cplusplus
	#define JNI_ENV_ARG(x, y) y
	#define JNI_ENV_PTR(x) x
	#else
	#define JNI_ENV_ARG(x,y) x, y
	#define JNI_ENV_PTR(x) (*x)
	#endif

	#endif

	#define TranslateError(err) "JVMTI error"

	#define PASSED 0
	#define FAILED 2

	static const char *EXC_CNAME = "java/lang/Exception";
	static const char* MOD_CNAME = "Ljava/lang/Module;";

	static jvmtiEnv *jvmti = NULL;
	static jint result = PASSED;

	static jint Agent_Initialize(JavaVM jvm, char options, void *reserved);

	JNIEXPORT
	jint JNICALL Agent_OnLoad(JavaVM jvm, char options, void *reserved) {
	return Agent_Initialize(jvm, options, reserved);
	}

	JNIEXPORT
	jint JNICALL Agent_OnAttach(JavaVM jvm, char options, void *reserved) {
	return Agent_Initialize(jvm, options, reserved);
	}

	JNIEXPORT
	jint JNICALL JNI_OnLoad(JavaVM jvm, void reserved) {
	return JNI_VERSION_1_8;
	}

	static
	jint Agent_Initialize(JavaVM jvm, char options, void *reserved) {
	jint res = JNI_ENV_PTR(jvm)->GetEnv(JNI_ENV_ARG(jvm, (void **) &jvmti),
	JVMTI_VERSION_9);
	if (res != JNI_OK \|\| jvmti == NULL) {
	printf(" Error: wrong result of a valid call to GetEnv!\n");
	return JNI_ERR;
	}

	return JNI_OK;
	}

	static
	void throw_exc(JNIEnv env, char msg) {
	jclass exc_class = JNI_ENV_PTR(env)->FindClass(JNI_ENV_ARG(env, EXC_CNAME));
	jint rt = JNI_OK;

	if (exc_class == NULL) {
	printf("throw_exc: Error in FindClass(env, %s)\n", EXC_CNAME);
	return;
	}
	rt = JNI_ENV_PTR(env)->ThrowNew(JNI_ENV_ARG(env, exc_class), msg);
	if (rt == JNI_ERR) {
	printf("throw_exc: Error in JNI ThrowNew(env, %s)\n", msg);
	}
	}

	static
	jclass jlM(JNIEnv *env) {
	jclass cls = NULL;

	cls = JNI_ENV_PTR(env)->FindClass(JNI_ENV_ARG(env, MOD_CNAME));
	if (cls == NULL) {
	printf(" Error in JNI FindClass: %s\n", MOD_CNAME);
	}
	return cls;
	}

	jmethodID
	get_method(JNIEnv env, jclass clazz, const char name, const char *sig) {
	jmethodID method = NULL;

	method = JNI_ENV_PTR(env)->GetMethodID(JNI_ENV_ARG(env, clazz), name, sig);
	if (method == NULL) {
	printf(" Error in JNI GetMethodID %s with signature %s", name, sig);
	}
	return method;
	}

	static
	jboolean can_use_service(JNIEnv *env, jobject module, jclass service) {
	static jmethodID mCanUse = NULL;
	jboolean res = JNI_FALSE;

	if (mCanUse == NULL) {
	const char* sign = "(Ljava/lang/Class;)Z";
	mCanUse = get_method(env, jlM(env), "canUse", sign);
	}
	res = JNI_ENV_PTR(env)->CallBooleanMethod(JNI_ENV_ARG(env, module),
	mCanUse, service);
	return res;
	}

	JNIEXPORT jint JNICALL
	Java_MyPackage_AddModuleUsesAndProvidesTest_checkUses(JNIEnv *env,
	jclass cls,
	jobject baseModule,
	jclass service) {
	jvmtiError err = JVMTI_ERROR_NONE;
	jboolean used = JNI_FALSE;

	// Add a service to use to NULL module
	printf("Check #UN1:\n");
	err = (*jvmti)->AddModuleUses(jvmti, NULL, service);
	if (err != JVMTI_ERROR_NULL_POINTER) {
	printf("#UN1: jvmtiError from AddModuleUses: %d\n", err);
	throw_exc(env, "Check #UN1: failed to return JVMTI_ERROR_NULL_POINTER for module==NULL");
	return FAILED;
	}

	// Add NULL service to use to baseModule
	printf("Check #UN2:\n");
	err = (*jvmti)->AddModuleUses(jvmti, baseModule, NULL);
	if (err != JVMTI_ERROR_NULL_POINTER) {
	printf("#UN2: jvmtiError from AddModuleUses: %d\n", err);
	throw_exc(env, "Check #UN2: failed to return JVMTI_ERROR_NULL_POINTER for service==NULL");
	return FAILED;
	}

	// Add service to use to invalid module (cls)
	printf("Check #UI1:\n");
	err = (*jvmti)->AddModuleUses(jvmti, (jobject)cls, service);
	if (err != JVMTI_ERROR_INVALID_MODULE) {
	printf("#UI1: jvmtiError from AddModuleUses: %d\n", err);
	throw_exc(env, "Check #UI1: did not get expected JVMTI_ERROR_INVALID_MODULE for invalid module");
	return FAILED;
	}

	// Add invalid service (thisModule) to use to baseModule
	printf("Check #UI2:\n");
	err = (*jvmti)->AddModuleUses(jvmti, baseModule, baseModule);
	if (err != JVMTI_ERROR_INVALID_CLASS) {
	printf("#UI2: jvmtiError from AddModuleUses: %d\n", err);
	throw_exc(env, "Check #UI2: did not get expected JVMTI_ERROR_INVALID_CLASS for invalid service");
	return FAILED;
	}

	// Check if the service can not be used
	printf("Check #UC1:\n");
	used = can_use_service(env, baseModule, service);
	if (used != JNI_FALSE) {
	throw_exc(env, "Check #UC1: unexpected use of service");
	return FAILED;
	}

	// Add uses of a correct service
	printf("Check #UC2:\n");
	err = (*jvmti)->AddModuleUses(jvmti, baseModule, service);
	if (err != JVMTI_ERROR_NONE) {
	printf("#UC2: jvmtiError from AddModuleUses: %d\n", err);
	throw_exc(env, "Check #UC2: got unexpected JVMTI error");
	return FAILED;
	}

	// Check if the service can not be used
	printf("Check #UC3:\n");
	used = can_use_service(env, baseModule, service);
	if (used == JNI_FALSE) {
	throw_exc(env, "Check #UC3: service can not be used unexpectedly");
	return FAILED;
	}
	fflush(0);
	return PASSED;
	}

	JNIEXPORT jint JNICALL
	Java_MyPackage_AddModuleUsesAndProvidesTest_checkProvides(JNIEnv *env,
	jclass cls,
	jobject baseModule,
	jclass service,
	jclass serviceImpl) {
	jvmtiError err = JVMTI_ERROR_NONE;
	jboolean provided = JNI_FALSE;

	// Add provides to NULL module
	printf("Check #PN1:\n");
	err = (*jvmti)->AddModuleProvides(jvmti, NULL, service, serviceImpl);
	if (err != JVMTI_ERROR_NULL_POINTER) {
	printf("#PN1: jvmtiError from AddModuleProvides: %d\n", err);
	throw_exc(env, "Check #PN1: failed to return JVMTI_ERROR_NULL_POINTER for module==NULL");
	return FAILED;
	}

	// Add provides with NULL service
	printf("Check #PN2:\n");
	err = (*jvmti)->AddModuleProvides(jvmti, baseModule, NULL, serviceImpl);
	if (err != JVMTI_ERROR_NULL_POINTER) {
	printf("#PN2: jvmtiError from AddModuleProvides: %d\n", err);
	throw_exc(env, "Check #PN2: failed to return JVMTI_ERROR_NULL_POINTER for service==NULL");
	return FAILED;
	}

	// Add provides with NULL serviceImpl
	printf("Check #PN3:\n");
	err = (*jvmti)->AddModuleProvides(jvmti, baseModule, service, NULL);
	if (err != JVMTI_ERROR_NULL_POINTER) {
	printf("#PN3: jvmtiError from AddModuleProvides: %d\n", err);
	throw_exc(env, "Check #PN3: failed to return JVMTI_ERROR_NULL_POINTER for serviceImpl==NULL");
	return FAILED;
	}

	// Add provides to invalid module (cls)
	printf("Check #PI1:\n");
	err = (*jvmti)->AddModuleProvides(jvmti, (jobject)cls, service, serviceImpl);
	if (err != JVMTI_ERROR_INVALID_MODULE) {
	printf("#PI1: jvmtiError from AddModuleProvides: %d\n", err);
	throw_exc(env, "Check #PI1: did not get expected JVMTI_ERROR_INVALID_MODULE for invalid module");
	return FAILED;
	}

	// Add provides with invalid service (baseModule)
	printf("Check #PI2:\n");
	err = (*jvmti)->AddModuleProvides(jvmti, baseModule, baseModule, serviceImpl);
	if (err != JVMTI_ERROR_INVALID_CLASS) {
	printf("#PI2: jvmtiError from AddModuleProvides: %d\n", err);
	throw_exc(env, "Check #PI2: did not get expected JVMTI_ERROR_INVALID_CLASS for invalid service");
	return FAILED;
	}

	// Add provides with invalid serviceImpl (baseModule)
	printf("Check #PI3:\n");
	err = (*jvmti)->AddModuleProvides(jvmti, baseModule, service, baseModule);
	if (err != JVMTI_ERROR_INVALID_CLASS) {
	printf("#PI3: jvmtiError from AddModuleProvides: %d\n", err);
	throw_exc(env, "Check #PI3: did not get expected JVMTI_ERROR_INVALID_CLASS for invalid serviceImpl");
	return FAILED;
	}

	// Add provides to baseModule with correct service and serviceImpl
	printf("Check #PC2:\n");
	err = (*jvmti)->AddModuleProvides(jvmti, baseModule, service, serviceImpl);
	if (err != JVMTI_ERROR_NONE) {
	printf("#PC2: jvmtiError from AddModuleExports: %d\n", err);
	throw_exc(env, "Check #PC2: error in add provides to baseModule with correct service and serviceImpl");
	return FAILED;
	}
	fflush(0);
	return PASSED;
	}

	#ifdef __cplusplus
	}
	#endif