/*

 * Copyright (c) 2003, 2018, 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.

 */

/*

 This test case to test the following:

           VMInit initial thread arg.

           SetThreadLocalStorage and SetEnvironmentLocalStorage should allow

           value to be set to NULL.

 */

#include <stdio.h>

#include <string.h>

#include <inttypes.h>

#include "jvmti.h"

#include "jni_tools.h"

#include "agent_common.h"

extern "C" {

#define JVMTI_ERROR_CHECK(str,res) if ( res != JVMTI_ERROR_NONE) { printf(str); printf("%d\n",res); return res;}

#define JVMTI_ERROR_CHECK_EXPECTED_ERROR(str,res,err) if ( res != err) { printf(str); printf("unexpected error %d\n",res); return res;}

#define JVMTI_ERROR_CHECK_VOID(str,res) if ( res != JVMTI_ERROR_NONE) { printf(str); printf("%d\n",res); iGlobalStatus = 2; }

#define JVMTI_ERROR_CHECK_EXPECTED_ERROR_VOID(str,res,err) if ( res != err) { printf(str); printf("unexpected error %d\n",res); iGlobalStatus = 2; }

jvmtiEnv *jvmti;

jint iGlobalStatus = 0;

static jvmtiEventCallbacks callbacks;

int printdump = 0;

void debug_printf(char *fmt, ...) {

    va_list args;

    va_start(args, fmt);

    if (printdump) {

        vprintf(fmt, args);

    }

    va_end(args);

}

intptr_t get_env_local() {

  jvmtiError res;

  void *val;

  JVMTI_ERROR_CHECK("GetEnvironmentLocalStorage returned error", res);

  return (intptr_t)val;

}

void set_env_local(intptr_t x) {

  jvmtiError res;

  void *val = (void*)x;

  JVMTI_ERROR_CHECK_VOID("SetEnvironmentLocalStorage returned error", res);

}

intptr_t get_thread_local(jthread thread) {

  jvmtiError res;

  void *val;

  JVMTI_ERROR_CHECK("GetThreadLocalStorage returned error", res);

  return (intptr_t)val;

}

void set_thread_local(jthread thread, intptr_t x) {

  jvmtiError res;

  void *val = (void*)x;

  JVMTI_ERROR_CHECK_VOID("SetThreadLocalStorage returned error", res);

}

void check_val(intptr_t x, intptr_t y, const char* msg) {

  if (x != y) {

    printf("Error in %s: expected %" PRIdPTR " to be %" PRIdPTR "\n", msg, x, y);

    iGlobalStatus = 2;

  } else if (printdump) {

    printf("Correct in %s: expected %" PRIdPTR " to be %" PRIdPTR "\n", msg, x, y);

  }

}

void JNICALL vmInit(jvmtiEnv *jvmti_env, JNIEnv *jni_env, jthread thread) {

  check_val(get_thread_local(thread), 0, "thread initial");

  check_val(get_thread_local(NULL), 0, "thread initial");

  set_thread_local(thread, 35);

  check_val(get_thread_local(thread), 35, "thread set non-zero");

  check_val(get_thread_local(NULL), 35, "thread set non-zero");

  set_thread_local(NULL, 0);

  check_val(get_thread_local(thread), 0, "thread set zero");

  check_val(get_thread_local(NULL), 0, "thread set zero");

  check_val(get_env_local(), 14, "env set non-zero");

  set_env_local(77);

  check_val(get_env_local(), 77, "env set non-zero");

}

void init_callbacks() {

    memset((void *)&callbacks, 0, sizeof(jvmtiEventCallbacks));

    callbacks.VMInit = vmInit;

}

#ifdef STATIC_BUILD

JNIEXPORT jint JNICALL Agent_OnLoad_JvmtiTest(JavaVM *jvm, char *options, void *reserved) {

    return Agent_Initialize(jvm, options, reserved);

}

JNIEXPORT jint JNICALL Agent_OnAttach_JvmtiTest(JavaVM *jvm, char *options, void *reserved) {

    return Agent_Initialize(jvm, options, reserved);

}

JNIEXPORT jint JNI_OnLoad_JvmtiTest(JavaVM *jvm, char *options, void *reserved) {

    return JNI_VERSION_1_8;

}

#endif

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

    jint res;

    if (options && strlen(options) > 0) {

        if (strstr(options, "printdump")) {

            printdump = 1;

        }

    }

    if (res < 0) {

        printf("Wrong result of a valid call to GetEnv!\n");

        return JNI_ERR;

    }

    check_val(get_env_local(), 0, "env initial");

    set_env_local(0);

    check_val(get_env_local(), 0, "env set zero");

    set_env_local(14);

    check_val(get_env_local(), 14, "env set non-zero");

    /* Enable events */

    init_callbacks();

    JVMTI_ERROR_CHECK("SetEventCallbacks returned error", res);

    JVMTI_ERROR_CHECK("SetEventNotificationMode for VM_INIT returned error", res);

    return JNI_OK;

}

JNIEXPORT jint JNICALL

Java_nsk_jvmti_unit_setNullVMInit_JvmtiTest_check(JNIEnv *env, jclass cls) {

  check_val(get_env_local(), 77, "env lasts");

  set_env_local(0);

  check_val(get_env_local(), 0, "env reset to zero");

  check_val(get_thread_local(NULL), 0, "thread check");

  return iGlobalStatus;

}

}