/*

 * Copyright (c) 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 <jni.h>

#include <stdio.h>

void reduceLocalCapacity(JNIEnv* env) {

    puts("reduceLocalCapacity: setting to 1");

    (*env)->EnsureLocalCapacity(env,1);

}

JNIEXPORT void JNICALL

Java_TestCheckedEnsureLocalCapacity_ensureCapacity(JNIEnv *env,

                                                   jobject unused,

                                                   jobject target,

                                                   jint capacity,

                                                   jint copies) {

  int i;

  printf("ensureCapacity: setting to %d\n", capacity);

  (*env)->EnsureLocalCapacity(env, capacity); // set high

  reduceLocalCapacity(env);     // sets low

  printf("ensureCapacity: creating %d LocalRefs\n", copies);

  for (i = 0; i < copies; i++) {

    target = (*env)->NewLocalRef(env, target);

  }

  puts("ensureCapacity: done");

}