50 lines
1.9 KiB
C
50 lines
1.9 KiB
C
/*
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* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include <jni.h>
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#include <stdio.h>
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void reduceLocalCapacity(JNIEnv* env) {
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puts("reduceLocalCapacity: setting to 1");
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(*env)->EnsureLocalCapacity(env,1);
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}
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JNIEXPORT void JNICALL
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Java_TestCheckedEnsureLocalCapacity_ensureCapacity(JNIEnv *env,
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jobject unused,
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jobject target,
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jint capacity,
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jint copies) {
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int i;
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printf("ensureCapacity: setting to %d\n", capacity);
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(*env)->EnsureLocalCapacity(env, capacity); // set high
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reduceLocalCapacity(env); // sets low
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printf("ensureCapacity: creating %d LocalRefs\n", copies);
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for (i = 0; i < copies; i++) {
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target = (*env)->NewLocalRef(env, target);
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}
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puts("ensureCapacity: done");
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}
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