61 lines
2.3 KiB
Java
61 lines
2.3 KiB
Java
/*
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* Copyright (c) 2021, 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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/* @test
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* @bug 8193234 8258077
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* @summary Check ReleasePrimitiveArrayCritical doesn't leak memory with
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* Xcheck:jni and JNI_COMMIT mode
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* @comment This is a manual test as you need to verify memory usage externally.
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* @library /test/lib
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* @run main/othervm/native/manual -Xms4m -Xmx4m -Xcheck:jni TestCheckedReleaseCriticalArray
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*/
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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import jtreg.SkippedException;
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public class TestCheckedReleaseCriticalArray {
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static {
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System.loadLibrary("TestCheckedReleaseCriticalArray");
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}
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/*
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* We repeatedly modify an array via the JNI critical functions, using
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* JNI_COMMIT mode. No memory leak should be observed on a VM that
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* provides direct array access.
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*/
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public static void main(String[] args) {
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int[] array = new int[] { 1, 2, 3 };
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if (!modifyArray(array)) {
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// If the VM makes copies then we will leak them if we only ever use
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// JNI_COMMIT mode.
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throw new SkippedException("Test skipped as GetPrimitiveArrayCritical made a copy");
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}
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while (true) {
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modifyArray(array);
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}
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}
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private static native boolean modifyArray(int[] array);
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}
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