jdk-24/test/hotspot/jtreg/runtime/jni/checked/TestCheckedReleaseCriticalArray.java
2021-01-08 04:11:22 +00:00

61 lines
2.3 KiB
Java

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