98 lines
3.1 KiB
Java
98 lines
3.1 KiB
Java
/*
|
|
* Copyright (c) 2015, 2024, 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.
|
|
*/
|
|
|
|
import java.util.LinkedList;
|
|
import java.util.List;
|
|
|
|
import sun.java2d.Disposer;
|
|
import sun.java2d.DisposerRecord;
|
|
|
|
/**
|
|
* @test
|
|
* @bug 8129457
|
|
* @summary Check Disposer disposes all objects without any memory leaks
|
|
* @run main/othervm -Xmx128m TestDisposerLeak
|
|
* @modules java.desktop/sun.java2d
|
|
*/
|
|
public final class TestDisposerLeak {
|
|
|
|
private static final int COUNT = 30000;
|
|
|
|
private static volatile boolean disposerComplete;
|
|
|
|
private static volatile boolean readyForDispose;
|
|
|
|
static int disposeCount = 0;
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
TestDisposerLeak test = new TestDisposerLeak();
|
|
test.testLeak();
|
|
while (!disposerComplete) {}
|
|
if (disposeCount != COUNT) {
|
|
System.err.println("dispose called " + disposeCount);
|
|
throw new RuntimeException("All objects are not disposed");
|
|
}else {
|
|
System.out.println("Test PASSED");
|
|
}
|
|
}
|
|
|
|
public void testLeak() throws Exception {
|
|
MyDisposerRec disposerRecord = new MyDisposerRec();
|
|
for (int i = 0; i < 30000; i++) {
|
|
Disposer.addObjectRecord(new Object(), disposerRecord);
|
|
}
|
|
generateOOME();
|
|
readyForDispose = true;
|
|
Disposer.addObjectRecord(new Object(), new EndRec());
|
|
generateOOME();
|
|
}
|
|
|
|
class MyDisposerRec implements DisposerRecord, Disposer.PollDisposable {
|
|
|
|
public void dispose() {
|
|
while (!readyForDispose) {}
|
|
disposeCount++;
|
|
Disposer.pollRemove();
|
|
}
|
|
}
|
|
|
|
class EndRec implements DisposerRecord, Disposer.PollDisposable {
|
|
|
|
public void dispose() {
|
|
disposerComplete = true;
|
|
}
|
|
}
|
|
|
|
private static void generateOOME() throws Exception {
|
|
List<Object> leak = new LinkedList<>();
|
|
try {
|
|
while (true) {
|
|
leak.add(new byte[1024 * 1024]);
|
|
}
|
|
} catch (OutOfMemoryError e) {
|
|
}
|
|
// Give the GC a chance at that weakref in case of slow systems
|
|
Thread.sleep(2000);
|
|
}
|
|
}
|