jdk-24/test/hotspot/jtreg/vmTestbase/gc/hashcode/HashCodeTestPC/HashCodeTestPC.java
2020-07-10 11:49:02 -07:00

95 lines
3.0 KiB
Java

/*
* Copyright (c) 2011, 2020, 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.
*/
/*
* @test
* @key stress randomness
*
* @summary converted from VM Testbase gc/hashcode/HashCodeTestPC.
* VM Testbase keywords: [gc, stress, stressopt, nonconcurrent, jrockit]
* VM Testbase readme:
* DESCRIPTION
* Test that verifies external hash codes. This class tests the scenario
* with promotion & compaction.
*
* COMMENTS
* This test was ported from JRockit test suite.
*
* @library /vmTestbase
* /test/lib
* @run main/othervm -XX:-UseGCOverheadLimit gc.hashcode.HashCodeTestPC.HashCodeTestPC
*/
package gc.hashcode.HashCodeTestPC;
import gc.hashcode.HCHelper;
import nsk.share.TestFailure;
import nsk.share.gc.GC;
import nsk.share.gc.GCTestBase;
import nsk.share.gc.gp.GarbageUtils;
import nsk.share.test.Stresser;
/**
* Test that verifies external hash codes. This class tests the scenario
* with promotion followed by compaction.
*/
public class HashCodeTestPC extends GCTestBase{
/**
* Test external hash codes when a promotion followed by a compaction
* have been performed.
*
* @return Success if all hash codes matches original hash codes
*/
@Override
public void run() {
HCHelper hch = new HCHelper(512, 2000, runParams.getSeed(),
0.7, 10240);
hch.setupLists();
Stresser stresser = new Stresser(runParams.getStressOptions());
stresser.start(0);
GarbageUtils.eatMemory(stresser);
if (!stresser.continueExecution()) {
return;// we didn't trigger GC, nothing
}
hch.clearList(HCHelper.EVAC_LIST_1);
GarbageUtils.eatMemory(stresser);
if (!stresser.continueExecution()) {
return;// we didn't trigger GC, nothing
}
boolean testResult = hch.verifyHashCodes();
hch.cleanupLists();
if(!testResult) {
throw new TestFailure("Some hash codes didn't match");
}
}
public static void main(String[] args) {
GC.runTest(new HashCodeTestPC(), args);
}
}