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/*
* Copyright (c) 2013, 2018, 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 CdsSameObjectAlignment
* @summary Testing CDS (class data sharing) using varying object alignment.
* Using same object alignment for each dump/load pair
* @requires vm.cds
* @requires vm.bits == 64
* @library /test/lib
* @modules java.base/jdk.internal.misc
* java.management
* @run main CdsSameObjectAlignment
*/
import jdk.test.lib.Platform;
import jdk.test.lib.cds.CDSTestUtils;
import jdk.test.lib.process.OutputAnalyzer;
import jtreg.SkippedException;
public class CdsSameObjectAlignment {
public static void main(String[] args) throws Exception {
dumpAndLoadSharedArchive(8);
dumpAndLoadSharedArchive(16);
dumpAndLoadSharedArchive(32);
dumpAndLoadSharedArchive(64);
}
private static void
dumpAndLoadSharedArchive(int objectAlignmentInBytes) throws Exception {
String objectAlignmentArg = "-XX:ObjectAlignmentInBytes="
+ objectAlignmentInBytes;
System.out.println("dumpAndLoadSharedArchive(): objectAlignmentInBytes = "
+ objectAlignmentInBytes);
CDSTestUtils.createArchiveAndCheck(objectAlignmentArg);
CDSTestUtils.runWithArchiveAndCheck(objectAlignmentArg);
}
}
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