/* * Copyright (c) 2018, 2019, 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.ArrayList; import jdk.test.lib.cds.CDSTestUtils; import jdk.test.lib.cds.CDSOptions; import jdk.test.lib.process.OutputAnalyzer; /* * @test * @summary Try to archive lots of classes by searching for classes from the jrt:/ file system. With JDK 12 * this will produce an archive with over 30,000 classes. * @requires vm.cds * @library /test/lib /test/hotspot/jtreg/runtime/cds * @run driver/timeout=500 LotsOfClasses */ public class LotsOfClasses { public static void main(String[] args) throws Throwable { ArrayList list = new ArrayList<>(); TestCommon.findAllClasses(list); CDSOptions opts = new CDSOptions(); opts.setClassList(list); opts.addSuffix("--add-modules"); opts.addSuffix("ALL-SYSTEM"); opts.addSuffix("-Xlog:hashtables"); opts.addSuffix("-Xmx500m"); opts.addSuffix("-Xlog:gc+region+cds"); opts.addSuffix("-Xlog:gc+region=trace"); OutputAnalyzer out = CDSTestUtils.createArchive(opts); CDSTestUtils.checkDump(out); } }