1 /*

     2  * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    24 

    25 import java.util.ArrayList;

    26 

    27 import jdk.test.lib.cds.CDSTestUtils;

    28 import jdk.test.lib.cds.CDSOptions;

    29 import jdk.test.lib.process.OutputAnalyzer;

    30 

    31 /*

    32  * @test

    33  * @summary Try to archive lots of classes by searching for classes from the jrt:/ file system. With JDK 12

    34  *          this will produce an archive with over 30,000 classes.

    35  * @requires vm.cds

    36  * @library /test/lib /test/hotspot/jtreg/runtime/appcds

    37  * @run driver/timeout=500 LotsOfClasses

    38  */

    39 

    40 public class LotsOfClasses {

    41 

    42     public static void main(String[] args) throws Throwable {

    43         ArrayList<String> list = new ArrayList<>();

    44         TestCommon.findAllClasses(list);

    45 

    46         CDSOptions opts = new CDSOptions();

    47         opts.setClassList(list);

    48         opts.addSuffix("--add-modules");

    49         opts.addSuffix("ALL-SYSTEM");

    50         opts.addSuffix("-Xlog:hashtables");

    51         opts.addSuffix("-Xmx500m");

    52         opts.addSuffix("-Xlog:gc+region+cds");

    53         opts.addSuffix("-Xlog:gc+region=trace");

    54 

    55         OutputAnalyzer out = CDSTestUtils.createArchive(opts);

    56         CDSTestUtils.checkDump(out);

    57     }

    58 }