1 /*

     2  * Copyright (c) 2015, 2018, 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  * @test

    26  * @requires vm.cds

    27  * @bug 8067187 8200078

    28  * @summary Testing CDS dumping with the -XX:MaxMetaspaceSize=<size> option

    29  * @library /test/lib

    30  * @modules java.base/jdk.internal.misc

    31  *          java.management

    32  */

    33 

    34 import java.util.ArrayList;

    35 

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

    37 import jdk.test.lib.process.ProcessTools;

    38 import jdk.test.lib.Platform;

    39 

    40 public class MaxMetaspaceSize {

    41   public static void main(String[] args) throws Exception {

    42     ArrayList<String> processArgs = new ArrayList<>();

    43     processArgs.add("-Xshare:dump");

    44 

    45     if (Platform.is64bit()) {

    46       processArgs.add("-XX:MaxMetaspaceSize=3m");

    47       processArgs.add("-XX:CompressedClassSpaceSize=1m");

    48       processArgs.add("-XX:InitialBootClassLoaderMetaspaceSize=1m");

    49     } else {

    50       processArgs.add("-XX:MaxMetaspaceSize=1m");

    51     }

    52 

    53     String msg = "Failed allocating metaspace object";

    54     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(processArgs.toArray(new String[0]));

    55     CDSTestUtils.executeAndLog(pb, "dump").shouldContain(msg).shouldHaveExitValue(1);

    56   }

    57 }