1 /*

     2  * Copyright (c) 2017, 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 import java.util.HashMap;

    25 import java.util.List;

    26 import java.util.Map;

    27 import jdk.test.lib.apps.LingeredApp;

    28 

    29 /*

    30  * @test

    31  * @bug 8191538

    32  * @summary Test clhsdb 'vmstructsdump' command

    33  * @library /test/lib

    34  * @run main/othervm ClhsdbVmStructsDump

    35  */

    36 

    37 public class ClhsdbVmStructsDump {

    38 

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

    40         System.out.println("Starting ClhsdbVmStructsDump test");

    41 

    42         LingeredApp theApp = null;

    43         try {

    44             ClhsdbLauncher test = new ClhsdbLauncher();

    45             theApp = LingeredApp.startApp();

    46             System.out.println("Started LingeredApp with pid " + theApp.getPid());

    47 

    48             List<String> cmds = List.of("vmstructsdump");

    49 

    50             Map<String, List<String>> expStrMap = new HashMap<>();

    51             expStrMap.put("vmstructsdump", List.of(

    52                 "field ConstantPool _pool_holder InstanceKlass*",

    53                 "field InstanceKlass _methods Array<Method*>*",

    54                 "field InstanceKlass _constants ConstantPool*",

    55                 "field Klass _name Symbol*",

    56                 "type ClassLoaderData* null",

    57                 "type DictionaryEntry KlassHashtableEntry",

    58                 "field JavaThread _next JavaThread*",

    59                 "field JavaThread _osthread OSThread*",

    60                 "type TenuredGeneration CardGeneration",

    61                 "field JVMState _bci",

    62                 "type Universe null",

    63                 "type ConstantPoolCache MetaspaceObj"));

    64             test.run(theApp.getPid(), cmds, expStrMap, null);

    65         } catch (Exception ex) {

    66             throw new RuntimeException("Test ERROR " + ex, ex);

    67         } finally {

    68             LingeredApp.stopApp(theApp);

    69         }

    70         System.out.println("Test PASSED");

    71     }

    72 }