1 /*

     2  * Copyright (c) 2016, 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

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    23 

    24 /* @test TestVerifySubSet.java

    25  * @key gc

    26  * @bug 8072725

    27  * @summary Test VerifySubSet option

    28  * @library /testlibrary

    29  * @modules java.base/sun.misc

    30  *          java.management

    31  */

    32 

    33 import jdk.test.lib.OutputAnalyzer;

    34 import jdk.test.lib.ProcessTools;

    35 import java.util.ArrayList;

    36 import java.util.Collections;

    37 

    38 class RunSystemGC {

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

    40         System.gc();

    41     }

    42 }

    43 

    44 public class TestVerifySubSet {

    45     private static String[] getTestJavaOpts() {

    46         String testVmOptsStr = System.getProperty("test.java.opts");

    47         if (!testVmOptsStr.isEmpty()) {

    48             return testVmOptsStr.split(" ");

    49         } else {

    50             return new String[] {};

    51         }

    52     }

    53 

    54     private static OutputAnalyzer runTest(String subset) throws Exception {

    55         ArrayList<String> vmOpts = new ArrayList();

    56 

    57         Collections.addAll(vmOpts, getTestJavaOpts());

    58         Collections.addAll(vmOpts, new String[] {"-XX:+UnlockDiagnosticVMOptions",

    59                                                  "-XX:+VerifyBeforeGC",

    60                                                  "-XX:+VerifyAfterGC",

    61                                                  "-Xlog:gc+verify=debug",

    62                                                  "-XX:VerifySubSet="+subset,

    63                                                  RunSystemGC.class.getName()});

    64         ProcessBuilder pb =

    65             ProcessTools.createJavaProcessBuilder(vmOpts.toArray(new String[vmOpts.size()]));

    66         OutputAnalyzer output = new OutputAnalyzer(pb.start());

    67 

    68         System.out.println("Output:\n" + output.getOutput());

    69         return output;

    70     }

    71 

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

    73 

    74         OutputAnalyzer output;

    75 

    76         output = runTest("heap, threads, codecache, metaspace");

    77         output.shouldContain("Heap");

    78         output.shouldContain("Threads");

    79         output.shouldContain("CodeCache");

    80         output.shouldContain("MetaspaceAux");

    81         output.shouldNotContain("SymbolTable");

    82         output.shouldNotContain("StringTable");

    83         output.shouldNotContain("SystemDictionary");

    84         output.shouldNotContain("CodeCache Oops");

    85         output.shouldHaveExitValue(0);

    86 

    87         output = runTest("hello, threads, codecache, metaspace");

    88         output.shouldContain("memory sub-system is unknown, please correct it");

    89         output.shouldNotContain("Threads");

    90         output.shouldNotContain("CodeCache");

    91         output.shouldNotContain("MetaspaceAux");

    92         output.shouldHaveExitValue(1);

    93     }

    94 }