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

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

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/* @test TestVerifySubSet.java

 * @key gc

 * @bug 8072725

 * @summary Test VerifySubSet option

 * @library /testlibrary

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

 *          java.management

 */

import jdk.test.lib.OutputAnalyzer;

import jdk.test.lib.ProcessTools;

import java.util.ArrayList;

import java.util.Collections;

class RunSystemGC {

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

        System.gc();

    }

}

public class TestVerifySubSet {

    private static String[] getTestJavaOpts() {

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

        if (!testVmOptsStr.isEmpty()) {

            return testVmOptsStr.split(" ");

        } else {

            return new String[] {};

        }

    }

    private static OutputAnalyzer runTest(String subset) throws Exception {

        ArrayList<String> vmOpts = new ArrayList();

        Collections.addAll(vmOpts, getTestJavaOpts());

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

                                                 "-XX:+VerifyBeforeGC",

                                                 "-XX:+VerifyAfterGC",

                                                 "-Xlog:gc+verify=debug",

                                                 "-XX:VerifySubSet="+subset,

                                                 RunSystemGC.class.getName()});

        ProcessBuilder pb =

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

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

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

        return output;

    }

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

        OutputAnalyzer output;

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

        output.shouldContain("Heap");

        output.shouldContain("Threads");

        output.shouldContain("CodeCache");

        output.shouldContain("MetaspaceAux");

        output.shouldNotContain("SymbolTable");

        output.shouldNotContain("StringTable");

        output.shouldNotContain("SystemDictionary");

        output.shouldNotContain("CodeCache Oops");

        output.shouldHaveExitValue(0);

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

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

        output.shouldNotContain("Threads");

        output.shouldNotContain("CodeCache");

        output.shouldNotContain("MetaspaceAux");

        output.shouldHaveExitValue(1);

    }

}