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

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 *

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 *

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/*

 * @test

 * @bug 8059510

 * @summary Test jcmd VM.symboltable, VM.stringtable and VM.systemdictionary options

 * @library /test/lib

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

 *          java.management

 * @run main/othervm -XX:+UnlockDiagnosticVMOptions DumpSymbolAndStringTable

 */

import jdk.test.lib.cds.CDSTestUtils;

import jdk.test.lib.process.ProcessTools;

import jdk.test.lib.process.OutputAnalyzer;

import jdk.test.lib.JDKToolFinder;

public class DumpSymbolAndStringTable {

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

        // Grab my own PID

        String pid = Long.toString(ProcessTools.getProcessId());

        ProcessBuilder pb = new ProcessBuilder();

        pb.command(new String[] {JDKToolFinder.getJDKTool("jcmd"), pid, "VM.symboltable", "-verbose"});

        OutputAnalyzer output = CDSTestUtils.executeAndLog(pb, "jcmd-symboltable");

        try {

            output.shouldContain("24 2: DumpSymbolAndStringTable\n");

        } catch (RuntimeException e) {

            output.shouldContain("Unknown diagnostic command");

        }

        pb.command(new String[] {JDKToolFinder.getJDKTool("jcmd"), pid, "VM.stringtable", "-verbose"});

        output = CDSTestUtils.executeAndLog(pb, "jcmd-stringtable");

        try {

            output.shouldContain("16: java.lang.String\n");

        } catch (RuntimeException e) {

            output.shouldContain("Unknown diagnostic command");

        }

        pb.command(new String[] {JDKToolFinder.getJDKTool("jcmd"), pid, "VM.systemdictionary"});

        output = CDSTestUtils.executeAndLog(pb, "jcmd-systemdictionary");

        try {

            output.shouldContain("System Dictionary for jdk/internal/loader/ClassLoaders$AppClassLoader statistics:");

            output.shouldContain("Number of buckets");

            output.shouldContain("Number of entries");

            output.shouldContain("Maximum bucket size");

        } catch (RuntimeException e) {

            output.shouldContain("Unknown diagnostic command");

        }

        pb.command(new String[] {JDKToolFinder.getJDKTool("jcmd"), pid, "VM.systemdictionary", "-verbose"});

        output = CDSTestUtils.executeAndLog(pb, "jcmd-systemdictionary");

        try {

            output.shouldContain("Dictionary for class loader 0x");

            output.shouldContain("^java.lang.String");

        } catch (RuntimeException e) {

            output.shouldContain("Unknown diagnostic command");

        }

    }

}