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

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/*

 * @test

 * @bug 8130072

 * @summary Check that Shared Dictionary is printed out with jcmd

 * Feature support: compressed oops/kptrs, 64-bit os, not on windows

 * @requires (sun.arch.data.model != "32") & (os.family != "windows")

 * @requires (vm.opt.UseCompressedOops == null) | (vm.opt.UseCompressedOops == true)

 * @library /test/lib

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

 * @run main DumpSharedDictionary

 */

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 DumpSharedDictionary {

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

        if (args.length == 0) {

            // Start this process

            ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(

                "-XX:+UnlockDiagnosticVMOptions",

                "-XX:SharedArchiveFile=./DumpSharedDictionary.jsa",

                "-XX:+UseCompressedOops",

                "-Xshare:dump");

            OutputAnalyzer out = CDSTestUtils.executeAndLog(pb, "dump");

            out.shouldHaveExitValue(0);

            String testjdkPath = System.getProperty("test.jdk");

            pb = ProcessTools.createJavaProcessBuilder(

                    "-XX:+UnlockDiagnosticVMOptions",

                    "-XX:SharedArchiveFile=./DumpSharedDictionary.jsa",

                    "-XX:+UseCompressedOops",

                    "-Dtest.jdk=" + testjdkPath,

                    "-Xshare:on", "DumpSharedDictionary", "test");

            out = CDSTestUtils.executeAndLog(pb, "exec");

            out.shouldHaveExitValue(0);

        } else {

            // Grab my own PID

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

            ProcessBuilder pb = new ProcessBuilder();

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

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

            try {

                output.shouldContain("Shared Dictionary 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-verbose");

            try {

                output.shouldContain("Shared Dictionary");

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

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

            } catch (RuntimeException e) {

                output.shouldContain("Unknown diagnostic command");

            }

        }

    }

}