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import java.io.IOException;

import java.nio.file.Files;

import java.nio.file.Paths;

import jdk.test.lib.apps.LingeredApp;

import jdk.test.lib.Platform;

import jdk.test.lib.process.OutputAnalyzer;

import jdk.test.lib.process.ProcessTools;

 * @test

 * @bug 8184982

 * @summary Test ClassDump tool

 * @library /test/lib

 * @run main/othervm TestClassDump

 */

public class TestClassDump {

    private static void dumpClass(long lingeredAppPid)

        throws IOException {

        ProcessBuilder pb;

        OutputAnalyzer output;

        pb = ProcessTools.createJavaProcessBuilder(

                "-Dsun.jvm.hotspot.tools.jcore.outputDir=jtreg_classes",

                "-m", "jdk.hotspot.agent/sun.jvm.hotspot.tools.jcore.ClassDump", String.valueOf(lingeredAppPid));

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

        output.shouldHaveExitValue(0);

        if (!Files.isDirectory(Paths.get("jtreg_classes"))) {

            throw new RuntimeException("jtreg_classes directory not found");

        }

        if (Files.notExists(Paths.get("jtreg_classes", "java", "lang", "Integer.class"))) {

            throw new RuntimeException("jtreg_classes/java/lang/Integer.class not found");

        }

        if (Files.notExists(Paths.get("jtreg_classes", "jdk", "test", "lib", "apps", "LingeredApp.class"))) {

            throw new RuntimeException("jtreg_classes/jdk/test/lib/apps/LingeredApp.class not found");

        }

        if (Files.notExists(Paths.get("jtreg_classes", "sun", "net", "util", "URLUtil.class"))) {

            throw new RuntimeException("jtreg_classes/sun/net/util/URLUtil.class not found");

        }

        pb = ProcessTools.createJavaProcessBuilder(

                "-Dsun.jvm.hotspot.tools.jcore.outputDir=jtreg_classes2",

                "-Dsun.jvm.hotspot.tools.jcore.PackageNameFilter.pkgList=jdk,sun",

                "-m", "jdk.hotspot.agent/sun.jvm.hotspot.tools.jcore.ClassDump", String.valueOf(lingeredAppPid));

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

        output.shouldHaveExitValue(0);

        if (Files.exists(Paths.get("jtreg_classes2", "java", "math", "BigInteger.class"))) {

            throw new RuntimeException("jtreg_classes2/java/math/BigInteger.class not expected");

        }

        if (Files.notExists(Paths.get("jtreg_classes2", "sun", "util", "calendar", "BaseCalendar.class"))) {

            throw new RuntimeException("jtreg_classes2/sun/util/calendar/BaseCalendar.class not found");

        }

        if (Files.notExists(Paths.get("jtreg_classes2", "jdk", "internal", "loader", "BootLoader.class"))) {

            throw new RuntimeException("jtreg_classes2/jdk/internal/loader/BootLoader.class not found");

        }

    }

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

        LingeredApp theApp = null;

        try {

            theApp = LingeredApp.startApp();

            long pid = theApp.getPid();

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

            dumpClass(pid);

        } catch (Exception ex) {

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

        } finally {

            LingeredApp.stopApp(theApp);

        }

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

    }

}