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

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 *

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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

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

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 *

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/*

 * @test

 * @key nmt jcmd

 * @summary Verify that jcmd correctly reports that NMT is not enabled after a shutdown

 * @library /testlibrary

 * @modules java.base/sun.misc

 *          java.management

 * @run main/othervm -XX:NativeMemoryTracking=detail SummaryAfterShutdown

 */

import jdk.test.lib.*;

public class SummaryAfterShutdown {

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

    OutputAnalyzer output;

    // Grab my own PID

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

    ProcessBuilder pb = new ProcessBuilder();

    // Run 'jcmd <pid> VM.native_memory shutdown'

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

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

    // Verify that jcmd reports that NMT is shutting down

    output.shouldContain("Native memory tracking has been turned off");

    // Run 'jcmd <pid> VM.native_memory summary'

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

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

    // Verify that jcmd reports that NMT has been shutdown

    output.shouldContain("Native memory tracking has been shutdown");

  }

}