BaselineWithParameter.java

/*
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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
 * accompanied this code).
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/*
 * @test
 * @bug 8004802
 * @key nmt jcmd regression
 * @summary Regression test for invoking a jcmd with baseline=false, result was that the target VM crashed
 * @library /test/lib
 * @modules java.base/jdk.internal.misc
 *          java.management
 * @run main/othervm -XX:NativeMemoryTracking=detail BaselineWithParameter
 */

import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.JDKToolFinder;

public class BaselineWithParameter {

  public static void main(String args[]) throws Exception {
    // Grab my own PID
    String pid = Long.toString(ProcessTools.getProcessId());
    OutputAnalyzer output;

    ProcessBuilder pb = new ProcessBuilder();

    // Run 'jcmd <pid> VM.native_memory baseline=false'
    pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "baseline=false"});
    pb.start().waitFor();

    // Run 'jcmd <pid> VM.native_memory summary=false'
    pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary=false"});
    output = new OutputAnalyzer(pb.start());
    output.shouldContain("No command to execute");

  }
}