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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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/*
 * @test
 * @summary Test the NMT scale parameter
 * @library /test/lib
 * @modules java.base/jdk.internal.misc
 *          java.management
 * @run main/othervm -XX:NativeMemoryTracking=summary JcmdScale
 */

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

public class JcmdScale {

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

    pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "scale=1"});
    output = new OutputAnalyzer(pb.start());
    output.shouldContain(", committed=");

    pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "scale=b"});
    output = new OutputAnalyzer(pb.start());
    output.shouldContain(", committed=");

    pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "scale=KB"});
    output = new OutputAnalyzer(pb.start());
    output.shouldContain("KB, committed=");

    pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "scale=MB"});
    output = new OutputAnalyzer(pb.start());
    output.shouldContain("MB, committed=");

    pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "scale=GB"});
    output = new OutputAnalyzer(pb.start());
    output.shouldContain("GB, committed=");

    pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "scale=apa"});
    output = new OutputAnalyzer(pb.start());
    output.shouldContain("Incorrect scale value: apa");

    pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary", "scale=GB"});
    output = new OutputAnalyzer(pb.start());
    output.shouldContain("GB, committed=");

    pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary", "scale=apa"});
    output = new OutputAnalyzer(pb.start());
    output.shouldContain("Incorrect scale value: apa");

    pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary", "scale="});
    output = new OutputAnalyzer(pb.start());
    output.shouldContain("Incorrect scale value:");

    pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary", "scale"});
    output = new OutputAnalyzer(pb.start());
    output.shouldContain("Incorrect scale value: (null)");
  }
}