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

 *

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 * under the terms of the GNU General Public License version 2 only, as

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 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * 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

 * accompanied this code).

 *

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 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

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 */

 /*

 * @test

 * @bug 8193184

 * @key nmt

 * @summary Check class counters in summary report

 * @library /test/lib

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

 *          java.management

 * @run main/othervm -Xbootclasspath/a:. -XX:NativeMemoryTracking=summary JcmdSummaryClass

 */

import jdk.test.lib.process.ProcessTools;

import jdk.test.lib.process.OutputAnalyzer;

import jdk.test.lib.JDKToolFinder;

import java.util.regex.*;

public class JcmdSummaryClass {

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

        ProcessBuilder pb = new ProcessBuilder();

        OutputAnalyzer output;

        // Grab my own PID

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

        // Run 'jcmd <pid> VM.native_memory baseline=true'

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

        pb.start().waitFor();

        String classes_line = "classes #\\d+";

        String instance_array_classes_line = "instance classes #\\d+, array classes #\\d+";

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

        output.shouldMatch(classes_line);

        output.shouldMatch(instance_array_classes_line);

    }

}