1 /*
   2  * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24  /*
  25  * @test
  26  * @key nmt
  27  * @summary Trying to enable PrintNMTStatistics should result in a warning
  28  * @library /test/lib
  29  * @modules java.base/jdk.internal.misc
  30  *          java.management
  31  */
  32 
  33 import jdk.test.lib.process.ProcessTools;
  34 import jdk.test.lib.process.OutputAnalyzer;
  35 
  36 public class PrintNMTStatisticsWithNMTDisabled {
  37 
  38   public static void main(String args[]) throws Exception {
  39     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
  40       "-XX:+UnlockDiagnosticVMOptions",
  41       "-XX:+PrintNMTStatistics",
  42       "-version");
  43     OutputAnalyzer output = new OutputAnalyzer(pb.start());
  44     output.shouldContain("warning: PrintNMTStatistics is disabled, because native memory tracking is not enabled");
  45     output.shouldHaveExitValue(0);
  46   }
  47 }