PrintNMTStatisticsWithNMTDisabled.java

/*
 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * 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).
 *
 * You should have received a copy of the GNU General Public License version
 * 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
 * @key nmt
 * @summary Trying to enable PrintNMTStatistics should result in a warning
 * @library /testlibrary
 * @ignore
 */

import com.oracle.java.testlibrary.*;

public class PrintNMTStatisticsWithNMTDisabled {

  public static void main(String args[]) throws Exception {
    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
      "-XX:+UnlockDiagnosticVMOptions",
      "-XX:+PrintNMTStatistics",
      "-version");
    OutputAnalyzer output = new OutputAnalyzer(pb.start());
    output.shouldContain("warning: PrintNMTStatistics is disabled, because native memory tracking is not enabled");
    output.shouldHaveExitValue(0);
  }
}