/*

 * Copyright (c) 2015, 2019, 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.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 8133885

 * @library /test/lib

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

 *          java.management

 * @run driver MonitorInflationTest

 */

import jdk.test.lib.process.OutputAnalyzer;

import jdk.test.lib.process.ProcessTools;

public class MonitorInflationTest {

    static void analyzeOutputOn(ProcessBuilder pb) throws Exception {

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

        output.shouldContain("inflate(has_locker):");

        output.shouldContain("type='MonitorInflationTest$Waiter'");

        output.shouldContain("I've been waiting.");

        output.shouldHaveExitValue(0);

    }

    static void analyzeOutputOff(ProcessBuilder pb) throws Exception {

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

        output.shouldNotContain("[monitorinflation]");

        output.shouldHaveExitValue(0);

    }

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

                                                                  InnerClass.class.getName());

        analyzeOutputOn(pb);

        pb = ProcessTools.createJavaProcessBuilder("-XX:+TraceMonitorInflation",

                                                   InnerClass.class.getName());

        analyzeOutputOn(pb);

        pb = ProcessTools.createJavaProcessBuilder("-Xlog:monitorinflation=off",

                                                   InnerClass.class.getName());

        analyzeOutputOff(pb);

        pb = ProcessTools.createJavaProcessBuilder("-XX:-TraceMonitorInflation",

                                                   InnerClass.class.getName());

        analyzeOutputOff(pb);

    }

    public static class Waiter {

        public static void foo() {

            System.out.println("I've been waiting.");

        }

    }

    public static class InnerClass {

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

            Waiter w = new Waiter();

            synchronized (w) {

                w.wait(100);

                w.foo();

            }

        }

    }

}