/*

 * Copyright (c) 2011, 2018, 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.

 */

package nsk.monitoring.ThreadMXBean.GetThreadCpuTime;

import nsk.share.*;

import nsk.monitoring.share.*;

import nsk.monitoring.ThreadMXBean.ThreadMXBeanTestBase;

/**

 * Tests  getThreadCpuTime(long[] ids) and getThreadUserTime(long[] ids)

 * functions of com.sun.management.ThreadMXBean

 * <p>

 *  - any method called with null argument should throw NullPointerException

 * for direct and proxy MBean delivery methods and RuntimeException for

 * server MBean delivery method (MBeanServer)

 * <br>

 *  - any method called with zero (0 for long, { 0 } for long[]) argument

 * should throw IllegalArgumentException for direct and proxy MBean delivery

 * methods and RuntimeException for server MBean delivery method (MBeanServer)

 */

public class IllegalArgumentsTest extends ThreadMXBeanTestBase {

    /**

     * Actually runs the test

     */

    public void run() {

        if (threadMXBean == null)

            return;

        int exceptions = 0;

        // getThreadCpuTime(long[]) with null

        try {

            threadMXBean.getThreadCpuTime(null);

        } catch (NullPointerException e) {

            log.info("Caught expected NPE : " + e.getMessage());

            exceptions++;

        } catch (RuntimeException e1) {

            log.info("Caught expected RuntimeException : " + e1.getMessage());

            exceptions++;

        }

        // getThreadCpuTime(long[]) with { 0 }

        try {

            threadMXBean.getThreadCpuTime(new long[] { 0 });

        } catch (IllegalArgumentException e) {

            log.info("Caught expected IllegalArgumentException : " + e.getMessage());

            exceptions++;

        } catch (RuntimeException e1) {

            log.info("Caught expected RuntimeException : " + e1.getMessage());

            exceptions++;

        }

        // getThreadUserTime(long[]) with null

        try {

            threadMXBean.getThreadUserTime(null);

        } catch (NullPointerException e) {

            log.info("Caught expected NPE : " + e.getMessage());

            exceptions++;

        } catch (RuntimeException e1) {

            log.info("Caught expected RuntimeException : " + e1.getMessage());

            exceptions++;

        }

        // getThreadCpuTime(long[]) with { 0 }

        try {

            threadMXBean.getThreadUserTime(new long[] { 0 });

        } catch (IllegalArgumentException e) {

            log.info("Caught expected IllegalArgumentException : " + e.getMessage());

            exceptions++;

        } catch (RuntimeException e1) {

            log.info("Caught expected RuntimeException : " + e1.getMessage());

            exceptions++;

        }

        // 4 exceptions should have been caught

        if (exceptions != 4)

            throw new TestFailure("Failure! Expected to catch 4 exceptions, "

                    + "actually caught : " + exceptions);

        log.info("IllegalArgumentsTest passed.");

    }

    /**

     * Entry point for java program

     * @param args sets the test configuration

     */

    public static void main(String[] args) {

        Monitoring.runTest(new IllegalArgumentsTest(), args);

    }

}