/*

 * 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.

 *

 * 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 8026028

 * @summary Tests no leak of internal info

 * @author Shanliang JIANG

 * @run clean NoInfoLeakTest

 * @run build NoInfoLeakTest

 * @run main NoInfoLeakTest

 */

import com.sun.jmx.snmp.SnmpString;

import com.sun.jmx.snmp.agent.SnmpMib;

import com.sun.jmx.snmp.agent.SnmpMibTable;

import com.sun.jmx.snmp.daemon.CommunicatorServer;

import com.sun.jmx.snmp.daemon.SnmpAdaptorServer;

import javax.management.MBeanNotificationInfo;

import javax.management.MBeanServer;

import javax.management.ObjectName;

public class NoInfoLeakTest {

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

        boolean ok = true;

        ok &= snmpStringTest();

        ok &= snmpMibTest();

        ok &= communicatorServerTest();

        if (!ok) {

            throw new RuntimeException("Some tests are failed!");

        }

    }

    private static boolean snmpStringTest() {

        System.out.println("\n---NoInfoLeakTest-snmpStringTest: testing the method byteValue()...");

        boolean passed = true;

        byte[] mine = new byte[]{1,1,1,};

        SnmpString ss = new SnmpString(mine);

        byte[] got = ss.byteValue();

        got[0]=0;

        if (ss.byteValue()[0] == 0) {

            System.err.println("Failed: SnmpString.byteValue() returns an internal mutable object value");

            passed = false;

        } else {

            System.out.println("---NoInfoLeakTest-snmpStringTest done.");

        }

        return passed;

    }

    private static boolean snmpMibTest() {

        boolean passed = true;

        System.out.println("\n---NoInfoLeakTest-snmpMibTest: testing the method "

                + "SnmpMib.getRootOid()...");

        SnmpMib mib = new MySnmpMib();

        if (mib.getRootOid() == mib.getRootOid()) {

            System.err.println("Failed: SnmpMib.getRootOid() returns an internal"

                    + " mutable object value "+mib.getRootOid());

        } else {

            System.out.println("---NoInfoLeakTest-snmpMibTest done.");

        }

        return passed;

    }

    private static boolean communicatorServerTest() {

        boolean passed = true;

        System.out.println("\n---NoInfoLeakTest-communicatorServerTest: testing the method CommunicatorServer.getNotificationInfo()...");

        CommunicatorServer server = new SnmpAdaptorServer();

        MBeanNotificationInfo[] notifs = server.getNotificationInfo();

        assert notifs.length > 0 && notifs[0] != null; // the current implementation ensures this

        notifs[0] = null;

        if (server.getNotificationInfo()[0] == null) {

            System.err.println("Failed: CommunicatorServer.getNotificationInfo()"

                    + " returns an internal mutable object value");

            passed = false;

        } else {

            System.out.println("---NoInfoLeakTest-communicatorServerTest done.");

        }

        return passed;

    }

    private static class MySnmpMib extends SnmpMib {

        @Override

        public void registerTableMeta(String name, SnmpMibTable table) {

            throw new UnsupportedOperationException("Not supported yet.");

        }

        @Override

        public SnmpMibTable getRegisteredTableMeta(String name) {

            throw new UnsupportedOperationException("Not supported yet.");

        }

        @Override

        public void init() throws IllegalAccessException {

            throw new UnsupportedOperationException("Not supported yet.");

        }

        @Override

        public ObjectName preRegister(MBeanServer server, ObjectName name) throws Exception {

            throw new UnsupportedOperationException("Not supported yet.");

        }

    }

}