/*

 * 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.

 */

import javax.management.MBeanAttributeInfo;

import javax.management.MBeanConstructorInfo;

import javax.management.MBeanInfo;

import javax.management.MBeanNotificationInfo;

import javax.management.MBeanOperationInfo;

import javax.management.MBeanParameterInfo;

import javax.management.modelmbean.DescriptorSupport;

import javax.management.openmbean.SimpleType;

/*

 * @test

 * @bug 8023669

 * @summary Test that hashCode()throws NullPointerException

 * @author Shanliang JIANG

 * @run clean MBeanInfoHashCodeNPETest

 * @run build MBeanInfoHashCodeNPETest

 * @run main MBeanInfoHashCodeNPETest

 */

public class MBeanInfoHashCodeNPETest {

    private static int failed = 0;

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

        System.out.println("---MBeanInfoHashCodeNPETest-main ...");

        // ----

        System.out.println("\n---Testing on MBeanAttributeInfo...");

        MBeanAttributeInfo mbeanAttributeInfo = new MBeanAttributeInfo(

                null, SimpleType.INTEGER.getClassName(), "description", true, true, false);

        test(mbeanAttributeInfo, "class name");

        mbeanAttributeInfo = new MBeanAttributeInfo(

                "name", null, "description", true, true, false);

        test(mbeanAttributeInfo, "type");

        mbeanAttributeInfo = new MBeanAttributeInfo(

                "name", SimpleType.INTEGER.getClassName(), null, true, true, false);

        test(mbeanAttributeInfo, "description");

        // ----

        System.out.println("\n---Testing on MBeanConstructorInfo...");

        MBeanConstructorInfo mbeanConstructorInfo = new MBeanConstructorInfo(

                null, "", new MBeanParameterInfo[]{}, new DescriptorSupport());

        test(mbeanConstructorInfo, "name");

        mbeanConstructorInfo = new MBeanConstructorInfo(

                "", null, new MBeanParameterInfo[]{}, new DescriptorSupport());

        test(mbeanConstructorInfo, "description");

        mbeanConstructorInfo = new MBeanConstructorInfo(

                "", "", null, new DescriptorSupport());

        test(mbeanConstructorInfo, "MBeanParameterInfo");

        mbeanConstructorInfo = new MBeanConstructorInfo(

                "", "", new MBeanParameterInfo[]{}, null);

        test(mbeanConstructorInfo, "descriptor");

        // ----

        System.out.println("\n---Testing on MBeanOperationInfo...");

        MBeanOperationInfo mbeanOperationInfo = new MBeanOperationInfo(

                null, "description", new MBeanParameterInfo[]{}, "type", 1, new DescriptorSupport());

        test(mbeanOperationInfo, "name");

        mbeanOperationInfo = new MBeanOperationInfo(

                "name", null, new MBeanParameterInfo[]{}, "type", 1, new DescriptorSupport());

        test(mbeanOperationInfo, "description");

        mbeanOperationInfo = new MBeanOperationInfo(

                "name", "description", null, "type", 1, new DescriptorSupport());

        test(mbeanOperationInfo, "MBeanParameterInfo");

        mbeanOperationInfo = new MBeanOperationInfo(

                "name", "description", new MBeanParameterInfo[]{}, null, 1, new DescriptorSupport());

        test(mbeanOperationInfo, "type");

        mbeanOperationInfo = new MBeanOperationInfo(

                "name", "description", new MBeanParameterInfo[]{}, "type", -1, new DescriptorSupport());

        test(mbeanOperationInfo, "native impact");

        mbeanOperationInfo = new MBeanOperationInfo(

                "name", "description", new MBeanParameterInfo[]{}, "type", 1, null);

        test(mbeanOperationInfo, "Descriptor");

        // ----

        System.out.println("\n---Testing on MBeanParameterInfo...");

        MBeanParameterInfo mbeanParameterInfo = new MBeanParameterInfo(

                null, "type", "description", new DescriptorSupport());

        test(mbeanParameterInfo, "name");

        mbeanParameterInfo = new MBeanParameterInfo(

                "name", null, "description", new DescriptorSupport());

        test(mbeanParameterInfo, "description");

        mbeanParameterInfo = new MBeanParameterInfo(

                "name", "type", null, new DescriptorSupport());

        test(mbeanParameterInfo, "description");

        mbeanParameterInfo = new MBeanParameterInfo(

                "name", "type", "description", null);

        test(mbeanParameterInfo, "Descriptor");

        // ----

        System.out.println("\n---Testing on MBeanInfo...");

        String className = "toto";

        String description = "titi";

        MBeanAttributeInfo[] attrInfos = new MBeanAttributeInfo[]{};

        MBeanConstructorInfo[] constrInfos = new MBeanConstructorInfo[]{};

        MBeanOperationInfo[] operaInfos = new MBeanOperationInfo[]{};

        MBeanNotificationInfo[] notifInfos = new MBeanNotificationInfo[]{};

        MBeanInfo minfo = new MBeanInfo(null, description, attrInfos, constrInfos, operaInfos, notifInfos);

        test(minfo, "class name");

        minfo = new MBeanInfo(className, description, attrInfos, constrInfos, operaInfos, notifInfos);

        test(minfo, "name");

        minfo = new MBeanInfo(className, null, attrInfos, constrInfos, operaInfos, notifInfos);

        test(minfo, "description");

        minfo = new MBeanInfo(className, description, null, constrInfos, operaInfos, notifInfos);

        test(minfo, "attrInfos");

        minfo = new MBeanInfo(className, description, attrInfos, constrInfos, null, notifInfos);

        test(minfo, "operaInfos");

        minfo = new MBeanInfo(className, description, attrInfos, constrInfos, operaInfos, null);

        test(minfo, "notifInfos");

        Thread.sleep(100);

        if (failed > 0) {

            throw new RuntimeException("Test failed: "+failed);

        } else {

            System.out.println("---Test: PASSED");

        }

    }

    private static void test(Object obj, String param) {

        try {

            obj.hashCode();

            System.out.println("OK: "+obj.getClass().getSimpleName()+".hashCode worked with a null "+param);

        } catch (NullPointerException npe) {

            System.out.println("--->KO!!! "+obj.getClass().getSimpleName()+".hashCode got NPE with a null "+param);

            failed++;

        }

        try {

            obj.toString();

            System.out.println("OK: "+obj.getClass().getSimpleName()+".toString worked with a null "+param);

        } catch (NullPointerException npe) {

            System.out.println("--->KO!!! "+obj.getClass().getSimpleName()+".toString got NPE.");

            failed++;

        }

    }

}