/*

 * Copyright (c) 2004, 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 5015663

 * @summary Test ObjectInstance(name,null).hashCode() and .equals()

 * @author Daniel Fuchs

 * @run clean ObjectInstanceNullTest

 * @run build ObjectInstanceNullTest

 * @run main ObjectInstanceNullTest

 */

import javax.management.*;

public class ObjectInstanceNullTest {

    public static void testEquals(ObjectInstance n1, ObjectInstance n2) {

        try {

            if (!n1.equals(n2) || !n2.equals(n1)) {

                System.err.println("Equals yields false for: "+

                                   "["+n1.getObjectName()+" , "+

                                   n1.getClassName()+"] ["+

                                   n2.getObjectName()+" , "+

                                   n2.getClassName()+"]");

                System.exit(1);

            }

        } catch (Exception x) {

            System.err.println("Equals failed for: "+

                               "["+n1.getObjectName()+" , "+

                               n1.getClassName()+"] ["+

                               n2.getObjectName()+" , "+

                               n2.getClassName()+"]: " + x);

            x.printStackTrace();

            System.exit(2);

        }

        try {

            if (n1.hashCode() != n2.hashCode()) {

                System.err.println("Different hashCode() for: "+

                                   "["+n1.getObjectName()+" , "+

                                   n1.getClassName()+"] ["+

                                   n2.getObjectName()+" , "+

                                   n2.getClassName()+"]");

                System.exit(3);

            }

        } catch (Exception x) {

            System.err.println("Hashcode failed for: "+

                               "["+n1.getObjectName()+" , "+

                               n1.getClassName()+"] ["+

                               n2.getObjectName()+" , "+

                               n2.getClassName()+"]: " + x);

            x.printStackTrace();

            System.exit(4);

        }

    }

    public static void testNotEquals(ObjectInstance n1, ObjectInstance n2) {

        try {

            if (n1.equals(n2) || n2.equals(n1)) {

                System.err.println("Equals yields true for: "+

                                   "["+n1.getObjectName()+" , "+

                                   n1.getClassName()+"] ["+

                                   n2.getObjectName()+" , "+

                                   n2.getClassName()+"]");

                System.exit(5);

            }

        } catch (Exception x) {

            System.err.println("!Equals failed for: "+

                               "["+n1.getObjectName()+" , "+

                               n1.getClassName()+"] ["+

                               n2.getObjectName()+" , "+

                               n2.getClassName()+"]: " + x);

            x.printStackTrace();

            System.exit(6);

        }

        try {

            if (n1.hashCode() == n2.hashCode()) {

                System.out.println("Warning: Same hashCode() for: "+

                                   "["+n1.getObjectName()+" , "+

                                   n1.getClassName()+"] ["+

                                   n2.getObjectName()+" , "+

                                   n2.getClassName()+"]");

            }

        } catch (Exception x) {

            System.err.println("Hashcode failed for: "+

                               "["+n1.getObjectName()+" , "+

                               n1.getClassName()+"] ["+

                               n2.getObjectName()+" , "+

                               n2.getClassName()+"]: " + x);

            x.printStackTrace();

            System.exit(7);

        }

    }

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

        System.out.println("Test ObjectInstance(name,null).equals() and " +

                           "ObjectInstance(name,null).hashCode()");

        try {

            ObjectName toto1  = new ObjectName("Toto:foo=bar");

            ObjectName toto2  = new ObjectName("Toto:bar=foo");

            ObjectName clone1 = new ObjectName("Toto:bar=foo,cloned=yes");

            ObjectName clone2 = new ObjectName("Toto:cloned=yes,bar=foo");

            ObjectInstance n1 = new ObjectInstance(toto1,null);

            ObjectInstance n2 = new ObjectInstance(toto1,null);

            testEquals(n1,n1);

            testEquals(n1,n2);

            ObjectInstance n3 = new ObjectInstance(toto1,"Object");

            ObjectInstance n4 = new ObjectInstance(toto1,"Object");

            testEquals(n3,n3);

            testEquals(n3,n4);

            testNotEquals(n1,n3);

            ObjectInstance n5 = new ObjectInstance(toto2,null);

            ObjectInstance n6 = new ObjectInstance(toto2,"Object");

            testEquals(n5,n5);

            testEquals(n6,n6);

            testNotEquals(n5,n1);

            testNotEquals(n5,n3);

            testNotEquals(n6,n1);

            testNotEquals(n6,n3);

            testNotEquals(n5,n6);

            ObjectInstance n7 = new ObjectInstance(clone1,null);

            ObjectInstance n8 = new ObjectInstance(clone2,null);

            testEquals(n7,n8);

            testNotEquals(n7,n1);

            testNotEquals(n7,n5);

            ObjectInstance n9  = new ObjectInstance(clone1,"Object");

            ObjectInstance n10 = new ObjectInstance(clone2,"Object");

            testEquals(n9,n10);

            testNotEquals(n9,n1);

            testNotEquals(n9,n5);

            testNotEquals(n9,n7);

            testNotEquals(n9,n8);

            testNotEquals(n10,n1);

            testNotEquals(n10,n5);

            testNotEquals(n10,n7);

            testNotEquals(n10,n8);

        } catch( Exception x) {

            System.err.println("Unexpected exception: " + x);

            x.printStackTrace();

            System.exit(8);

        }

    }

}