/*

 * 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

 * @summary it is new version of old test which was

 *          /src/share/test/serialization/piotest.java

 *          Test of serialization/deserialization of

 *          objects with BinaryTree types

 */

import java.io.*;

public class BinaryTree {

    public static void main (String argv[]) {

        System.err.println("\nRegression test for testing of " +

            "serialization/deserialization of objects " +

            "with BinaryTree types \n");

        try {

            BinaryTreeTest base = new BinaryTreeTest(2);

            FileOutputStream ostream = new FileOutputStream("piotest3.tmp");

            try {

                ObjectOutputStream p = new ObjectOutputStream(ostream);

                p.writeObject(null);

                p.writeObject(base);

                p.flush();

            } finally {

                ostream.close();

            }

            FileInputStream istream = new FileInputStream("piotest3.tmp");

            try {

                ObjectInputStream q = new ObjectInputStream(istream);

                Object n = q.readObject();

                if (n != null) {

                    System.err.println("\nnull read as " + n);

                }

                BinaryTreeTest nbase = (BinaryTreeTest)q.readObject();

                if (!base.equals(nbase)) {

                    System.err.println("\nTEST FAILED: BinaryTree read " +

                        "incorrectly.");

                    throw new Error();

                }

            } finally {

                istream.close();

            }

            System.err.println("\nTEST PASSED");

        } catch (Exception e) {

            System.err.print("TEST FAILED: ");

            e.printStackTrace();

            throw new Error();

        }

    }

}

class BinaryTreeTest implements java.io.Serializable {

    public BinaryTreeTest left;

    public BinaryTreeTest right;

    public int id;

    public int level;

    private static int count = 0;

    public BinaryTreeTest(int l) {

        id = count++;

        level = l;

        if (l > 0) {

            left = new BinaryTreeTest(l-1);

            right = new BinaryTreeTest(l-1);

        }

    }

    public void print(int levels) {

        for (int i = 0; i < level; i++) {

            System.out.print("  ");

        }

        System.err.println("node " + id);

        if (level <= levels && left != null) {

            left.print(levels);

        }

        if (level <= levels && right != null) {

            right.print(levels);

        }

    }

    public boolean equals(BinaryTreeTest other) {

        if (other == null) {

            return false;

        }

        if (id != other.id) {

            return false;

        }

        if (left != null && !left.equals(other.left)) {

            return false;

        }

        if (right != null && !right.equals(other.right)) {

            return false;

        }

        return true;

    }

}