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 * 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.

 *

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 */

/* @test

   @bug 8030702

   @summary Deadlock between subclass of AbstractDocument and UndoManager

   @author Semyon Sadetsky

  */

import javax.swing.text.PlainDocument;

import javax.swing.text.StringContent;

import javax.swing.undo.UndoManager;

import java.text.DecimalFormat;

import java.text.Format;

import java.util.concurrent.CyclicBarrier;

public class AbstractDocumentUndoConcurrentTest {

    static  CyclicBarrier barrier = new CyclicBarrier(3);

    private static PlainDocument doc1;

    private static PlainDocument doc2;

    private static Format format1 = new DecimalFormat("<Test1 0000>");

    private static Format format2 = new DecimalFormat("<Test22 0000>");

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

        test();

        System.out.println(doc1.getText(0, doc1.getLength()));

        System.out.println(doc2.getText(0, doc2.getLength()));

        System.out.println("ok");

    }

    private static void test() throws Exception {

        doc1 = new PlainDocument(new StringContent());

        final UndoManager undoManager = new UndoManager();

        doc1.addUndoableEditListener(undoManager);

        doc1.insertString(0, "<Test1 XXXX>", null);

        doc2 = new PlainDocument(new StringContent());

        doc2.addUndoableEditListener(undoManager);

        doc2.insertString(0, "<Test22 XXXX>", null);

        Thread t1 = new Thread("Thread doc1") {

            @Override

            public void run() {

                try {

                    barrier.await();

                    for (int i = 0; i < 1000; i++) {

                        doc1.insertString(0, format1.format(i), null);

                        if(doc1.getLength() > 100) doc1.remove(0, 12);

                    }

                } catch (Exception e) {

                    throw new RuntimeException(e);

                }

                System.out.println("t1 done");

            }

        };

        Thread t2 = new Thread("Thread doc2") {

            @Override

            public void run() {

                try {

                    barrier.await();

                    for (int i = 0; i < 1000; i++) {

                        doc2.insertString(0, format2.format(i), null);

                        if(doc2.getLength() > 100) doc2.remove(0, 13);

                    }

                } catch (Exception e) {

                    throw new RuntimeException(e);

                }

                System.out.println("t2 done");

            }

        };

        Thread t3 = new Thread("Undo/Redo Thread") {

            @Override

            public void run() {

                try {

                    barrier.await();

                } catch (Exception e) {

                    e.printStackTrace();

                }

                for (int i = 0; i < 1000; i++) {

                    if(undoManager.canUndoOrRedo()) {

                        undoManager.undoOrRedo();

                    }

                    if(undoManager.canUndo()) {

                        undoManager.undo();

                    }

                }

                System.out.println("t3 done");

            }

        };

        t1.start();

        t2.start();

        t3.start();

        t1.join();

        t2.join();

        t3.join();

    }

}