/*

 * 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 6857159

 * @summary local schedule failed with checkcast of Thread.currentThread()

 *

 * @run shell Test6857159.sh

 */

public class Test6857159 extends Thread {

    static class ct0 extends Test6857159 {

        public void message() {

            // System.out.println("message");

        }

        public void run() {

             message();

             ct0 ct = (ct0) Thread.currentThread();

             ct.message();

        }

    }

    static class ct1 extends ct0 {

        public void message() {

            // System.out.println("message");

        }

    }

    static class ct2 extends ct0 {

        public void message() {

            // System.out.println("message");

        }

    }

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

        for (int i = 0; i < 20000; i++) {

            Thread t = null;

            switch (i % 3) {

              case 0: t = new ct0(); break;

              case 1: t = new ct1(); break;

              case 2: t = new ct2(); break;

            }

            t.start();

            t.join();

        }

    }

}