/*

 * Copyright (c) 2009, 2016, 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

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 * questions.

 */

/**

 * @test

 * @bug 6857159

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

 * @library /test/lib

 * @modules java.base/jdk.internal.misc

 *          java.management

 *

 * @run driver compiler.c2.Test6857159

 */

package compiler.c2;

import jdk.test.lib.process.OutputAnalyzer;

import jdk.test.lib.process.ProcessTools;

public class Test6857159 {

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

        String className = Test.class.getName();

        OutputAnalyzer analyzer = ProcessTools.executeTestJvm("-Xbatch",

                "-XX:+PrintCompilation",

                "-XX:CompileOnly="+ className + "$ct::run",

                className);

        analyzer.shouldNotContain("COMPILE SKIPPED");

        analyzer.shouldContain(className + "$ct0::run (16 bytes)");

        analyzer.shouldHaveExitValue(0);

    }

    static class Test extends Thread {

        static class ct0 extends Test {

            public void message() {

            }

            public void run() {

                message();

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

                ct.message();

            }

        }

        static class ct1 extends ct0 {

            public void message() {

            }

        }

        static class ct2 extends ct0 {

            public void 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();

            }

        }

    }

}