/*

 * Copyright 2012 Skip Balk.  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 7179138

 * @summary Incorrect result with String concatenation optimization

 * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:-TieredCompilation Test7179138_1

 *

 * @author Skip Balk

 */

public class Test7179138_1 {

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

        System.out.println("Java Version: " + System.getProperty("java.vm.version"));

        long[] durations = new long[60];

        for (int i = 0; i < 100000; i++) {

            // this empty for-loop is required to reproduce this bug

            for (long duration : durations) {

                // do nothing

            }

            {

                String s = "test";

                int len = s.length();

                s = new StringBuilder(String.valueOf(s)).append(s).toString();

                len = len + len;

                s = new StringBuilder(String.valueOf(s)).append(s).toString();

                len = len + len;

                s = new StringBuilder(String.valueOf(s)).append(s).toString();

                len = len + len;

                if (s.length() != len) {

                    System.out.println("Failed at iteration: " + i);

                    System.out.println("Length mismatch: " + s.length() + " <> " + len);

                    System.out.println("Expected: \"" + "test" + "test" + "test" + "test" + "test" + "test" + "test" + "test" + "\"");

                    System.out.println("Actual:   \"" + s + "\"");

                    System.exit(97);

                }

            }

        }

    }

}