/*
 * Copyright (c) 2014, Oracle America, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 *  * Neither the name of Oracle nor the names of its contributors may be used
 *    to endorse or promote products derived from this software without
 *    specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.sample;

import java.util.concurrent.TimeUnit;
import org.openjdk.jmh.annotations.*;

@State(Scope.Benchmark)
@Warmup(iterations = 7, time = 1, timeUnit = TimeUnit.SECONDS)
@Measurement(iterations = 7, time = 1, timeUnit = TimeUnit.SECONDS)
@Fork(3)
public class MyBenchmark {

    @Param({
  "0",  "1",  "2",  "3",  "4",  "5",  "6",
  "7",  "8",  "9", "10", "11", "12", "13",
 "14", "15", "16", "17", "18", "19", "20",
 "21", "22"
})
    private int s2len;

    static int i = 0;

    static final String src = "1234567890qwertyuiopasdfghjklzxcvbnm";
    static final String s1 = "ABCDEFG";
    static String s2;

    @Setup
    public void setup() {
        s2 = "";
        for (int j = 0; j < s2len; ++j) {
            s2 += src.charAt(i);
            i = (i + 1023) % src.length();
        }
    }

    @Benchmark
    public String test15() {
        return new StringBuilder(15)
            .append(s1)
            .append(s2)
            .append("abcdefg")
            .toString();
    }

    @Benchmark
    public String test17() {
        return new StringBuilder(17)
            .append(s1)
            .append(s2)
            .append("abcdefg")
            .toString();
    }
}