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   /*
    * Copyright 2017 The Netty Project
    *
    * The Netty Project licenses this file to you under the Apache License,
    * version 2.0 (the "License"); you may not use this file except in compliance
    * with the License. You may obtain a copy of the License at:
    *
    *   https://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
   * License for the specific language governing permissions and limitations
   * under the License.
   */
  package io.netty.handler.codec;
  
  import io.netty.microbench.util.AbstractMicrobenchmark;
  import org.openjdk.jmh.annotations.Benchmark;
  import org.openjdk.jmh.annotations.Param;
  import org.openjdk.jmh.annotations.Scope;
  import org.openjdk.jmh.annotations.State;
  import org.openjdk.jmh.annotations.Threads;
  
  @State(Scope.Benchmark)
  @Threads(16)
  public class AdvancedCodecOutputListBenchmark extends AbstractMicrobenchmark {
  
      private static final Object ELEMENT = new Object();
  
      @Param({ "1", "4" })
      public int elements;
  
      @Benchmark
      public boolean codecOutListAllocRecycle() {
          return benchmark(elements, CodecOutputList.newInstance(), CodecOutputList.newInstance(),
                  CodecOutputList.newInstance(), CodecOutputList.newInstance());
      }
  
      private static boolean benchmark(int elements, CodecOutputList list1, CodecOutputList list2,
                                       CodecOutputList list3, CodecOutputList list4) {
          return (benchmark(elements, list1) == benchmark(elements, list2)) ==
                  (benchmark(elements, list3) == benchmark(elements, list4));
      }
  
      private static boolean benchmark(int elements, CodecOutputList list) {
          for (int i = 0; i < elements; ++i) {
              list.add(ELEMENT);
          }
          list.recycle();
          return list.insertSinceRecycled();
      }
  }