/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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
 *
 *   http://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
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 */
package org.apache.parquet.column.values.delta.benchmark;

import com.carrotsearch.junitbenchmarks.BenchmarkOptions;
import com.carrotsearch.junitbenchmarks.annotation.AxisRange;
import com.carrotsearch.junitbenchmarks.annotation.BenchmarkMethodChart;
import java.util.Random;
import org.apache.parquet.bytes.DirectByteBufferAllocator;
import org.apache.parquet.column.values.ValuesWriter;
import org.apache.parquet.column.values.rle.RunLengthBitPackingHybridValuesWriter;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;

@AxisRange(min = 0, max = 2)
@BenchmarkMethodChart(filePrefix = "benchmark-encoding-writing-random-small")
public class SmallRangeWritingBenchmarkTest extends RandomWritingBenchmarkTest {
  @BeforeAll
  public static void prepare() {
    Random random = new Random();
    data = new int[100000 * blockSize];
    for (int i = 0; i < data.length; i++) {
      data[i] = random.nextInt(2) - 1;
    }
  }

  @BenchmarkOptions(benchmarkRounds = 10, warmupRounds = 2)
  @Test
  public void writeRLEWithSmallBitWidthTest() {
    ValuesWriter writer = new RunLengthBitPackingHybridValuesWriter(2, 100, 20000, new DirectByteBufferAllocator());
    runWriteTest(writer);
  }
}
