/*

 * Copyright (c) 2018, 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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 */

package org.openjdk.bench.java.util;

import org.openjdk.jmh.annotations.Benchmark;

import org.openjdk.jmh.annotations.BenchmarkMode;

import org.openjdk.jmh.annotations.Measurement;

import org.openjdk.jmh.annotations.Mode;

import org.openjdk.jmh.annotations.OutputTimeUnit;

import org.openjdk.jmh.annotations.Param;

import org.openjdk.jmh.annotations.Scope;

import org.openjdk.jmh.annotations.Setup;

import org.openjdk.jmh.annotations.State;

import org.openjdk.jmh.annotations.Warmup;

import java.util.Arrays;

import java.util.concurrent.TimeUnit;

@BenchmarkMode(Mode.AverageTime)

@OutputTimeUnit(TimeUnit.NANOSECONDS)

@State(Scope.Thread)

public class ArraysFill {

    @Param({"10", "266", "2048"})

    public int size;

    public byte[] testByteArray;

    public char[] testCharArray;

    public short[] testShortArray;

    public int[] testIntArray;

    public long[] testLongArray;

    public float[] testFloatArray;

    public double[] testDoubleArray;

    @Setup

    public void setup() {

        testByteArray = new byte[size];

        testCharArray = new char[size];

        testShortArray = new short[size];

        testIntArray = new int[size];

        testLongArray = new long[size];

        testFloatArray = new float[size];

        testDoubleArray = new double[size];

    }

    @Benchmark

    @Warmup(iterations = 3)

    @Measurement(iterations = 3)

    public void testCharFill() {

        Arrays.fill(testCharArray, (char) -1);

    }

    @Benchmark

    @Warmup(iterations = 3)

    @Measurement(iterations = 3)

    public void testByteFill() {

        Arrays.fill(testByteArray, (byte) -1);

    }

    @Benchmark

    @Warmup(iterations = 3)

    @Measurement(iterations = 3)

    public void testShortFill() {

        Arrays.fill(testShortArray, (short) -1);

    }

    @Benchmark

    @Warmup(iterations = 3)

    @Measurement(iterations = 3)

    public void testIntFill() {

        Arrays.fill(testIntArray, -1);

    }

    @Benchmark

    @Warmup(iterations = 3)

    @Measurement(iterations = 3)

    public void testLongFill() {

        Arrays.fill(testLongArray, -1);

    }

    @Benchmark

    @Warmup(iterations = 3)

    @Measurement(iterations = 3)

    public void testFloatFill() {

        Arrays.fill(testFloatArray, (float) -1.0);

    }

    @Benchmark

    @Warmup(iterations = 3)

    @Measurement(iterations = 3)

    public void testDoubleFill() {

        Arrays.fill(testDoubleArray, -1.0);

    }

}