Base32DecodeBenchmarks.cs

using System;
using BenchmarkDotNet.Attributes;

namespace Base32Benchmarks
{
    // <ItemGroup>
    //     <PackageReference Include = "Albireo.Base32" Version="1.2.0" />
    //     <PackageReference Include = "BenchmarkDotNet" Version="0.12.1" />
    //     <PackageReference Include = "deniszykov.BaseN" Version="3.0.0" />
    //     <PackageReference Include = "SimpleBase" Version="3.0.2" />
    //     <PackageReference Include = "Wiry.Base32" Version="1.1.1" />
    // </ItemGroup>

    public class Base32DecodeBenchmarks
    {
        private const int N = 20 * 1024 * 1024;
        private readonly string _base32Text;
        private readonly string _base64Text;

        public Base32DecodeBenchmarks()
        {
            var data = new byte[N];
            new Random(42).NextBytes(data);
            _base32Text = deniszykov.BaseN.Base32Convert.ToString(data);
            _base64Text = deniszykov.BaseN.Base64Convert.ToString(data);
        }

        [Benchmark(Baseline = true)]
        public void System_Convert_FromBase64String()
        {
            _ = Convert.FromBase64String(_base64Text);
        }

        [Benchmark]
        public void BaseN_Base64Convert_ToBytes()
        {
            _ = deniszykov.BaseN.Base64Convert.ToBytes(_base64Text);
        }

        [Benchmark]
        public void BaseN_Base32Convert_ToBytes()
        {
            _ = deniszykov.BaseN.Base32Convert.ToBytes(_base32Text);
        }

        [Benchmark]
        public void Wiry_Base32Encoding_Standard_ToBytes()
        {
            _ = Wiry.Base32.Base32Encoding.Standard.ToBytes(_base32Text);
        }

        [Benchmark]
        public void SimpleBase_Base32_Rfc4648_Decode()
        {
            _ = SimpleBase.Base32.Rfc4648.Decode(_base32Text);
        }

        [Benchmark]
        public void Albireo_Base32_Decode()
        {
            _ = Albireo.Base32.Base32.Decode(_base32Text);
        }
    }
}