Asn1Benchmarks.cs

using System.Numerics;
using System.Formats.Asn1;

using BenchmarkDotNet.Running;
using BenchmarkDotNet.Attributes;

BenchmarkSwitcher.FromAssembly(typeof(Program).Assembly)
    .Run(args);

[MemoryDiagnoser]
[AsciiDocExporter]
[MarkdownExporterAttribute.GitHub]
public class AsnWriterBenchmark
{
    private BigInteger _smallBigInteger;
    private BigInteger _bigBigInteger;

    private static string OidWorstCase = "1.1.1.1.1";
    private static string OidBig = "2.25.329800735698586629295641978511506172918.3";
    private static string OidMostArcs = "1.3.6.1.4.1.311.60.2.1.1";

    [GlobalSetup]
    public void GlobalSetup()
    {
        _smallBigInteger = BigInteger.Parse("-1339673755198158349044581307228491520");
        _bigBigInteger = BigInteger.Parse("207545550571844404676608632512851454930111394466749205318948660756381" +
            "523214360115124048083611193260260272384440199925180817531535965931647" +
            "037093368608713442955529617501657176146245891571745113402870077189045" +
            "116705181899983704226178882882602868159586789723579670915035003754974" +
            "985730226756711782751711104985926458681071638525996766798322809764200" +
            "941677343791419428587801897366593842552727222686457866144928124161967" +
            "521735393182823375650694786333059783380738262856873316471830589717911" +
            "537307419734834201104082715701367336140572971505716740825623220507359" +
            "42929758463490933054115079473593821332264673455059897928082590541");
    }

    [Benchmark]
    public void WriteInteger_Small()
    {
        var writer = new AsnWriter(AsnEncodingRules.DER);
        writer.WriteInteger(_smallBigInteger);
    }

    [Benchmark]
    public void WriteInteger_Big()
    {
        var writer = new AsnWriter(AsnEncodingRules.DER);
        writer.WriteInteger(_bigBigInteger);
    }

    [Benchmark]
    public void WriteOid_WorstCase()
    {
        var writer = new AsnWriter(AsnEncodingRules.DER);
        writer.WriteObjectIdentifier(OidWorstCase);
    }

    [Benchmark]
    public void WriteOid_Big()
    {
        var writer = new AsnWriter(AsnEncodingRules.DER);
        writer.WriteObjectIdentifier(OidBig);
    }

    [Benchmark]
    public void WriteOid_OidMostArcs()
    {
        var writer = new AsnWriter(AsnEncodingRules.DER);
        writer.WriteObjectIdentifier(OidMostArcs);
    }
}

[MemoryDiagnoser]
public class AsnReaderBenchmark
{
    private static byte[] _bigInteger = Convert.FromHexString(
        "0282010100A46861FA9D5DB763633BF5A64EF6E7C2C2367F48D2D46643A22DFC" +
        "FCCB24E58A14D0F06BDC956437F2A56BA4BEF70BA361BF12964A0D665AFD84B0" +
        "F7494C8FA4ABC5FCA2E017C06178AEF2CDAD1B5F18E997A14B965C074E8F5649" +
        "70607276B00583932240FE6E2DD013026F9AE13D7C91CC07C4E1E8E87737DC06" +
        "EF2B575B89D62EFE46859F8255A123692A706C68122D4DAFE11CB205A7B3DE06" +
        "E553F7B95F978EF8601A8DF819BF32040BDF92A0DE0DF269B4514282E17AC699" +
        "34E8440A48AB9D1F5DF89A502CEF6DFDBE790045BD45E0C94E5CA8ADD76A013E" +
        "9C978440FC8A9E2A9A4940B2460819C3E302AA9C9F355AD754C86D3ED77DDAA3" +
        "DA13810B4D");

    [Benchmark]
    public BigInteger ReadInteger_BigInteger()
    {
        var reader = new AsnReader(_bigInteger, AsnEncodingRules.DER);
        return reader.ReadInteger();
    }
}