using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Running;

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

public class Benchmarks
{
    const string TestStr =
        ".NET Runtime uses third-party libraries or other resources that may be" +
        " distributed under licenses different than the.NET Runtime software.";

    [Benchmark]
    public int IndexOfDash() => TestStr.IndexOf('-', StringComparison.OrdinalIgnoreCase);

    [Benchmark]
    public int IndexOfL() => TestStr.IndexOf('L', StringComparison.OrdinalIgnoreCase);

    [Benchmark]
    public int IndexOfZ() => TestStr.IndexOf('z', StringComparison.OrdinalIgnoreCase);
}