using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Running;

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

[MemoryDiagnoser(false)]
[HideColumns("Job", "Error", "StdDev", "Median", "RatioSD")]
public partial class Tests
{
    private int[] _ints;
    private Person[] _people;

    [Params(2, 100)]
    public int Length { get; set; }

    [GlobalSetup]
    public void Setup()
    {
        _ints = Enumerable.Range(0, Length).Reverse().ToArray();
        _people = _ints.Select(i => new Person { Age = i }).ToArray();
    }

    [Benchmark]
    public int Order()
    {
        int sum = 0;
        foreach (int i in _ints.Order()) sum += i;
        return sum;
    }

    [Benchmark]
    public int OrderBy()
    {
        int sum = 0;
        foreach (Person p in _people.OrderBy(p => p.Age)) sum += p.Age;
        return sum;
    }

    public struct Person
    {
        public int Age { get; set; }
    }
}