using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Diagnosers;
using System.Collections.Generic;

[MemoryDiagnoser]
public class Benchmarks
{
    private IEnumerable<ODataPropertyInfo> properties;

    public Benchmarks()
    {
        List<ODataPropertyInfo> properties = new()
        {
            new ODataProperty { Name = "A", Value = 1 },
            new ODataProperty { Name = "A", Value = 1 },
            new ODataProperty { Name = "A", Value = 1 },
            new ODataProperty { Name = "A", Value = 1 },
            new ODataProperty { Name = "A", Value = 1 },
            new ODataProperty { Name = "A", Value = 1 },
            new ODataProperty { Name = "A", Value = 1 },
            new ODataProperty { Name = "A", Value = 1 },
            new ODataPropertyInfo { Name = "A" },
            new ODataProperty { Name = "A", Value = 1 },
            new ODataProperty { Name = "A", Value = 1 },
            new ODataProperty { Name = "A", Value = 1 },
            new ODataProperty { Name = "A", Value = 1 },
            new ODataPropertyInfo { Name = "A" },
            new ODataProperty { Name = "A", Value = 1 },
            new ODataProperty { Name = "A", Value = 1 },
        };

        this.properties = properties;
    }

    [Benchmark]
    public int CountPropertyValues_WithNestedCondition()
    {
        int count = 0;
        foreach (ODataPropertyInfo propertyInfo in properties)
        {
            if (propertyInfo is ODataProperty property) {
                count += property.Value;
            }
        }

        return count;
    }

    [Benchmark]
    public int CountPropertyValues_WithOfType()
    {
        int count = 0;
        foreach (ODataProperty property in properties.OfType<ODataProperty>())
        {
            count += property.Value;
        }

        return count;
    }
}

public class ODataPropertyInfo
{
    public string Name { get; set; }
}

public class ODataProperty : ODataPropertyInfo
{
    public int Value { get; set; }
}