Utility to renew a cancellation token correctly

CancellationTokenSourceRenew

using System.Threading;

namespace Core.Extensions
{
    public static class CancellationTokenSourceRenew
    {
        public static CancellationTokenSource Renew(this CancellationTokenSource @this)
        {
            Cancel(@this);
            return new CancellationTokenSource();
        }

        private static void Cancel(CancellationTokenSource @this)
        {
            try
            {
                @this?.Cancel();
                @this?.Dispose();
            }
            catch(ObjectDisposedException){/*Segue o jogo*/}
        }
    }
}

CancellationTokenSourceRenewTests.cs

using System.Threading;
using Core.Extensions;
using NUnit.Framework;

namespace Core.Tests.Extensions
{
    [TestFixture]
    public class CancellationTokenSourceRenewTests
    {
        [Test]
        public void DeveCancelarOTokenAtualAoRenovar()
        {
            var tokenSource = new CancellationTokenSource();
            var token = tokenSource.Token;

            tokenSource.Renew();
            
            Assert.IsTrue(token.IsCancellationRequested);
            Assert.IsTrue(tokenSource.IsCancellationRequested);
        }
        
        [Test]
        public void DeveRetornarUmaNovaInstancia()
        {
            var tokenSource = new CancellationTokenSource();

            var novoTokenSource = tokenSource.Renew();
            
            Assert.AreNotSame(tokenSource, novoTokenSource);
        }
        
        [Test]
        public void NaoDeveRetornarUmTokenSourceCancelado()
        {
            var tokenSource = new CancellationTokenSource();

            var novoTokenSource = tokenSource.Renew();
            
            Assert.IsFalse(novoTokenSource.Token.IsCancellationRequested);
            Assert.IsFalse(novoTokenSource.IsCancellationRequested);
        }

        [Test]
        public void DeveSerIdempotente()
        {
            var tokenSource = new CancellationTokenSource();
            
            tokenSource.Renew();
            tokenSource.Renew();
        }
    }
}

Implemented Idempotence principle

tests implemented