Simple generic inheritance

using System;
using Microsoft.VisualStudio.TestTools.UnitTesting;

namespace tacGenericTest
{
    [TestClass]
    public class GenericTest
    {
        [TestMethod]
        public void Test()
        {
            Assert.AreEqual("Person", new Person().Save());
            Assert.AreEqual("Apartment", new Apartment().Save());
        }
    }

    class MongoEmu
    {
        public string Save<T>(T data)
        {
            return typeof(T).Name;
        }

    }

    public class Repository
    {
        public string Save<T>(T data)
        {
            return new MongoEmu().Save(data);
        }
    }

    public class EntityBase<T>
        where T : EntityBase<T>
    {
        public string Save()
        {
            return new Repository().Save((T) this);
        }
    }

    public class Person : EntityBase<Person>
    {
    }

    public class Apartment : EntityBase<Apartment>
    {
    }
}