public void OrderBy_CanBuildExpression()
{
var mapping = new TypeMapping<IPerson, Person>();
var expression = mapping.OrderBy("p => p.Birthdate").Compile();
var persons = new List<IPerson>
{
new Person{ Id = 1, Birthdate = DateTime.Parse("1987-03-02") },
new Person{ Id = 2, Birthdate = DateTime.Parse("1987-03-01") },
};
var orderedPersons = persons.OrderBy(expression).ToList();
Assert.AreEqual(2, orderedPersons[0].Id);
}