public void PersonToString()
 {
     string[] fullnames =
     {
         "Alfred Barry Cooper",
         "Alfred Cooper",
         "Alfred Barry Cooper Dent",
     };
     foreach (string name in fullnames)
     {
         Person person = new name_sorter.Person(name);
         Assert.AreEqual(name, person.ToString());
     }
 }
 public void CreatePerson()
 {
     Person person = new name_sorter.Person("Alfred Barry Cooper");
 }