public void GetEnumerator() { IEnumerable enumerable = new Authors(AuthorName, AuthorStringNameEmail); var enumerator = enumerable.GetEnumerator(); Assert.IsTrue(enumerator.MoveNext()); Assert.AreEqual(AuthorName, enumerator.Current); Assert.IsTrue(enumerator.MoveNext()); Assert.AreEqual(AuthorStringNameEmail, enumerator.Current); Assert.IsFalse(enumerator.MoveNext()); }