public void NonGenericGetEnumeratorShouldReturnAllOfTheSubString()
{
IEnumerable segment = new StringSegment("0123456", 2, 4);
IEnumerator enumerator = segment.GetEnumerator();
Assert.That(enumerator.MoveNext(), Is.True);
Assert.That(enumerator.Current, Is.EqualTo('2'));
Assert.That(enumerator.MoveNext(), Is.True);
Assert.That(enumerator.Current, Is.EqualTo('3'));
Assert.That(enumerator.MoveNext(), Is.False);
}