public void GetEnumeratorUntyped()
{
var enumerable = new OneTwoThreeEnumerable();
// Get untyped enumerator from IEnumerable interface.
var enumerator = ((IEnumerable)enumerable).GetEnumerator();
for (var i = 1; i <= 3; i++)
{
Assert.IsTrue(enumerator.MoveNext());
Assert.AreEqual(i, enumerator.Current);
}
Assert.IsFalse(enumerator.MoveNext());
Assert.IsFalse(enumerator.MoveNext());
}
public void GetEnumeratorTyped()
{
var enumerable = new OneTwoThreeEnumerable();
// Get typed enumerator from IEnumerable<T> inerface.
using (var enumerator = enumerable.GetEnumerator())
{
for (var i = 1; i <= 3; i++)
{
Assert.IsTrue(enumerator.MoveNext());
Assert.AreEqual(i, enumerator.Current);
}
Assert.IsFalse(enumerator.MoveNext());
Assert.IsFalse(enumerator.MoveNext());
}
}
