public void EnumeratorTest()
{
var a = new ArraySlice <int>(0, 1, 2);
var iter = a.GetEnumerator();
Assert.IsTrue(iter.MoveNext());
Assert.AreEqual(0, iter.Current);
Assert.IsTrue(iter.MoveNext());
Assert.AreEqual(1, iter.Current);
Assert.IsTrue(iter.MoveNext());
Assert.AreEqual(2, iter.Current);
Assert.IsFalse(iter.MoveNext());
a = new ArraySlice <int>((IList <int>) new List <int>()
{
0, 1, 2
});
iter = a.GetEnumerator();
Assert.IsTrue(iter.MoveNext());
Assert.AreEqual(0, iter.Current);
Assert.IsTrue(iter.MoveNext());
Assert.AreEqual(1, iter.Current);
Assert.IsTrue(iter.MoveNext());
Assert.AreEqual(2, iter.Current);
Assert.IsFalse(iter.MoveNext());
a = new ArraySlice <int>(new ArraySlice <int>(0, 1, 2));
iter = a.GetEnumerator();
Assert.IsTrue(iter.MoveNext());
Assert.AreEqual(0, iter.Current);
Assert.IsTrue(iter.MoveNext());
Assert.AreEqual(1, iter.Current);
Assert.IsTrue(iter.MoveNext());
Assert.AreEqual(2, iter.Current);
Assert.IsFalse(iter.MoveNext());
}