public void FailOnDeleteInEmptyList()
{
var sut = new OneWayList <int>();
// Assert
Assert.Throws <InvalidOperationException>(() => sut.DeleteFirst());
Assert.Throws <InvalidOperationException>(() => sut.DeleteLast());
}
public void DeleteLastInList()
{
var sut = new OneWayList <int>(iarray);
var last = iarray[iarray.Length - 1];
sut.DeleteLast();
// Assert
Assert.AreNotEqual(last, sut.Tail.Value);
Assert.AreEqual(iarray.Length - 1, sut.Count);
}