public void Clear()
{
var list = new LALinkedList <string>();
list.AddFirst("John");
list.AddFirst("Fred");
list.Clear();
Assert.IsNull(list.First);
Assert.IsNull(list.Last);
Assert.AreEqual(0, list.Count);
}
public void Enumeration_IsNeverNull()
{
var list = new LALinkedList <object>();
foreach (object o in list)
{
Assert.IsNotNull(o);
}
list.AddLast(new object());
list.AddLast(new object());
list.AddLast(new object());
foreach (object o in list)
{
Assert.IsNotNull(o);
}
list.RemoveLast();
foreach (object o in list)
{
Assert.IsNotNull(o);
}
list.RemoveFirst();
foreach (object o in list)
{
Assert.IsNotNull(o);
}
list.Clear();
foreach (object o in list)
{
Assert.IsNotNull(o);
}
}