public void SetInIteratorTest()
{
ExtendedOneWayLinkedListWithHead <int> lista = new ExtendedOneWayLinkedListWithHead <int>();
lista.Add(1);
lista.Add(2);
lista.Add(3);
ListIterator <int> iterator = lista.GetListIterator();
Assert.ThrowsException <System.IndexOutOfRangeException>(() => iterator.Set(8));
while (iterator.HasNext())
{
iterator.Next();
iterator.Set(8);
}
List <int> lista2 = new List <int> {
8, 8, 8
};
Assert.AreEqual(lista2.Count, lista.Count);
IEnumerator <int> iterator1 = lista.GetEnumerator();
IEnumerator <int> iterator2 = lista2.GetEnumerator();
while (iterator1.MoveNext() && iterator2.MoveNext())
{
Assert.AreEqual(iterator1.Current, iterator2.Current);
}
}
public void SecondRunOfIteratorTest()
{
ExtendedOneWayLinkedListWithHead <int> lista = new ExtendedOneWayLinkedListWithHead <int>();
lista.Add(1);
lista.Add(2);
lista.Add(3);
List <int> actual = new List <int>();
foreach (int i in lista)
{
actual.Add(i);
}
foreach (int i in lista)
{
actual.Add(i);
}
List <int> lista2 = new List <int> {
1, 2, 3, 1, 2, 3
};
Assert.AreEqual(lista2.Count, actual.Count);
IEnumerator <int> iterator1 = actual.GetEnumerator();
IEnumerator <int> iterator2 = lista2.GetEnumerator();
while (iterator1.MoveNext() && iterator2.MoveNext())
{
Assert.AreEqual(iterator1.Current, iterator2.Current);
}
}
public void ForwardAndBackIteratorTest()
{
ExtendedOneWayLinkedListWithHead <int> lista = new ExtendedOneWayLinkedListWithHead <int>();
lista.Add(1);
lista.Add(2);
lista.Add(3);
List <int> actual = new List <int>();
ListIterator <int> iterator = lista.GetListIterator();
actual.Add(iterator.Next());
actual.Add(iterator.Next());
actual.Add(iterator.Previous());
actual.Add(iterator.Next());
actual.Add(iterator.Next());
while (iterator.HasPrevious())
{
actual.Add(iterator.Previous());
}
Assert.ThrowsException <System.IndexOutOfRangeException>(() => iterator.Previous());
List <int> lista2 = new List <int> {
1, 2, 2, 2, 3, 3, 2, 1
};
Assert.AreEqual(lista2.Count, actual.Count);
IEnumerator <int> iterator1 = actual.GetEnumerator();
IEnumerator <int> iterator2 = lista2.GetEnumerator();
while (iterator1.MoveNext() && iterator2.MoveNext())
{
Assert.AreEqual(iterator1.Current, iterator2.Current);
}
}
public void AddInIteratorTest()
{
ExtendedOneWayLinkedListWithHead <int> lista = new ExtendedOneWayLinkedListWithHead <int>();
lista.Add(1);
lista.Add(2);
lista.Add(3);
ListIterator <int> iterator = lista.GetListIterator();
List <int> actual = new List <int>();
while (iterator.HasNext())
{
actual.Add(iterator.Next());
iterator.Add(8);
actual.Add(iterator.Previous());
actual.Add(iterator.Next());
}
List <int> lista2 = new List <int> {
1, 8, 8, 2, 8, 8, 3, 8, 8
};
Assert.AreEqual(lista2.Count, actual.Count);
IEnumerator <int> iterator1 = actual.GetEnumerator();
IEnumerator <int> iterator2 = lista2.GetEnumerator();
while (iterator1.MoveNext() && iterator2.MoveNext())
{
Assert.AreEqual(iterator1.Current, iterator2.Current);
}
lista2 = new List <int> {
1, 8, 2, 8, 3, 8
};
Assert.AreEqual(lista2.Count, lista.Count);
iterator1 = lista.GetEnumerator();
iterator2 = lista2.GetEnumerator();
while (iterator1.MoveNext() && iterator2.MoveNext())
{
Assert.AreEqual(iterator1.Current, iterator2.Current);
}
}
public void IteratorTest()
{
ExtendedOneWayLinkedListWithHead <int> lista = new ExtendedOneWayLinkedListWithHead <int>();
lista.Add(1);
lista.Add(2);
lista.Add(3);
List <int> lista2 = new List <int> {
1, 2, 3
};
Assert.AreEqual(lista2.Count, lista.Count);
IEnumerator <int> iterator1 = lista.GetEnumerator();
IEnumerator <int> iterator2 = lista2.GetEnumerator();
while (iterator1.MoveNext() && iterator2.MoveNext())
{
Assert.AreEqual(iterator1.Current, iterator2.Current);
}
}
public void RemoveInIteratorTest()
{
ExtendedOneWayLinkedListWithHead <int> lista = new ExtendedOneWayLinkedListWithHead <int>();
lista.Add(1);
lista.Add(2);
lista.Add(3);
List <int> actual = new List <int>();
ListIterator <int> iterator = lista.GetListIterator();
Assert.ThrowsException <System.IndexOutOfRangeException>(() => iterator.Remove());
while (iterator.HasNext())
{
iterator.Next();
iterator.Remove();
Assert.ThrowsException <System.IndexOutOfRangeException>(() => iterator.Remove());
}
Assert.ThrowsException <System.IndexOutOfRangeException>(() => iterator.Next());
Assert.AreEqual(0, actual.Count);
}
