//this method test PeekHead() function
public void PushBack123_1returned()
{
int expected = 1;
int list_buffer;
simple_ds.Structures.DoubleLinkedList <int> list = new simple_ds.Structures.DoubleLinkedList <int>();
for (var number = 1; number <= 3; ++number)
{
list.PushBack(number);
}
list_buffer = list.PeekHead();
Assert.AreEqual(expected, list_buffer);
}
//this method test GetElementFromBack() function
public void PushBack1234_3returned()
{
int expected = 3;
int list_buffer;
simple_ds.Structures.DoubleLinkedList <int> list = new simple_ds.Structures.DoubleLinkedList <int>();
for (var number = 1; number <= 4; ++number)
{
list.PushBack(number);
}
list_buffer = list.GetElementFromBack(2);
Assert.AreEqual(expected, list_buffer);
}
//this method test RemoveTail() function
public void PushBack23_3returned()
{
int expected = 3;
int list_buffer;
simple_ds.Structures.DoubleLinkedList <int> list = new simple_ds.Structures.DoubleLinkedList <int>();
for (var number = 2; number <= 3; ++number)
{
list.PushBack(number);
}
list_buffer = list.RemoveTail();
Assert.AreEqual(expected, list_buffer);
}
//this method test Reverse() function
public void PushBack12345_54321returned()
{
string expected = "54321";
string list_buffer = "";
simple_ds.Structures.DoubleLinkedList <int> list = new simple_ds.Structures.DoubleLinkedList <int>();
for (var number = 1; number <= 5; ++number)
{
list.PushBack(number);
}
list.Reverse();
while (!list.isEmpty())
{
list_buffer += list.RemoveHead();
}
Assert.AreEqual(expected, list_buffer);
}
