/// <summary>
/// Тело работы с листом по 1ой лабе
/// </summary>
/// <param name="list"></param>
private void Body(DoublyList <int> list)
{
while (true)
{
var exit = false;
WriteWhatWant();
var answer = GetAnswer();
if (answer == null)
{
continue;
}
switch (answer)
{
case 1:
WriteDoublyList(list);
break;
case 2:
WriteReverseDoublyList(list);
break;
case 3:
FindInDoublyList(list);
break;
case 4:
ReverseFindInDoublyList(list);
break;
case 5:
AddAfter(ref list);
break;
case 6:
AddBefore(ref list);
break;
case 7:
Delete(ref list);
break;
case 0:
exit = true;
break;
default:
Console.WriteLine("Такого значения нет! Попробуй еще раз...");
break;
}
if (exit)
{
break;
}
}
}
/// <summary>
/// Вывод обратного листа на экран
/// </summary>
/// <param name="list"></param>
private void WriteReverseDoublyList(DoublyList <int> doublyList)
{
var list = doublyList.GetReversList();
Console.Write("Все элементы в обратном порядке: ");
WriteList(list);
}
/// <summary>
/// Вывод листа на экран
/// </summary>
/// <param name="list"></param>
private void WriteDoublyList(DoublyList <int> doublyList)
{
var list = doublyList.GetList();
Console.Write("Все элементы: ");
WriteList(list);
}
public void ClearTest()
{
DoublyList <int> list = new DoublyList <int>();
for (int i = 1; i <= 5; i++)
{
;
}
list.Clear();
}
/// <summary>
/// Инициализация листа
/// </summary>
/// <returns></returns>
private DoublyList <int> InitDoublyList()
{
var list = new DoublyList <int>();
for (var i = 0; i < ValueCount; i++)
{
list.Add(RandomValue());
}
return(list);
}
public void AddLastTest()
{
DoublyList <int> list = new DoublyList <int>();
for (int i = 1; i <= 10; i++)
{
list.AddLast(i);
}
Assert.AreEqual(list.Head.Data, 1);
Assert.AreEqual(list.Tail.Data, 10);
}
/// <summary>
/// Удаление элемента
/// </summary>
/// <param name="doublyList"></param>
private void Delete(ref DoublyList <int> doublyList)
{
Console.WriteLine("Какой элемент нужно удалить?");
var answer = GetAnswer();
if (answer == null)
{
return;
}
doublyList.Remove(answer.Value);
}
public void GetDataLastTest()
{
DoublyList <int> list = new DoublyList <int>();
for (int i = 1; i <= 5; i++)
{
list.AddLast(i);
}
Assert.AreEqual(list.GetDataLast(4), 1);
Assert.Catch <IndexOutOfRangeException>(() => list.GetDataLast(10));
Assert.Pass();
}
public void FindLastTest()
{
DoublyList <int> list = new DoublyList <int>();
for (int i = 1; i <= 5; i++)
{
list.AddLast(i);
}
Assert.AreEqual(list.FindLast(5), 0);
Assert.AreEqual(list.FindLast(6), -1);
Assert.Pass();
}
public void RemoveTest()
{
DoublyList <int> list = new DoublyList <int>();
list.Remove(5);
for (int i = 1; i <= 5; i++)
{
list.AddLast(i);
}
list.Remove(3);
list.Remove(6);
Assert.AreEqual(list.Head.Next.Next.Data, 4);
Assert.Pass();
}
public void RemoveLastTest()
{
DoublyList <int> list = new DoublyList <int>();
list.RemoveLast();
for (int i = 1; i <= 5; i++)
{
list.AddLast(i);
}
list.RemoveLast();
Assert.AreEqual(list.Tail.Data, 4);
Assert.Pass();
}
/// <summary>
/// Найти элементы в обраном порядке
/// </summary>
/// <param name="doublyList"></param>
private void ReverseFindInDoublyList(DoublyList <int> doublyList)
{
Console.WriteLine("Какой элемент нужно найти?");
var answer = GetAnswer();
if (answer == null)
{
return;
}
IReadOnlyList <int> result = doublyList
.FindReverse(answer.Value)
.Select(item => item.Data)
.ToList();
Console.Write("Найденные элементы: ");
WriteList(result);
}
/// <summary>
/// Добавить до
/// </summary>
/// <param name="doublyList"></param>
private void AddBefore(ref DoublyList <int> doublyList)
{
Console.WriteLine("До какого элемента нужно добавить?");
var answer = GetAnswer();
if (answer == null)
{
return;
}
Console.WriteLine("Какой элемент добавить?");
var value = GetAnswer();
if (value == null)
{
return;
}
doublyList.AddBefore(value.Value, answer.Value);
}