static void Main(string[] args)
{
DoublyLinkedList <int> list = null;
string result = "";
// test 1
try
{
Console.WriteLine("\nTest A: Create a new list by calling 'DoublyLinkedList<int> vector = new DoublyLinkedList<int>( );'");
list = new DoublyLinkedList <int>();
Console.WriteLine(" :: SUCCESS: list's state " + list.ToString());
result = result + "A";
}
catch (Exception exception)
{
Console.WriteLine(" :: FAIL: list's state " + list.ToString());
Console.WriteLine(exception.ToString());
result = result + "-";
}
// test 2
try
{
Console.WriteLine("\nTest B: Add a sequence of numbers 2, 6, 8, 5, 1, 8, 5, 3, 5 with list.AddLast( )");
list.AddLast(2); list.AddLast(6); list.AddLast(8); list.AddLast(5); list.AddLast(1); list.AddLast(8); list.AddLast(5); list.AddLast(3); list.AddLast(5);
if (!CheckIntSequence(new int[] { 2, 6, 8, 5, 1, 8, 5, 3, 5 }, list))
{
throw new Exception("The list stores incorrect sequence of integers");
}
Console.WriteLine(" :: SUCCESS: list's state " + list.ToString());
result = result + "B";
}
catch (Exception exception)
{
Console.WriteLine(" :: FAIL: list's state " + list.ToString());
Console.WriteLine(exception.ToString());
result = result + "-";
}
// test 3
try
{
Console.WriteLine("\nTest C: Remove sequentially 4 last numbers with list.RemoveLast( )");
list.RemoveLast();
list.RemoveLast();
list.RemoveLast();
list.RemoveLast();
if (!CheckIntSequence(new int[] { 2, 6, 8, 5, 1 }, list))
{
throw new Exception("The list stores incorrect sequence of integers");
}
Console.WriteLine(" :: SUCCESS: list's state " + list.ToString());
result = result + "C";
}
catch (Exception exception)
{
Console.WriteLine(" :: FAIL: list's state " + list.ToString());
Console.WriteLine(exception.ToString());
result = result + "-";
}
// test 4
try
{
Console.WriteLine("\nTest D: Add a sequence of numbers 10, 20, 30, 40, 50 with list.AddFirst( )");
list.AddFirst(10); list.AddFirst(20); list.AddFirst(30); list.AddFirst(40); list.AddFirst(50);
if (!CheckIntSequence(new int[] { 50, 40, 30, 20, 10, 2, 6, 8, 5, 1 }, list))
{
throw new Exception("The list stores incorrect sequence of integers");
}
Console.WriteLine(" :: SUCCESS: list's state " + list.ToString());
result = result + "D";
}
catch (Exception exception)
{
Console.WriteLine(" :: FAIL: list's state " + list.ToString());
Console.WriteLine(exception.ToString());
result = result + "-";
}
// test 5
try
{
Console.WriteLine("\nTest E: Remove sequentially 3 last numbers with list.RemoveFirst( )");
list.RemoveFirst();
list.RemoveFirst();
list.RemoveFirst();
if (!CheckIntSequence(new int[] { 20, 10, 2, 6, 8, 5, 1 }, list))
{
throw new Exception("The list stores incorrect sequence of integers");
}
Console.WriteLine(" :: SUCCESS: list's state " + list.ToString());
result = result + "E";
}
catch (Exception exception)
{
Console.WriteLine(" :: FAIL: list's state " + list.ToString());
Console.WriteLine(exception.ToString());
result = result + "-";
}
INode <int> node1 = null;
// test 6
try
{
Console.WriteLine("\nTest F: Run a sequence of operations: ");
Console.WriteLine("list.Find(40);");
if (list.Find(40) == null)
{
Console.WriteLine(" :: SUCCESS: list's state " + list.ToString());
}
else
{
throw new Exception("40 must no longer be in the list");
}
Console.WriteLine("list.Find(0);");
if (list.Find(0) == null)
{
Console.WriteLine(" :: SUCCESS: list's state " + list.ToString());
}
else
{
throw new Exception("0 must not be in the list");
}
Console.WriteLine("list.Find(2);");
node1 = list.Find(2);
if (node1 != null && node1.Value == 2)
{
Console.WriteLine(" :: SUCCESS: list's state " + list.ToString());
}
else
{
throw new Exception("2 must be in the list, but 'list.Find(2)' does not return the correct result");
}
result = result + "F";
}
catch (Exception exception)
{
Console.WriteLine(" :: FAIL: list's state " + list.ToString());
Console.WriteLine(exception.ToString());
result = result + "-";
}
// test 7
try
{
Console.WriteLine("\nTest G: Run a sequence of operations: ");
Console.WriteLine("Add {1} before the node with {0} with list.AddBefore({0},{1})", node1.Value, 100);
list.AddBefore(node1, 100);
if (!CheckIntSequence(new int[] { 20, 10, 100, 2, 6, 8, 5, 1 }, list))
{
throw new Exception("The list stores incorrect sequence of integers");
}
Console.WriteLine(" :: SUCCESS: list's state " + list.ToString());
Console.WriteLine("Add {1} after the node with {0} with list.AddAfter({0},{1})", node1.Value, 200);
list.AddAfter(node1, 200);
if (!CheckIntSequence(new int[] { 20, 10, 100, 2, 200, 6, 8, 5, 1 }, list))
{
throw new Exception("The list stores incorrect sequence of integers");
}
Console.WriteLine(" :: SUCCESS: list's state " + list.ToString());
Console.WriteLine("Add {0} before node list.First with list.AddBefore(list.First,{0})", 300);
list.AddBefore(list.First, 300);
if (!CheckIntSequence(new int[] { 300, 20, 10, 100, 2, 200, 6, 8, 5, 1 }, list))
{
throw new Exception("The list stores incorrect sequence of integers");
}
Console.WriteLine(" :: SUCCESS: list's state " + list.ToString());
Console.WriteLine("Add {0} after node list.First with list.AddAfter(list.First,{0})", 400);
list.AddAfter(list.First, 400);
if (!CheckIntSequence(new int[] { 300, 400, 20, 10, 100, 2, 200, 6, 8, 5, 1 }, list))
{
throw new Exception("The list stores incorrect sequence of integers");
}
Console.WriteLine(" :: SUCCESS: list's state " + list.ToString());
Console.WriteLine("Add {0} before node list.First with list.AddBefore(list.Last,{0})", 500);
list.AddBefore(list.Last, 500);
if (!CheckIntSequence(new int[] { 300, 400, 20, 10, 100, 2, 200, 6, 8, 5, 500, 1 }, list))
{
throw new Exception("The list stores incorrect sequence of integers");
}
Console.WriteLine(" :: SUCCESS: list's state " + list.ToString());
Console.WriteLine("Add {0} after node list.First with list.AddAfter(list.Last,{0})", 600);
list.AddAfter(list.Last, 600);
if (!CheckIntSequence(new int[] { 300, 400, 20, 10, 100, 2, 200, 6, 8, 5, 500, 1, 600 }, list))
{
throw new Exception("The list stores incorrect sequence of integers");
}
Console.WriteLine(" :: SUCCESS: list's state " + list.ToString());
result = result + "G";
}
catch (Exception exception)
{
Console.WriteLine(" :: FAIL: list's state " + list.ToString());
Console.WriteLine(exception.ToString());
result = result + "-";
}
// test 8
try
{
Console.WriteLine("\nTest H: Run a sequence of operations: ");
Console.WriteLine("Remove the node list.First with list.Remove(list.First)");
list.Remove(list.First);
if (!CheckIntSequence(new int[] { 400, 20, 10, 100, 2, 200, 6, 8, 5, 500, 1, 600 }, list))
{
throw new Exception("The list stores incorrect sequence of integers");
}
Console.WriteLine(" :: SUCCESS: list's state " + list.ToString());
Console.WriteLine("Remove the node list.Last with list.Remove(list.Last)");
list.Remove(list.Last);
if (!CheckIntSequence(new int[] { 400, 20, 10, 100, 2, 200, 6, 8, 5, 500, 1 }, list))
{
throw new Exception("The list stores incorrect sequence of integers");
}
Console.WriteLine(" :: SUCCESS: list's state " + list.ToString());
Console.WriteLine("Remove the node list.Before, which is before the node containing element {0}, with list.Remove(list.Before(...))", node1.Value);
list.Remove(list.Before(node1));
if (!CheckIntSequence(new int[] { 400, 20, 10, 2, 200, 6, 8, 5, 500, 1 }, list))
{
throw new Exception("The list stores incorrect sequence of integers");
}
Console.WriteLine(" :: SUCCESS: list's state " + list.ToString());
Console.WriteLine("Remove the node containing element {0} with list.Remove(...)", node1.Value);
list.Remove(node1);
if (!CheckIntSequence(new int[] { 400, 20, 10, 200, 6, 8, 5, 500, 1 }, list))
{
throw new Exception("The list stores incorrect sequence of integers");
}
Console.WriteLine(" :: SUCCESS: list's state " + list.ToString());
result = result + "H";
}
catch (Exception exception)
{
Console.WriteLine(" :: FAIL: list's state " + list.ToString());
Console.WriteLine(exception.ToString());
result = result + "-";
}
// test 9
try
{
Console.WriteLine("\nTest I: Remove the node containing element {0}, which has been recently deleted, with list.Remove(...)", node1.Value);
list.Remove(node1);
Console.WriteLine(" :: FAIL: list's state " + list.ToString());
Console.WriteLine("Last operation is invalid and must throw InvalidOperationException. Your solution does not match specification.");
result = result + "-";
}
catch (InvalidOperationException)
{
Console.WriteLine(" :: SUCCESS: list's state " + list.ToString());
result = result + "I";
}
catch (Exception)
{
Console.WriteLine(" :: FAIL: list's state " + list.ToString());
Console.WriteLine("Last operation is invalid and must throw InvalidOperationException. Your solution does not match specification.");
result = result + "-";
}
// test 10
try
{
Console.WriteLine("\nTest J: Clear the content of the vector via calling vector.Clear();");
list.Clear();
if (!CheckIntSequence(new int[] { }, list))
{
throw new Exception("The list stores incorrect data. It must be empty.");
}
Console.WriteLine(" :: SUCCESS: list's state " + list.ToString());
result = result + "J";
}
catch (Exception exception)
{
Console.WriteLine(" :: FAIL: list's state " + list.ToString());
Console.WriteLine(exception.ToString());
result = result + "-";
}
// test 11
try
{
Console.WriteLine("\nTest K: Remove last element for the empty list with list.RemoveLast()");
list.RemoveLast();
Console.WriteLine(" :: FAIL: list's state " + list.ToString());
Console.WriteLine("Last operation is invalid and must throw InvalidOperationException. Your solution does not match specification.");
result = result + "-";
}
catch (InvalidOperationException)
{
Console.WriteLine(" :: SUCCESS: list's state " + list.ToString());
result = result + "K";
}
catch (Exception)
{
Console.WriteLine(" :: FAIL: list's state " + list.ToString());
Console.WriteLine("Last operation is invalid and must throw InvalidOperationException. Your solution does not match specification.");
result = result + "-";
}
Console.WriteLine("\n\n ------------------- SUMMARY ------------------- ");
Console.WriteLine("Tests passed: " + result);
Console.ReadKey();
}