public void TestQueue()
{
Console.WriteLine("DataStructuresTester: Testing Queue");
Queue <int> q = new Queue <int>(1);
//tests on empty queue
Console.WriteLine($"GetSize should be 0: {q.GetSize()}");
Console.WriteLine($"IsFull should be false: {q.IsFull()}");
Console.WriteLine($"IsEmpty should be true: {q.IsEmpty()}");
Console.WriteLine($"Contains should be false: {q.Contains(1)}");
Console.WriteLine($"Calling Dequeue on empty Queue should throw exception");
try
{
Console.WriteLine($"Dequeue: {q.Dequeue()}");
}
catch (System.InvalidOperationException)
{
Console.WriteLine($"Error successfully thrown");
}
//tests on full queue
Console.WriteLine($"Enqueue should be true: {q.Enqueue(1)}");
Console.WriteLine($"GetSize should be 1: {q.GetSize()}");
Console.WriteLine($"IsFull should be true: {q.IsFull()}");
Console.WriteLine($"IsEmpty should be false: {q.IsEmpty()}");
Console.WriteLine($"Enqueue should be false: {q.Enqueue(1)}");
//testing contains on populated queue
Console.WriteLine($"Contains should be true: {q.Contains(1)}");
Console.WriteLine($"Contains should be false: {q.Contains(0)}");
//test after emptying queue
Console.WriteLine($"Calling Dequeue on full Queue should not throw exception");
try
{
Console.WriteLine($"Dequeue: {q.Dequeue()}");
}
catch (System.InvalidOperationException)
{
Console.WriteLine($"Error erroneously thrown");
}
Console.WriteLine($"Enqueue should be true: {q.Enqueue(1)}");
q.Empty();
Console.WriteLine($"Emptied Queue");
Console.WriteLine($"GetSize should be 0: {q.GetSize()}");
Console.WriteLine($"IsFull should be false: {q.IsFull()}");
Console.WriteLine($"IsEmpty should be true: {q.IsEmpty()}");
Console.WriteLine($"Contains should be false: {q.Contains(1)}");
}
static void Main(string[] args)
{
int choice;
int innerChoice = 0;
Console.WriteLine("------------------------Data Structures--------------------------");
Console.WriteLine("1. Stack");
Console.WriteLine("2. Queue");
Console.WriteLine("3. Linked List");
int.TryParse(Console.ReadLine(), out choice);
switch (choice)
{
case 1:
Stack stack = new Stack();
while (true)
{
Console.WriteLine("1. Add");
Console.WriteLine("2. Remove");
Console.WriteLine("3. Display");
Console.WriteLine("4. Sort");
Console.WriteLine("5. Get Top Value");
Console.WriteLine("6. Exit from Stack");
choice = int.Parse(Console.ReadLine());
switch (choice)
{
case 1:
Console.WriteLine("Enter Element to be Inserted");
stack.Add(int.Parse(Console.ReadLine()));
break;
case 2:
Console.WriteLine("Removed " + stack.Remove() + " from the top of the stack");
break;
case 3:
stack.Display();
break;
case 4:
stack.Sort();
Console.WriteLine("Sorted Stack");
stack.Display();
break;
case 5:
Console.WriteLine("The Top Value of Stack=" + stack.GetTop());
break;
case 6:
innerChoice = 1;
break;
default:
Console.WriteLine("Wrong Choice");
break;
}
if (innerChoice == 1)
{
innerChoice = 0;
break;
}
}
break;
case 2:
Queue queue = new Queue();
while (true)
{
Console.WriteLine("1. Add");
Console.WriteLine("2. Remove");
Console.WriteLine("3. Display");
Console.WriteLine("4. Sort");
Console.WriteLine("5. Peek");
Console.WriteLine("6. Check Queue is Full");
Console.WriteLine("7. Check Queue is Empty");
Console.WriteLine("8. Exit from Queue");
choice = int.Parse(Console.ReadLine());
switch (choice)
{
case 1:
Console.WriteLine("Enter Element to be Inserted");
queue.Add(int.Parse(Console.ReadLine()));
Console.WriteLine("Data Inserted");
break;
case 2:
Console.WriteLine("Removed " + queue.Remove() + " from the front of the queue");
break;
case 3:
queue.Display();
break;
case 4:
queue.Sort();
Console.WriteLine("Sorted Queue");
queue.Display();
break;
case 5:
Console.WriteLine("The Front Value of Queue=" + queue.Peek());
break;
case 6:
if (queue.IsFull())
{
Console.WriteLine("Queue is full");
}
else
{
Console.WriteLine("Queue is not full");
}
break;
case 7:
if (queue.IsEmpty())
{
Console.WriteLine("Queue is empty");
}
else
{
Console.WriteLine("Queue is not empty");
}
break;
case 8:
innerChoice = 1;
break;
default:
Console.WriteLine("Wrong Choice");
break;
}
if (innerChoice == 1)
{
innerChoice = 0;
break;
}
}
break;
case 3:
LinkedList linkedList = new LinkedList();
while (true)
{
Console.WriteLine("1. Add");
Console.WriteLine("2. Remove");
Console.WriteLine("3. Display");
Console.WriteLine("4. Sort");
Console.WriteLine("5. Insert at specific location");
Console.WriteLine("6. Remove from specific location");
Console.WriteLine("7. Exit from Queue");
choice = int.Parse(Console.ReadLine());
switch (choice)
{
case 1:
Console.WriteLine("Enter Element to be Inserted");
linkedList.Add(int.Parse(Console.ReadLine()));
Console.WriteLine("Data Inserted");
break;
case 2:
Console.WriteLine("Removed " + linkedList.Remove() + " from the linked list");
break;
case 3:
linkedList.Display();
break;
case 4:
linkedList.Sort();
Console.WriteLine("Sorted Linked List");
linkedList.Display();
break;
case 5:
Console.WriteLine("Enter Data");
int requestData = int.Parse(Console.ReadLine());
Console.WriteLine("Enter Index");
int index = int.Parse(Console.ReadLine());
linkedList.AddDataAtPosition(requestData, index);
Console.WriteLine("Data Inserted");
break;
case 6:
Console.WriteLine("Enter Index");
int responseData = linkedList.RemoveAtIndex(int.Parse(Console.ReadLine()));
Console.WriteLine("Data Removed");
break;
case 7:
innerChoice = 1;
break;
default:
Console.WriteLine("Wrong Choice");
break;
}
if (innerChoice == 1)
{
innerChoice = 0;
break;
}
}
break;
default:
break;
}
}