// [Fact]
public void CanPeek()
{
StackClass <int> stack = new StackClass <int>();
Node <int> node = new Node <int>();
node.Value = 5;
stack.Push(node.Value);
Node <int> node2 = new Node <int>();
node.Value = 15;
stack.Push(node.Value);
var output = stack.Peek();
}
public static void RunPushMethod()
{
StackClass <int> stack = new StackClass <int>();
Console.WriteLine("Choose a number to push to stack");
int input1 = Convert.ToInt32(Console.ReadLine());
stack.Push(input1);
Console.WriteLine(stack.Peek());
}
public void CanEmptyStack()
{
StackClass <int> stack = new StackClass <int>();
Node <int> node = new Node <int>();
node.Value = 5;
stack.Push(node.Value);
Node <int> node2 = new Node <int>();
node.Value = 15;
stack.Push(node.Value);
Node <int> node3 = new Node <int>();
node.Value = 22;
stack.Push(node.Value);
while (node.Next != null)
{
stack.Pop();
}
stack.Pop();
var result = stack.Peek();
Assert.Null(result);
}