public void PushAndPop_StackWithInitialCapacity1_ShouldWorkCorrectly()
{
//Arrange
var stack = new ArrayStack <int>(1);
//Assert
Assert.AreEqual(0, stack.Count);
//Act
stack.Push(0);
//Assert
Assert.AreEqual(1, stack.Count);
//Act
stack.Push(1);
//Assert
Assert.AreEqual(2, stack.Count);
//Act
var secondElement = stack.Pop();
//Assert
Assert.AreEqual(1, secondElement);
Assert.AreEqual(1, stack.Count);
//Act
var firstElement = stack.Pop();
//Assert
Assert.AreEqual(0, firstElement);
Assert.AreEqual(0, stack.Count);
}
public void PushAndPop_StackWith1000Elemnts_ShouldTestTheAutoGrowFunctionality()
{
//Arrange
var stack = new ArrayStack <string>();
int i = 0;
//Assert
Assert.AreEqual(0, stack.Count);
while (i != 1000)
{
//Act
i++;
stack.Push(i.ToString());
//Assert
Assert.AreEqual(i, stack.Count);
}
while (i != 0)
{
//Act
i--;
string lastElement = stack.Pop();
//Assert
Assert.AreEqual(i, stack.Count);
Assert.AreEqual((i + 1).ToString(), lastElement);
}
}
private static void Main(string[] args)
{
var stack = new ArrayStack <int>();
for (int i = 0; i < 50; i++)
{
stack.Push(i);
}
Console.WriteLine(stack.Pop());
Console.WriteLine(stack.Count);
Console.WriteLine(stack.Pop());
int[] arr = stack.ToArray();
Console.WriteLine(arr[0]);
Console.WriteLine(arr.Length);
}
public void Pop_EmptyStack_ThrowsAnException()
{
//Arrange
var stack = new ArrayStack <int>();
//Act
stack.Pop();
//Assert: expect an exception
}
public static void Main(string[] args)
{
var stack = new ArrayStack <int>();
stack.Push(1);
stack.Push(2);
stack.Push(3);
stack.Push(4);
stack.Pop();
var array = stack.ToArray();
Console.WriteLine(stack.Peek());
}
public void PushAndPop_StackWith1Element_ShouldRemoveElement()
{
//Arrange
var stack = new ArrayStack <string>();
var elementToBeAdded = "An element";
//Act
stack.Push(elementToBeAdded);
var removedElement = stack.Pop();
//Assert
Assert.AreEqual(0, stack.Count);
Assert.AreEqual(elementToBeAdded, removedElement);
}
static void Main(string[] args)
{
//Create a Random Number Generator
Random num = new Random();
//Create an ArrayList
ArrayList myStack = new ArrayList();
//Create a Array stack instance
ArrayStack theStack = new ArrayStack(myStack, 10);
WriteLine("Try To Pop An Empty Stack");
theStack.Pop();
//Fill the stack
WriteLine("\nFill The Stack With Values");
for (int i = 0; i < theStack.Capacity; i++)
{
theStack.Push(num.Next(0, 10));
}//End for loop
//Print the stack for comparison
PrintStack(theStack);
//Try out the peek method
WriteLine($"\nPeek Method Returned: {theStack.Peek().ToString()}");
//Try to push past capacity
WriteLine("\nTry To Push Over Capacity");
theStack.Push(22);
//Tryout the pop method
WriteLine($"\nPop Method Removed: {theStack.Peek()} From The Stack");
theStack.Pop();
WriteLine($"\nPop Method Removed: {theStack.Peek()} From The Stack");
theStack.Pop();
//Print for comparison
PrintStack(theStack);
//Try to push again
WriteLine("\nPushing Value '22' To The Stack");
theStack.Push(22);
//Try to push again
WriteLine("\nPushing Value '33' To The Stack");
theStack.Push(33);
//Try to push again
WriteLine("\nPushing Value '44' To The Stack");
theStack.Push(44);
//Print for comparison
PrintStack(theStack);
//Try out the peek method
WriteLine($"\nPeek Method Returned: {theStack.Peek().ToString()}");
//Readkey to stop the program
ReadKey();
}