public void Test01()
{
var stack = new StackUsingArray <string>();
stack.Push("apple");
stack.Push("banana");
stack.Push("carrot");
Assert.AreEqual(3, stack.Size());
Assert.AreEqual("carrot", stack.Peek());
Assert.AreEqual("carrot", stack.Pop());
Assert.AreEqual(2, stack.Size());
Assert.AreEqual("banana", stack.Peek());
}
public void VerifyPeekInStack()
{
var actual = new StackUsingArray(3);
actual.Push(12);
actual.Push(14);
actual.Push(16);
Assert.AreEqual(3, actual.Count());
var value = actual.Peek();
Assert.AreEqual(16, value);
Assert.AreEqual(3, actual.Count());
}