public void ERROR2()
{
MyStack <string> stack = new MyStack <string>();
stack.Push("l");
stack.Push("o");
stack.Pop();
stack.Pop();
stack.Pop();
}
public void ERROR1()
{
MyStack <string> stack = new MyStack <string>();
stack.Push("p");
stack.Push("o");
stack.Pop();
stack.Pop();
stack.Peek();
}
public void Peek_PushTwoItemsAndPop_ReturnsHeadElement()
{
var stack = new MyStack <int>();
stack.Push(1);
stack.Push(2);
stack.Pop();
Assert.AreEqual(1, stack.Peek());
}
public void popeek()
{
MyStack <string> stack = new MyStack <string>();
stack.Push("6");
stack.Push("7");
stack.Pop();
string expected = "6";
Assert.AreEqual(expected, stack.Peek());
}
public void Pop_EmptyStack_ThrowsException()
{
var stack = new MyStack <int>();
Assert.Throws <InvalidOperationException>(() => { stack.Pop(); });
}
