public void count()
{
MyStack <string> stack = new MyStack <string>();
stack.Push("1");
stack.Push("2");
stack.Push("3");
stack.Push("4");
stack.Push("5");
stack.Push("6");
stack.Push("7");
stack.Push("8");
stack.Push("9");
int expected = 9;
Assert.AreEqual(expected, stack.Count());
}
public void Pop_EmptyStack_ThrowsException()
{
var stack = new MyStack <int>();
Assert.Throws <InvalidOperationException>(() => { stack.Pop(); });
}
public void isEmpty_EmptyStack_ReturnsTrue()
{
var stack = new MyStack <int>();
Assert.IsTrue(stack.IsEmpty);
}