public void ShouldReturnMaxItemFromStackWhenPush()
{
var cut = new MaxStackImplementation <int>(5);
cut.Push(4);
Assert.AreEqual(4, cut.Max());
cut.Push(2);
Assert.AreEqual(4, cut.Max());
cut.Push(14);
Assert.AreEqual(14, cut.Max());
cut.Push(1);
Assert.AreEqual(14, cut.Max());
cut.Push(18);
Assert.AreEqual(18, cut.Max());
}
public void ShouldReturnMaxItemFromStackWhenPopWithDuplicatedItems()
{
var items = new List <int> {
4, 2, 14, 1, 14
};
var cut = new MaxStackImplementation <int>(items.Capacity);
items.ForEach(item => cut.Push(item));
cut.Pop(); //14
Assert.AreEqual(14, cut.Max());
cut.Pop(); //1
Assert.AreEqual(14, cut.Max());
cut.Pop(); //14
Assert.AreEqual(4, cut.Max());
cut.Pop(); //2
Assert.AreEqual(4, cut.Max());
}