public void UpdateQuality_Negative_ReturnsZero()
{
Item item = new FreshItem();
item.Quality = 0;
item.UpdateQuality();
Assert.AreEqual(0, item.Quality);
}
public void UpdateQuality_FreshInDate_ReduceBy2()
{
Item item = new FreshItem();
item.SellIn = 0;
item.Quality = 2;
item.UpdateQuality();
Assert.AreEqual(0, item.Quality);
}
public void UpdateQuality_FreshNotInDate_ReduceBy4()
{
Item item = new FreshItem();
item.SellIn = -1;
item.Quality = 4;
item.UpdateQuality();
Assert.AreEqual(0, item.Quality);
}
