public void Quality_Does_Not_Fall_Below_Zero()
{
Item item = new Item {
Name = "Test product", SellIn = 5, Quality = 0
};
DefaultUpdater defaultUpdater = new DefaultUpdater();
defaultUpdater.DecreaseQuality(item);
Assert.AreEqual(0, item.Quality);
}
public void Quality_Decreases()
{
Item item = new Item {
Name = "+5 Dexterity Vest", SellIn = 10, Quality = 20
};
DefaultUpdater defaultUpdater = new DefaultUpdater();
defaultUpdater.UpdateItem(item);
Assert.AreEqual(19, item.Quality);
}
public void Quality_Does_Not_Increase_Above_Fifty()
{
Item item = new Item {
Name = "Test product", SellIn = 5, Quality = 50
};
DefaultUpdater defaultUpdater = new DefaultUpdater();
defaultUpdater.IncreaseQuality(item);
Assert.AreEqual(50, item.Quality);
}