public void Backstage_Item_Should_Increase_By_3_In_Quality_As_Its_SellIn_Value_pproaches_5_days()
{
// Arrange
var backstageItem = new BackstageItem("Backstage passes to a TAFKAL80ETC concert", 5, 40);
// Act
backstageItem.UpdateQuality();
// Assert
Assert.AreEqual(backstageItem.Quality, 43);
}
public void Backstage_Item_Should_Drop_To_Zero_Quality_As_Its_SellIn_Value_passes()
{
// Arrange
var backstageItem = new BackstageItem("Backstage passes to a TAFKAL80ETC concert", -1, 40);
// Act
backstageItem.UpdateQuality();
// Assert
Assert.AreEqual(backstageItem.Quality, 0);
}
public void The_Quality_Of_An_Item_Should_Never_Be_More_Than_50_For_BackStage_And_Aged_Items()
{
// Arrange
var backstageItem = new BackstageItem("Backstage passes to a TAFKAL80ETC concert", 20, 50);
var agedItem = new AgedItem("Aged Brie", 2, 50);
// Act
backstageItem.UpdateQuality();
agedItem.UpdateQuality();
// Assert
Assert.AreEqual(backstageItem.Quality, 50);
Assert.AreEqual(agedItem.Quality, 50);
}
public void Updating_The_Quality_Of_An_Item_Should_Never_Be_Negative()
{
// Arrange
var commonItem = new CommonItem("+5 Dexterity Vest", 0, 0);
var backstageItem = new BackstageItem("Backstage passes to a TAFKAL80ETC concert", 20, 0);
var agedItem = new AgedItem("Aged Brie", 2, 0);
var conjuredItem = new ConjuredItem("Conjured Mana Cake", 3, 0);
var legendaryItem = new LegendaryItem("Sulfuras, Hand of Ragnaros", 0, 80);
// Act
commonItem.UpdateQuality();
backstageItem.UpdateQuality();
agedItem.UpdateQuality();
conjuredItem.UpdateQuality();
legendaryItem.UpdateQuality();
// Assert
Assert.AreEqual(commonItem.Quality, 0);
Assert.AreEqual(backstageItem.Quality, 1);
Assert.AreEqual(agedItem.Quality, 1);
Assert.AreEqual(conjuredItem.Quality, 0);
Assert.AreEqual(legendaryItem.Quality, 80);
}