public static void Main(string[] args)
{
System.Console.WriteLine("OMGHAI!");
IList<Item> items = new List<Item> {
new Item {
Name = "+5 Dexterity Vest",
SellIn = 10,
Quality = 20
},
new Item {
Name = "Aged Brie",
SellIn = 2,
Quality = 0
},
new Item {
Name = "Elixir of the Mongoose",
SellIn = 5,
Quality = 7
},
new Item {
Name = "Sulfuras, Hand of Ragnaros",
SellIn = 0,
Quality = 80
},
new Item {
Name = "Backstage passes to a TAFKAL80ETC concert",
SellIn = 15,
Quality = 20
},
new Item {
Name = "Conjured Mana Cake",
SellIn = 3,
Quality = 6
}
};
var guildedRose = new GildedRose(items);
for (int i = 0; i < 31; i++)
{
System.Console.WriteLine("-------- jour " + i + " --------");
System.Console.WriteLine("name, sellIn, quality");
for (int j = 0; j < items.Count; j++)
{
System.Console.WriteLine(items[j].Name + ", " + items[j].SellIn + ", " + items[j].Quality);
}
System.Console.WriteLine("");
guildedRose.UpdateQuality();
System.Console.ReadKey();
}
System.Console.ReadKey();
}
public void AgeOurStandardInventoryForSeveralMonthsAndVerifyEachDaysResults()
{
var testSubject = new GildedRose();
var log = new StringBuilder();
for (var i = 0; i < 50; i++)
{
this.Dump(testSubject, log, i);
testSubject.UpdateQuality();
}
this.Dump(testSubject, log, 50);
Approvals.Verify(log.ToString());
}
public static void Main(string[] args)
{
System.Console.WriteLine("OMGHAI!");
var app = new GildedRose(new GildedRoseWebService());
for (var i = 0; i < 31; i++)
{
System.Console.WriteLine("-------- day " + i + " --------");
app.PrintReport();
app.UpdateQuality();
}
}
public void updateQuality_SellinEvenAndLessThanZero_QualityDecreaseByFour()
{
//Arrange
Item[] items = new Item[] { new Item{Name = "Suspicious Wooden shield", SellIn=-2, Quality = 20} };
GildedRose app = new GildedRose(items);
//Act
app.UpdateQuality();
//Assert
Assert.Equal("Suspicious Wooden shield", items[0].Name);
Assert.Equal(-3, items[0].SellIn);
Assert.Equal(16, items[0].Quality);
}
public void updateQuality_SellinEqualsZeroAndQualityEqualsThree_QualityToZero()
{
//Arrange
Item[] items = new Item[] { new Item{Name = "Suspicious Wooden shield", SellIn=0, Quality = 3} };
GildedRose app = new GildedRose(items);
//Act
app.UpdateQuality();
//Assert
Assert.Equal("Suspicious Wooden shield", items[0].Name);
Assert.Equal(-1, items[0].SellIn);
Assert.Equal(0, items[0].Quality);
}
public void updateQuality_SellinBetweenSixAndTen_QualityIncreaseByTwo()
{
//Arrange
Item[] items = new Item[] { new Item{Name = "Backstage passes to a TAFKAL80ETC concert", SellIn = 6,Quality = 20} };
GildedRose app = new GildedRose(items);
//Act
app.UpdateQuality();
//Assert
Assert.Equal("Backstage passes to a TAFKAL80ETC concert", items[0].Name);
Assert.Equal(5, items[0].SellIn);
Assert.Equal(22, items[0].Quality);
}
public void updateQuality_QualityEqualsFifty_QualityUnchanged()
{
//Arrange
Item[] items = new Item[] { new Item{Name = "Aged Brie", SellIn = 10, Quality = 50} };
GildedRose app = new GildedRose(items);
//Act
app.UpdateQuality();
//Assert
Assert.Equal("Aged Brie", items[0].Name);
Assert.Equal(9, items[0].SellIn);
Assert.Equal(50, items[0].Quality);
}
public void updateQuality_QualityEqualsZero_QualityUnchanged()
{
//Arrange
Item[] items = new Item[] { new Item{Name = "+5 Dexterity Vest", SellIn = 10, Quality = 0} };
GildedRose app = new GildedRose(items);
//Act
app.UpdateQuality();
//Assert
Assert.Equal("+5 Dexterity Vest", items[0].Name);
Assert.Equal(9, items[0].SellIn);
Assert.Equal(0, items[0].Quality);
}
public void updateQuality_SellinGreterThanZero_QualityDecreaseByTwo()
{
//Arrange
Item[] items = new Item[] { new Item{Name = "Conjured Mana Cake", SellIn=10, Quality = 20} };
GildedRose app = new GildedRose(items);
//Act
app.UpdateQuality();
//Assert
Assert.Equal("Conjured Mana Cake", items[0].Name);
Assert.Equal(9, items[0].SellIn);
Assert.Equal(18, items[0].Quality);
}
public void updateQuality_QualityEqualsFifty_QualityDecreaseByOne()
{
//Arrange
Item[] items = new Item[] { new Item{Name = "+5 Dexterity Vest", SellIn = 10, Quality = 50} };
GildedRose app = new GildedRose(items);
//Act
app.UpdateQuality();
//Assert
Assert.Equal("+5 Dexterity Vest", items[0].Name);
Assert.Equal(9, items[0].SellIn);
Assert.Equal(49, items[0].Quality);
}
public void updateQuality_QualityEqualsThree_QualityToZero()
{
//Arrange
Item[] items = new Item[] { new Item{Name = "Conjured Mana Cake", SellIn=0, Quality = 3} };
GildedRose app = new GildedRose(items);
//Act
app.UpdateQuality();
//Assert
Assert.Equal("Conjured Mana Cake", items[0].Name);
Assert.Equal(-1, items[0].SellIn);
Assert.Equal(0, items[0].Quality);
}
public void updateQuality_SellinEqualsZero_QualityDecreaseByFour()
{
//Arrange
Item[] items = new Item[] { new Item{Name = "Conjured Mana Cake", SellIn=0, Quality = 20} };
GildedRose app = new GildedRose(items);
//Act
app.UpdateQuality();
//Assert
Assert.Equal("Conjured Mana Cake", items[0].Name);
Assert.Equal(-1, items[0].SellIn);
Assert.Equal(16, items[0].Quality);
}
public void updateQuality_SellinGreterThanZero_QualityUnchanged()
{
//Arrange
Item[] items = new Item[] { new Item{Name = "Sulfuras, Hand of Ragnaros", SellIn = 10, Quality = 20} };
GildedRose app = new GildedRose(items);
//Act
app.UpdateQuality();
//Assert
Assert.Equal("Sulfuras, Hand of Ragnaros", items[0].Name);
Assert.Equal(10, items[0].SellIn);
Assert.Equal(20, items[0].Quality);
}
public void updateQuality_QualityEqualsFortyNine_QualityToFifty()
{
//Arrange
Item[] items = new Item[] { new Item{Name = "Backstage passes to a TAFKAL80ETC concert", SellIn = 5, Quality = 49} };
GildedRose app = new GildedRose(items);
//Act
app.UpdateQuality();
//Assert
Assert.Equal("Backstage passes to a TAFKAL80ETC concert", items[0].Name);
Assert.Equal(4, items[0].SellIn);
Assert.Equal(50, items[0].Quality);
}
public void updateQuality_QualityEqualsZero_QualityIncreaseByOne()
{
//Arrange
Item[] items = new Item[] { new Item{Name = "Backstage passes to a TAFKAL80ETC concert", SellIn = 11, Quality = 0} };
GildedRose app = new GildedRose(items);
//Act
app.UpdateQuality();
//Assert
Assert.Equal("Backstage passes to a TAFKAL80ETC concert", items[0].Name);
Assert.Equal(10, items[0].SellIn);
Assert.Equal(1, items[0].Quality);
}
public void updateQuality_SellinGreterThanZero_QualityIncreaseByOne()
{
//Arrange
Item[] items = new Item[] { new Item{Name = "Aged Brie", SellIn = 10, Quality = 20} };
GildedRose app = new GildedRose(items);
//Act
app.UpdateQuality();
//Assert
Assert.Equal("Aged Brie", items[0].Name);
Assert.Equal(9, items[0].SellIn);
Assert.Equal(21, items[0].Quality);
}
public void updateQuality_SellinLessThanZero_QualityDecreaseByTwo()
{
//Arrange
Item[] items = new Item[] { new Item{Name = "+5 Dexterity Vest", SellIn = -1, Quality = 20} };
GildedRose app = new GildedRose(items);
//Act
app.UpdateQuality();
//Assert
Assert.Equal("+5 Dexterity Vest", items[0].Name);
Assert.Equal(-2, items[0].SellIn);
Assert.Equal(18, items[0].Quality);
}
public void AgedBrieItem_SellGreaterThan0_QualityUpgradeNormally()
{
//--Arrange
IList<Item> Items = new List<Item>
{
new Item {Name = "Aged Brie", SellIn = 5, Quality = 10 }
};
var app = new GildedRose(Items);
//--Act
app.UpdateQuality();
//--Assert
Assert.AreEqual(4, Items[0].SellIn);
Assert.AreEqual(11, Items[0].Quality);
}
public void AgedBrieItem_SellLowerThan0_QualityMoreThan50_QualityMaxAt50()
{
//--Arrange
IList<Item> Items = new List<Item>
{
new Item {Name = "Aged Brie", SellIn = -10, Quality = 60 }
};
var app = new GildedRose(Items);
//--Act
app.UpdateQuality();
//--Assert
Assert.AreEqual(-11, Items[0].SellIn);
Assert.AreEqual(60, Items[0].Quality);
}
public void AgedBrieItem_SellInAt0_QualityUpgradeDoubled()
{
//--Arrange
IList<Item> Items = new List<Item>
{
new Item {Name = "Aged Brie", SellIn = 0, Quality = 10 }
};
var app = new GildedRose(Items);
//--Act
app.UpdateQuality();
//--Assert
Assert.AreEqual(-1, Items[0].SellIn);
Assert.AreEqual(12, Items[0].Quality);
}
public void Test_aged_brie_quality_exceeded()
{
var items = new[]
{
new Item()
{
Name = "Aged Brie",
SellIn = 10,
Quality = 50
}
};
var gildedRose = new GildedRose(items);
gildedRose.UpdateQuality();
items[0].Quality.Should().Be(50);
}
public void Quality_is_never_more_than_50()
{
IList <Item> Items = new List <Item>
{
new Item {
Name = "Aged Brie", SellIn = 9, Quality = 50
},
new Item {
Name = "Backstage passes to a TAFKAL80ETC concert", SellIn = 5, Quality = 49
}
};
GildedRose app = new GildedRose(Items);
app.UpdateQuality();
Assert.Equal(50, Items[0].Quality);
Assert.Equal(50, Items[1].Quality);
}
public void increase_aged_brie_quality_as_sellin_date_decreases()
{
var item = new Item
{
Name = "Aged Brie",
Quality = 1,
SellIn = 5
};
var gr = new GildedRose(new List <Item> {
item
});
gr.UpdateQuality();
Assert.Equal(2, item.Quality);
}
public void not_decrease_quality_below_zero()
{
var item = new Item
{
Name = "Fact",
Quality = 0,
SellIn = 0
};
var gr = new GildedRose(new List <Item> {
item
});
gr.UpdateQuality();
Assert.Equal(0, item.Quality);
}
decrements_quality_twice_as_fast_when_sellIn_has_passed()
{
Item anyItem = ItemBuilder.Create()
.WithName("foo")
.WithSellIn(0)
.WithQuality(2)
.Build();
IList <Item> Items = new List <Item> {
anyItem
};
GildedRose app = new GildedRose(Items);
app.UpdateQuality();
Items[0].Quality.Should().Be(0);
}
public void increase_the_quality_of_aged_brie_in_one_when_its_gets_older()
{
var agedBrie = Builder.Item.WithName("Aged Brie")
.WithQuality(49)
.Build();
var items = new List <Item>()
{
agedBrie
};
var gildedRose = new GildedRose(items);
gildedRose.UpdateQuality();
agedBrie.Quality.Should().Be(50);
}
public void SulfurasQualityEightyUpdate()
{
// Given
var items = new List <Item> {
new Item {
Name = "Sulfuras, Hand of Ragnaros", SellIn = 10, Quality = 80
}
};
GildedRose app = new GildedRose(items);
// When
app.UpdateQuality();
// Assert
items[0].SellIn.Should().Be(10);
items[0].Quality.Should().Be(80);
}
public void AgedBrieQualityFiftyUpdate()
{
// Given
var items = new List <Item> {
new Item {
Name = "Aged Brie", SellIn = 10, Quality = 50
}
};
GildedRose app = new GildedRose(items);
// When
app.UpdateQuality();
// Assert
items[0].SellIn.Should().Be(9);
items[0].Quality.Should().Be(50);
}
public void decrease_by_one_the_sell_in_of_normal_items()
{
var genericItem = Builder.Item.WithName("foo")
.WithSellIn(1)
.Build();
var items = new List <Item>()
{
genericItem
};
var gildedRose = new GildedRose(items);
gildedRose.UpdateQuality();
genericItem.SellIn.Should().Be(0);
}
public void BackStagePassAtSellInZeroDayUpdate()
{
// Given
var items = new List <Item> {
new Item {
Name = "Backstage passes to a TAFKAL80ETC concert", SellIn = 0, Quality = 10
}
};
GildedRose app = new GildedRose(items);
// When
app.UpdateQuality();
// Assert
items[0].SellIn.Should().Be(-1);
items[0].Quality.Should().Be(0);
}
public void Test_aged_brie_sell_in()
{
var items = new[]
{
new Item()
{
Name = "Aged Brie",
SellIn = 10,
Quality = 2
}
};
var gildedRose = new GildedRose(items);
gildedRose.UpdateQuality();
items[0].SellIn.Should().Be(9);
}
public void not_allow_that_the_quality_on_an_item_will_be_negative()
{
var normalItem = Builder.Item.WithName("foo")
.WithQuality(0)
.Build();
var items = new List <Item>()
{
normalItem
};
var gildedRose = new GildedRose(items);
gildedRose.UpdateQuality();
normalItem.Quality.Should().Be(0);
}
public void not_increase_the_quality_of_an_backstage_more_than_fifty()
{
var backstage = Builder.Item.WithName("Backstage passes to a TAFKAL80ETC concert")
.WithQuality(50)
.Build();
var items = new List <Item>()
{
backstage
};
var gildedRose = new GildedRose(items);
gildedRose.UpdateQuality();
backstage.Quality.Should().Be(50);
}
public void Test_regular_sell_in_passed()
{
var items = new[]
{
new Item()
{
Name = "bread",
SellIn = 0,
Quality = 40
}
};
var gildedRose = new GildedRose(items);
gildedRose.UpdateQuality();
items[0].Quality.Should().Be(38);
}
public void Test_backstage_sell_in()
{
var items = new[]
{
new Item()
{
Name = "Backstage passes to a TAFKAL80ETC concert",
SellIn = 6,
Quality = 40
}
};
var gildedRose = new GildedRose(items);
gildedRose.UpdateQuality();
items[0].SellIn.Should().Be(5);
}
public void Test_backstage_quality_exceeded()
{
var items = new[]
{
new Item()
{
Name = "Backstage passes to a TAFKAL80ETC concert",
SellIn = 5,
Quality = 49
}
};
var gildedRose = new GildedRose(items);
gildedRose.UpdateQuality();
items[0].Quality.Should().Be(50);
}
public void Test_backstage_quality_triple_increase()
{
var items = new[]
{
new Item()
{
Name = "Backstage passes to a TAFKAL80ETC concert",
SellIn = 2,
Quality = 40
}
};
var gildedRose = new GildedRose(items);
gildedRose.UpdateQuality();
items[0].Quality.Should().Be(43);
}
public void Test_regular_quality_negative()
{
var items = new[]
{
new Item()
{
Name = "bread",
SellIn = 0,
Quality = 0
}
};
var gildedRose = new GildedRose(items);
gildedRose.UpdateQuality();
items[0].Quality.Should().Be(0);
}
public void decrease_the_quality_of_conjured_twice_as_fast_as_normal_items()
{
var conjured = Builder.Item.WithName("Conjured Mana Cake")
.WithQuality(2)
.Build();
var items = new List <Item>()
{
conjured
};
var gildedRose = new GildedRose(items);
gildedRose.UpdateQuality();
conjured.Quality.Should().Be(0);
}
public void not_increase_the_quality_of_aged_brie_more_than_fifty()
{
var agedBrie = Builder.Item.WithName("Aged Brie")
.WithQuality(50)
.Build();
var items = new List <Item>()
{
agedBrie
};
var gildedRose = new GildedRose(items);
gildedRose.UpdateQuality();
agedBrie.Quality.Should().Be(50);
}
public void CheckLegendarySellIn()
{
IList <BaseItem> items = new List <BaseItem>
{
new Legendary {
Name = "Sulfuras, Hand of Ragnaros", SellIn = -1, Quality = 80
},
new Legendary {
Name = "Sulfuras, Hand of Ragnaros", SellIn = 0, Quality = 80
},
};
GildedRose app = new GildedRose(items);
app.UpdateQuality();
Assert.AreEqual(items[0].SellIn, -1);
Assert.AreEqual(items[1].SellIn, 0);
}
public void decrease_by_one_the_quality_of_normal_items()
{
var normalItem = Builder.Item.WithName("foo")
.WithQuality(1)
.Build();
var items = new List <Item>()
{
normalItem
};
var gildedRose = new GildedRose(items);
gildedRose.UpdateQuality();
normalItem.Quality.Should().Be(0);
}
public void ShouldDecreaseBothValues()
{
const int startSellIn = 10;
const int startQuality = 10;
var item = new Item {
Name = "+5 Dexterity Vest", SellIn = startSellIn, Quality = startQuality
};
var app = new GildedRose(new List <Item> {
item
});
app.UpdateQuality();
Assert.Equal("+5 Dexterity Vest", item.Name);
Assert.Equal(startSellIn - 1, item.SellIn);
Assert.Equal(startQuality - 1, item.Quality);
}
public void After_daily_update_Quality_value_for_ordinary_items_goes_down_by_one()
{
// Arrange
int initial_quality_value_01 = _test_ordinary_item_01.Quality;
int initial_quality_value_02 = _test_ordinary_item_02.Quality;
IList <IItem> self_managing_items = new List <IItem> {
_test_ordinary_item_01, _test_ordinary_item_02
};
GildedRose app = new GildedRose(self_managing_items);
// Act
app.UpdateQuality();
// Assert
Assert.AreEqual(initial_quality_value_01 - 1, self_managing_items[0].Quality);
Assert.AreEqual(initial_quality_value_02 - 1, self_managing_items[1].Quality);
}
public void AgedBrieAfterSellDateUpdate()
{
// Given
var items = new List <Item> {
new Item {
Name = "Aged Brie", SellIn = 0, Quality = 10
}
};
GildedRose app = new GildedRose(items);
// When
app.UpdateQuality();
// Assert
items[0].SellIn.Should().Be(-1);
items[0].Quality.Should().Be(12);
}
public void DefaultItemUpdate()
{
// Given
var items = new List <Item> {
new Item {
Name = "default_item", SellIn = 10, Quality = 10
}
};
GildedRose app = new GildedRose(items);
// When
app.UpdateQuality();
// Assert
items[0].SellIn.Should().Be(9);
items[0].Quality.Should().Be(9);
}
public void ConjuredItemQualityZeroUpdate()
{
// Given
var items = new List <Item> {
new Item {
Name = "Conjured Mana Cake", SellIn = 10, Quality = 0
}
};
GildedRose app = new GildedRose(items);
// When
app.UpdateQuality();
// Assert
items[0].SellIn.Should().Be(9);
items[0].Quality.Should().Be(0);
}
public void Test_sulfuras_sell_in_unvariated()
{
var items = new[]
{
new Item()
{
Name = "Sulfuras, Hand of Ragnaros",
SellIn = 10,
Quality = 40
}
};
var gildedRose = new GildedRose(items);
gildedRose.UpdateQuality();
items[0].SellIn.Should().Be(10);
}
public void not_change_the_quality_of_sulfuras()
{
var sulfuras = Builder.Item.WithName("Sulfuras, Hand of Ragnaros")
.WithQuality(1)
.Build();
var items = new List <Item>()
{
sulfuras
};
var gildedRose = new GildedRose(items);
gildedRose.UpdateQuality();
sulfuras.Quality.Should().Be(1);
}
public void lower_quality_twice_as_fast_after_sell_by()
{
var item = new Item
{
Name = "Fact",
Quality = 3,
SellIn = 0
};
var gr = new GildedRose(new List <Item> {
item
});
gr.UpdateQuality();
Assert.Equal(1, item.Quality);
}
public void updateQuality_SellinEvenAndQualityEqualsFifty_QualityDecreaseByTwo()
{
//Arrange
Item[] items = new Item[] { new Item{Name = "Suspicious Wooden shield", SellIn=10, Quality = 50} };
GildedRose app = new GildedRose(items);
//Act
app.UpdateQuality();
//Assert
Assert.Equal("Suspicious Wooden shield", items[0].Name);
Assert.Equal(9, items[0].SellIn);
Assert.Equal(48, items[0].Quality);
}
public void updateQuality_SellinOddAndQualityEqualsZero_QualityUnchanged()
{
//Arrange
Item[] items = new Item[] { new Item{Name = "Suspicious Wooden shield", SellIn=9, Quality = 0} };
GildedRose app = new GildedRose(items);
//Act
app.UpdateQuality();
//Assert
Assert.Equal("Suspicious Wooden shield", items[0].Name);
Assert.Equal(8, items[0].SellIn);
Assert.Equal(0, items[0].Quality);
}
public void RegularItem_SellInGreaterThan0_QualityDegradeNormally()
{
//--Arrange
IList<Item> Items = new List<Item>
{
new Item {Name = "+5 Dexterity Vest", SellIn = 10, Quality = 20 }
};
var app = new GildedRose(Items);
//--Act
app.UpdateQuality();
//--Assert
Assert.AreEqual(9, Items[0].SellIn);
Assert.AreEqual(19, Items[0].Quality);
}
public void LegendaryItem_SellInAt0_QualityDontChange()
{
//--Arrange
IList<Item> Items = new List<Item>
{
new Item {Name = "Sulfuras, Hand of Ragnaros", SellIn = 0, Quality = 80 }
};
var app = new GildedRose(Items);
//--Act
app.UpdateQuality();
//--Assert
Assert.AreEqual(0, Items[0].SellIn);
Assert.AreEqual(80, Items[0].Quality);
}
public void updateQuality_SellinEqualsZero_QualityToZero()
{
//Arrange
Item[] items = new Item[] { new Item{Name = "Backstage passes to a TAFKAL80ETC concert", SellIn = 0, Quality = 20} };
GildedRose app = new GildedRose(items);
//Act
app.UpdateQuality();
//Assert
Assert.Equal("Backstage passes to a TAFKAL80ETC concert", items[0].Name);
Assert.Equal(-1, items[0].SellIn);
Assert.Equal(0, items[0].Quality);
}
public void RegularItem_SellInArriveAt0_QualityDegradeDoubled()
{
//--Arrange
IList<Item> Items = new List<Item>
{
new Item {Name = "+5 Dexterity Vest", SellIn = 0, Quality = 10 }
};
var app = new GildedRose(Items);
//--Act
app.UpdateQuality();
//--Assert
Assert.AreEqual(-1, Items[0].SellIn);
Assert.AreEqual(8, Items[0].Quality);
}
public void updateQuality_SellinEqualsFive_QualityIncreaseByThree()
{
//Arrange
Item[] items = new Item[] { new Item{Name = "Backstage passes to a TAFKAL80ETC concert", SellIn = 5, Quality = 20} };
GildedRose app = new GildedRose(items);
//Act
app.UpdateQuality();
//Assert
Assert.Equal("Backstage passes to a TAFKAL80ETC concert", items[0].Name);
Assert.Equal(4, items[0].SellIn);
Assert.Equal(23, items[0].Quality);
}
public void RegularItem_SellInLower0_QualityDegradeMinAt0()
{
//--Arrange
IList<Item> Items = new List<Item>
{
new Item {Name = "+5 Dexterity Vest", SellIn = -5, Quality = 0 }
};
var app = new GildedRose(Items);
//--Act
app.UpdateQuality();
//--Assert
Assert.AreEqual(-6, Items[0].SellIn);
Assert.AreEqual(0, Items[0].Quality);
}
public void Foo()
{
//--Arrange
IList<Item> Items = new List<Item>
{
new Item {Name = "foo", SellIn = 0, Quality = 0}
};
var app = new GildedRose(Items);
//--Act
app.UpdateQuality();
//--Assert
Assert.AreEqual("foo", Items[0].Name);
}
public void BackstagePass_SellInAt0_QualityUpgradeThrice()
{
//--Arrange
IList<Item> Items = new List<Item>
{
new Item {Name = "Backstage passes to a TAFKAL80ETC concert", SellIn = 1, Quality = 10 }
};
var app = new GildedRose(Items);
//--Act
app.UpdateQuality();
//--Assert
Assert.AreEqual(0, Items[0].SellIn);
Assert.AreEqual(13, Items[0].Quality);
}