From 62d94f1a9166794b3b324d99d01e073e15c61f75 Mon Sep 17 00:00:00 2001
From: OKinane <15254824+OKinane@users.noreply.github.com>
Date: Sat, 11 Mar 2023 15:29:51 +0100
Subject: [PATCH] add Conjured

---
 csharpcore/GildedRose/GildedRose.cs          |  4 +++
 csharpcore/GildedRoseTests/GildedRoseTest.cs | 30 ++++++++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/csharpcore/GildedRose/GildedRose.cs b/csharpcore/GildedRose/GildedRose.cs
index 12e5d0f8..a5a6468f 100644
--- a/csharpcore/GildedRose/GildedRose.cs
+++ b/csharpcore/GildedRose/GildedRose.cs
@@ -26,6 +26,10 @@ namespace GildedRoseKata
                 {
                     SetQuality(i, quantity => quantity + 1, quantity  => quantity + 2);
                 }
+                else if (Items[i].Name == "Conjured")
+                {
+                    SetQuality(i, quantity => quantity - 2, quantity  => quantity - 4);
+                }
                 else if (Items[i].Name == "Backstage passes to a TAFKAL80ETC concert")
                 {
                     SetQuality(i, quantity => GetNewBackstageQuality(i), q => 0);
diff --git a/csharpcore/GildedRoseTests/GildedRoseTest.cs b/csharpcore/GildedRoseTests/GildedRoseTest.cs
index 7d47de0f..a7218668 100644
--- a/csharpcore/GildedRoseTests/GildedRoseTest.cs
+++ b/csharpcore/GildedRoseTests/GildedRoseTest.cs
@@ -155,5 +155,35 @@ namespace GildedRoseTests
             Assert.Equal(-1, Items[0].SellIn);
             Assert.Equal(0, Items[0].Quality);
         }
+
+        [Fact]
+        public void conjured_quality_decrease_by_two_before_sell_by_date_has_passed()
+        {
+            IList<Item> Items = new List<Item> { new Item { Name = "Conjured", SellIn = 3, Quality = 5 } };
+            GildedRose app = new GildedRose(Items);
+            app.UpdateQuality();
+            Assert.Equal(2, Items[0].SellIn);
+            Assert.Equal(3, Items[0].Quality);
+        }
+
+        [Fact]
+        public void conjured_quality_decrease_by_four_after_sell_by_date_has_passed()
+        {
+            IList<Item> Items = new List<Item> { new Item { Name = "Conjured", SellIn = 0, Quality = 5 } };
+            GildedRose app = new GildedRose(Items);
+            app.UpdateQuality();
+            Assert.Equal(-1, Items[0].SellIn);
+            Assert.Equal(1, Items[0].Quality);
+        }
+
+        [Fact]
+        public void conjured_with_0_quality_is_still_0_after_sell_by_date_has_passed()
+        {
+            IList<Item> Items = new List<Item> { new Item { Name = "Conjured", SellIn = 0, Quality = 0 } };
+            GildedRose app = new GildedRose(Items);
+            app.UpdateQuality();
+            Assert.Equal(-1, Items[0].SellIn);
+            Assert.Equal(0, Items[0].Quality);
+        }
     }
 }