diff --git a/csharp/ApprovalTest.cs b/csharp/ApprovalTest.cs
index 2710c604..5334147e 100644
--- a/csharp/ApprovalTest.cs
+++ b/csharp/ApprovalTest.cs
@@ -1,30 +1,28 @@
 using System;
 using System.IO;
 using System.Text;
+using ApprovalTests;
+using ApprovalTests.Reporters;
 using NUnit.Framework;
 
 namespace csharp
 {
+    [UseReporter(typeof(DiffReporter))]
     [TestFixture]
     public class ApprovalTest
     {
         [Test]
         public void ThirtyDays()
         {
-            var lines = File.ReadAllLines("ThirtyDays.txt");
-
+            
             StringBuilder fakeoutput = new StringBuilder();
             Console.SetOut(new StringWriter(fakeoutput));
             Console.SetIn(new StringReader("a\n"));
 
             Program.Main(new string[] { });
-            String output = fakeoutput.ToString();
+            var output = fakeoutput.ToString();
 
-            var outputLines = output.Split('\n');
-            for(var i = 0; i<Math.Min(lines.Length, outputLines.Length); i++) 
-            {
-                Assert.AreEqual(lines[i], outputLines[i]);
-            }
+            Approvals.Verify(output);
         }
     }
 }
diff --git a/csharp/ThirtyDays.txt b/csharp/ThirtyDays.txt
deleted file mode 100644
index cd66984f..00000000
--- a/csharp/ThirtyDays.txt
+++ /dev/null
@@ -1,373 +0,0 @@
-OMGHAI!
--------- day 0 --------
-name, sellIn, quality
-+5 Dexterity Vest, 10, 20
-Aged Brie, 2, 0
-Elixir of the Mongoose, 5, 7
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 15, 20
-Backstage passes to a TAFKAL80ETC concert, 10, 49
-Backstage passes to a TAFKAL80ETC concert, 5, 49
-Conjured Mana Cake, 3, 6
-
--------- day 1 --------
-name, sellIn, quality
-+5 Dexterity Vest, 9, 19
-Aged Brie, 1, 1
-Elixir of the Mongoose, 4, 6
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 14, 21
-Backstage passes to a TAFKAL80ETC concert, 9, 50
-Backstage passes to a TAFKAL80ETC concert, 4, 50
-Conjured Mana Cake, 2, 5
-
--------- day 2 --------
-name, sellIn, quality
-+5 Dexterity Vest, 8, 18
-Aged Brie, 0, 2
-Elixir of the Mongoose, 3, 5
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 13, 22
-Backstage passes to a TAFKAL80ETC concert, 8, 50
-Backstage passes to a TAFKAL80ETC concert, 3, 50
-Conjured Mana Cake, 1, 4
-
--------- day 3 --------
-name, sellIn, quality
-+5 Dexterity Vest, 7, 17
-Aged Brie, -1, 4
-Elixir of the Mongoose, 2, 4
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 12, 23
-Backstage passes to a TAFKAL80ETC concert, 7, 50
-Backstage passes to a TAFKAL80ETC concert, 2, 50
-Conjured Mana Cake, 0, 3
-
--------- day 4 --------
-name, sellIn, quality
-+5 Dexterity Vest, 6, 16
-Aged Brie, -2, 6
-Elixir of the Mongoose, 1, 3
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 11, 24
-Backstage passes to a TAFKAL80ETC concert, 6, 50
-Backstage passes to a TAFKAL80ETC concert, 1, 50
-Conjured Mana Cake, -1, 1
-
--------- day 5 --------
-name, sellIn, quality
-+5 Dexterity Vest, 5, 15
-Aged Brie, -3, 8
-Elixir of the Mongoose, 0, 2
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 10, 25
-Backstage passes to a TAFKAL80ETC concert, 5, 50
-Backstage passes to a TAFKAL80ETC concert, 0, 50
-Conjured Mana Cake, -2, 0
-
--------- day 6 --------
-name, sellIn, quality
-+5 Dexterity Vest, 4, 14
-Aged Brie, -4, 10
-Elixir of the Mongoose, -1, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 9, 27
-Backstage passes to a TAFKAL80ETC concert, 4, 50
-Backstage passes to a TAFKAL80ETC concert, -1, 0
-Conjured Mana Cake, -3, 0
-
--------- day 7 --------
-name, sellIn, quality
-+5 Dexterity Vest, 3, 13
-Aged Brie, -5, 12
-Elixir of the Mongoose, -2, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 8, 29
-Backstage passes to a TAFKAL80ETC concert, 3, 50
-Backstage passes to a TAFKAL80ETC concert, -2, 0
-Conjured Mana Cake, -4, 0
-
--------- day 8 --------
-name, sellIn, quality
-+5 Dexterity Vest, 2, 12
-Aged Brie, -6, 14
-Elixir of the Mongoose, -3, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 7, 31
-Backstage passes to a TAFKAL80ETC concert, 2, 50
-Backstage passes to a TAFKAL80ETC concert, -3, 0
-Conjured Mana Cake, -5, 0
-
--------- day 9 --------
-name, sellIn, quality
-+5 Dexterity Vest, 1, 11
-Aged Brie, -7, 16
-Elixir of the Mongoose, -4, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 6, 33
-Backstage passes to a TAFKAL80ETC concert, 1, 50
-Backstage passes to a TAFKAL80ETC concert, -4, 0
-Conjured Mana Cake, -6, 0
-
--------- day 10 --------
-name, sellIn, quality
-+5 Dexterity Vest, 0, 10
-Aged Brie, -8, 18
-Elixir of the Mongoose, -5, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 5, 35
-Backstage passes to a TAFKAL80ETC concert, 0, 50
-Backstage passes to a TAFKAL80ETC concert, -5, 0
-Conjured Mana Cake, -7, 0
-
--------- day 11 --------
-name, sellIn, quality
-+5 Dexterity Vest, -1, 8
-Aged Brie, -9, 20
-Elixir of the Mongoose, -6, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 4, 38
-Backstage passes to a TAFKAL80ETC concert, -1, 0
-Backstage passes to a TAFKAL80ETC concert, -6, 0
-Conjured Mana Cake, -8, 0
-
--------- day 12 --------
-name, sellIn, quality
-+5 Dexterity Vest, -2, 6
-Aged Brie, -10, 22
-Elixir of the Mongoose, -7, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 3, 41
-Backstage passes to a TAFKAL80ETC concert, -2, 0
-Backstage passes to a TAFKAL80ETC concert, -7, 0
-Conjured Mana Cake, -9, 0
-
--------- day 13 --------
-name, sellIn, quality
-+5 Dexterity Vest, -3, 4
-Aged Brie, -11, 24
-Elixir of the Mongoose, -8, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 2, 44
-Backstage passes to a TAFKAL80ETC concert, -3, 0
-Backstage passes to a TAFKAL80ETC concert, -8, 0
-Conjured Mana Cake, -10, 0
-
--------- day 14 --------
-name, sellIn, quality
-+5 Dexterity Vest, -4, 2
-Aged Brie, -12, 26
-Elixir of the Mongoose, -9, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 1, 47
-Backstage passes to a TAFKAL80ETC concert, -4, 0
-Backstage passes to a TAFKAL80ETC concert, -9, 0
-Conjured Mana Cake, -11, 0
-
--------- day 15 --------
-name, sellIn, quality
-+5 Dexterity Vest, -5, 0
-Aged Brie, -13, 28
-Elixir of the Mongoose, -10, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 0, 50
-Backstage passes to a TAFKAL80ETC concert, -5, 0
-Backstage passes to a TAFKAL80ETC concert, -10, 0
-Conjured Mana Cake, -12, 0
-
--------- day 16 --------
-name, sellIn, quality
-+5 Dexterity Vest, -6, 0
-Aged Brie, -14, 30
-Elixir of the Mongoose, -11, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -1, 0
-Backstage passes to a TAFKAL80ETC concert, -6, 0
-Backstage passes to a TAFKAL80ETC concert, -11, 0
-Conjured Mana Cake, -13, 0
-
--------- day 17 --------
-name, sellIn, quality
-+5 Dexterity Vest, -7, 0
-Aged Brie, -15, 32
-Elixir of the Mongoose, -12, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -2, 0
-Backstage passes to a TAFKAL80ETC concert, -7, 0
-Backstage passes to a TAFKAL80ETC concert, -12, 0
-Conjured Mana Cake, -14, 0
-
--------- day 18 --------
-name, sellIn, quality
-+5 Dexterity Vest, -8, 0
-Aged Brie, -16, 34
-Elixir of the Mongoose, -13, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -3, 0
-Backstage passes to a TAFKAL80ETC concert, -8, 0
-Backstage passes to a TAFKAL80ETC concert, -13, 0
-Conjured Mana Cake, -15, 0
-
--------- day 19 --------
-name, sellIn, quality
-+5 Dexterity Vest, -9, 0
-Aged Brie, -17, 36
-Elixir of the Mongoose, -14, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -4, 0
-Backstage passes to a TAFKAL80ETC concert, -9, 0
-Backstage passes to a TAFKAL80ETC concert, -14, 0
-Conjured Mana Cake, -16, 0
-
--------- day 20 --------
-name, sellIn, quality
-+5 Dexterity Vest, -10, 0
-Aged Brie, -18, 38
-Elixir of the Mongoose, -15, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -5, 0
-Backstage passes to a TAFKAL80ETC concert, -10, 0
-Backstage passes to a TAFKAL80ETC concert, -15, 0
-Conjured Mana Cake, -17, 0
-
--------- day 21 --------
-name, sellIn, quality
-+5 Dexterity Vest, -11, 0
-Aged Brie, -19, 40
-Elixir of the Mongoose, -16, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -6, 0
-Backstage passes to a TAFKAL80ETC concert, -11, 0
-Backstage passes to a TAFKAL80ETC concert, -16, 0
-Conjured Mana Cake, -18, 0
-
--------- day 22 --------
-name, sellIn, quality
-+5 Dexterity Vest, -12, 0
-Aged Brie, -20, 42
-Elixir of the Mongoose, -17, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -7, 0
-Backstage passes to a TAFKAL80ETC concert, -12, 0
-Backstage passes to a TAFKAL80ETC concert, -17, 0
-Conjured Mana Cake, -19, 0
-
--------- day 23 --------
-name, sellIn, quality
-+5 Dexterity Vest, -13, 0
-Aged Brie, -21, 44
-Elixir of the Mongoose, -18, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -8, 0
-Backstage passes to a TAFKAL80ETC concert, -13, 0
-Backstage passes to a TAFKAL80ETC concert, -18, 0
-Conjured Mana Cake, -20, 0
-
--------- day 24 --------
-name, sellIn, quality
-+5 Dexterity Vest, -14, 0
-Aged Brie, -22, 46
-Elixir of the Mongoose, -19, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -9, 0
-Backstage passes to a TAFKAL80ETC concert, -14, 0
-Backstage passes to a TAFKAL80ETC concert, -19, 0
-Conjured Mana Cake, -21, 0
-
--------- day 25 --------
-name, sellIn, quality
-+5 Dexterity Vest, -15, 0
-Aged Brie, -23, 48
-Elixir of the Mongoose, -20, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -10, 0
-Backstage passes to a TAFKAL80ETC concert, -15, 0
-Backstage passes to a TAFKAL80ETC concert, -20, 0
-Conjured Mana Cake, -22, 0
-
--------- day 26 --------
-name, sellIn, quality
-+5 Dexterity Vest, -16, 0
-Aged Brie, -24, 50
-Elixir of the Mongoose, -21, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -11, 0
-Backstage passes to a TAFKAL80ETC concert, -16, 0
-Backstage passes to a TAFKAL80ETC concert, -21, 0
-Conjured Mana Cake, -23, 0
-
--------- day 27 --------
-name, sellIn, quality
-+5 Dexterity Vest, -17, 0
-Aged Brie, -25, 50
-Elixir of the Mongoose, -22, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -12, 0
-Backstage passes to a TAFKAL80ETC concert, -17, 0
-Backstage passes to a TAFKAL80ETC concert, -22, 0
-Conjured Mana Cake, -24, 0
-
--------- day 28 --------
-name, sellIn, quality
-+5 Dexterity Vest, -18, 0
-Aged Brie, -26, 50
-Elixir of the Mongoose, -23, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -13, 0
-Backstage passes to a TAFKAL80ETC concert, -18, 0
-Backstage passes to a TAFKAL80ETC concert, -23, 0
-Conjured Mana Cake, -25, 0
-
--------- day 29 --------
-name, sellIn, quality
-+5 Dexterity Vest, -19, 0
-Aged Brie, -27, 50
-Elixir of the Mongoose, -24, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -14, 0
-Backstage passes to a TAFKAL80ETC concert, -19, 0
-Backstage passes to a TAFKAL80ETC concert, -24, 0
-Conjured Mana Cake, -26, 0
-
--------- day 30 --------
-name, sellIn, quality
-+5 Dexterity Vest, -20, 0
-Aged Brie, -28, 50
-Elixir of the Mongoose, -25, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -15, 0
-Backstage passes to a TAFKAL80ETC concert, -20, 0
-Backstage passes to a TAFKAL80ETC concert, -25, 0
-Conjured Mana Cake, -27, 0
-
diff --git a/csharp/csharp.csproj b/csharp/csharp.csproj
index 6db531b6..58213647 100644
--- a/csharp/csharp.csproj
+++ b/csharp/csharp.csproj
@@ -75,11 +75,6 @@
   <ItemGroup>
     <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
   </ItemGroup>
-  <ItemGroup>
-    <Content Include="ThirtyDays.txt">
-      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-    </Content>
-  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
diff --git a/csharpcore/ApprovalTest.cs b/csharpcore/ApprovalTest.cs
index 7d63e93c..7b5d2db4 100644
--- a/csharpcore/ApprovalTest.cs
+++ b/csharpcore/ApprovalTest.cs
@@ -2,28 +2,25 @@
 using System;
 using System.IO;
 using System.Text;
+using ApprovalTests;
+using ApprovalTests.Reporters;
 
 namespace csharpcore
 {
+    [UseReporter(typeof(DiffReporter))]
     public class ApprovalTest
     {
         [Fact]
         public void ThirtyDays()
         {
-            var lines = File.ReadAllLines("ThirtyDays.txt");
-
-            StringBuilder fakeoutput = new StringBuilder();
+            var fakeoutput = new StringBuilder();
             Console.SetOut(new StringWriter(fakeoutput));
             Console.SetIn(new StringReader("a\n"));
 
             Program.Main(new string[] { });
-            String output = fakeoutput.ToString();
+            var output = fakeoutput.ToString();
 
-            var outputLines = output.Split('\n');
-            for(var i = 0; i<Math.Min(lines.Length, outputLines.Length); i++) 
-            {
-                Assert.Equal(lines[i], outputLines[i]);
-            }
+            Approvals.Verify(output);
         }
     }
 }
diff --git a/csharpcore/ThirtyDays.txt b/csharpcore/ThirtyDays.txt
deleted file mode 100644
index cd66984f..00000000
--- a/csharpcore/ThirtyDays.txt
+++ /dev/null
@@ -1,373 +0,0 @@
-OMGHAI!
--------- day 0 --------
-name, sellIn, quality
-+5 Dexterity Vest, 10, 20
-Aged Brie, 2, 0
-Elixir of the Mongoose, 5, 7
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 15, 20
-Backstage passes to a TAFKAL80ETC concert, 10, 49
-Backstage passes to a TAFKAL80ETC concert, 5, 49
-Conjured Mana Cake, 3, 6
-
--------- day 1 --------
-name, sellIn, quality
-+5 Dexterity Vest, 9, 19
-Aged Brie, 1, 1
-Elixir of the Mongoose, 4, 6
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 14, 21
-Backstage passes to a TAFKAL80ETC concert, 9, 50
-Backstage passes to a TAFKAL80ETC concert, 4, 50
-Conjured Mana Cake, 2, 5
-
--------- day 2 --------
-name, sellIn, quality
-+5 Dexterity Vest, 8, 18
-Aged Brie, 0, 2
-Elixir of the Mongoose, 3, 5
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 13, 22
-Backstage passes to a TAFKAL80ETC concert, 8, 50
-Backstage passes to a TAFKAL80ETC concert, 3, 50
-Conjured Mana Cake, 1, 4
-
--------- day 3 --------
-name, sellIn, quality
-+5 Dexterity Vest, 7, 17
-Aged Brie, -1, 4
-Elixir of the Mongoose, 2, 4
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 12, 23
-Backstage passes to a TAFKAL80ETC concert, 7, 50
-Backstage passes to a TAFKAL80ETC concert, 2, 50
-Conjured Mana Cake, 0, 3
-
--------- day 4 --------
-name, sellIn, quality
-+5 Dexterity Vest, 6, 16
-Aged Brie, -2, 6
-Elixir of the Mongoose, 1, 3
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 11, 24
-Backstage passes to a TAFKAL80ETC concert, 6, 50
-Backstage passes to a TAFKAL80ETC concert, 1, 50
-Conjured Mana Cake, -1, 1
-
--------- day 5 --------
-name, sellIn, quality
-+5 Dexterity Vest, 5, 15
-Aged Brie, -3, 8
-Elixir of the Mongoose, 0, 2
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 10, 25
-Backstage passes to a TAFKAL80ETC concert, 5, 50
-Backstage passes to a TAFKAL80ETC concert, 0, 50
-Conjured Mana Cake, -2, 0
-
--------- day 6 --------
-name, sellIn, quality
-+5 Dexterity Vest, 4, 14
-Aged Brie, -4, 10
-Elixir of the Mongoose, -1, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 9, 27
-Backstage passes to a TAFKAL80ETC concert, 4, 50
-Backstage passes to a TAFKAL80ETC concert, -1, 0
-Conjured Mana Cake, -3, 0
-
--------- day 7 --------
-name, sellIn, quality
-+5 Dexterity Vest, 3, 13
-Aged Brie, -5, 12
-Elixir of the Mongoose, -2, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 8, 29
-Backstage passes to a TAFKAL80ETC concert, 3, 50
-Backstage passes to a TAFKAL80ETC concert, -2, 0
-Conjured Mana Cake, -4, 0
-
--------- day 8 --------
-name, sellIn, quality
-+5 Dexterity Vest, 2, 12
-Aged Brie, -6, 14
-Elixir of the Mongoose, -3, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 7, 31
-Backstage passes to a TAFKAL80ETC concert, 2, 50
-Backstage passes to a TAFKAL80ETC concert, -3, 0
-Conjured Mana Cake, -5, 0
-
--------- day 9 --------
-name, sellIn, quality
-+5 Dexterity Vest, 1, 11
-Aged Brie, -7, 16
-Elixir of the Mongoose, -4, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 6, 33
-Backstage passes to a TAFKAL80ETC concert, 1, 50
-Backstage passes to a TAFKAL80ETC concert, -4, 0
-Conjured Mana Cake, -6, 0
-
--------- day 10 --------
-name, sellIn, quality
-+5 Dexterity Vest, 0, 10
-Aged Brie, -8, 18
-Elixir of the Mongoose, -5, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 5, 35
-Backstage passes to a TAFKAL80ETC concert, 0, 50
-Backstage passes to a TAFKAL80ETC concert, -5, 0
-Conjured Mana Cake, -7, 0
-
--------- day 11 --------
-name, sellIn, quality
-+5 Dexterity Vest, -1, 8
-Aged Brie, -9, 20
-Elixir of the Mongoose, -6, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 4, 38
-Backstage passes to a TAFKAL80ETC concert, -1, 0
-Backstage passes to a TAFKAL80ETC concert, -6, 0
-Conjured Mana Cake, -8, 0
-
--------- day 12 --------
-name, sellIn, quality
-+5 Dexterity Vest, -2, 6
-Aged Brie, -10, 22
-Elixir of the Mongoose, -7, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 3, 41
-Backstage passes to a TAFKAL80ETC concert, -2, 0
-Backstage passes to a TAFKAL80ETC concert, -7, 0
-Conjured Mana Cake, -9, 0
-
--------- day 13 --------
-name, sellIn, quality
-+5 Dexterity Vest, -3, 4
-Aged Brie, -11, 24
-Elixir of the Mongoose, -8, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 2, 44
-Backstage passes to a TAFKAL80ETC concert, -3, 0
-Backstage passes to a TAFKAL80ETC concert, -8, 0
-Conjured Mana Cake, -10, 0
-
--------- day 14 --------
-name, sellIn, quality
-+5 Dexterity Vest, -4, 2
-Aged Brie, -12, 26
-Elixir of the Mongoose, -9, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 1, 47
-Backstage passes to a TAFKAL80ETC concert, -4, 0
-Backstage passes to a TAFKAL80ETC concert, -9, 0
-Conjured Mana Cake, -11, 0
-
--------- day 15 --------
-name, sellIn, quality
-+5 Dexterity Vest, -5, 0
-Aged Brie, -13, 28
-Elixir of the Mongoose, -10, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, 0, 50
-Backstage passes to a TAFKAL80ETC concert, -5, 0
-Backstage passes to a TAFKAL80ETC concert, -10, 0
-Conjured Mana Cake, -12, 0
-
--------- day 16 --------
-name, sellIn, quality
-+5 Dexterity Vest, -6, 0
-Aged Brie, -14, 30
-Elixir of the Mongoose, -11, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -1, 0
-Backstage passes to a TAFKAL80ETC concert, -6, 0
-Backstage passes to a TAFKAL80ETC concert, -11, 0
-Conjured Mana Cake, -13, 0
-
--------- day 17 --------
-name, sellIn, quality
-+5 Dexterity Vest, -7, 0
-Aged Brie, -15, 32
-Elixir of the Mongoose, -12, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -2, 0
-Backstage passes to a TAFKAL80ETC concert, -7, 0
-Backstage passes to a TAFKAL80ETC concert, -12, 0
-Conjured Mana Cake, -14, 0
-
--------- day 18 --------
-name, sellIn, quality
-+5 Dexterity Vest, -8, 0
-Aged Brie, -16, 34
-Elixir of the Mongoose, -13, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -3, 0
-Backstage passes to a TAFKAL80ETC concert, -8, 0
-Backstage passes to a TAFKAL80ETC concert, -13, 0
-Conjured Mana Cake, -15, 0
-
--------- day 19 --------
-name, sellIn, quality
-+5 Dexterity Vest, -9, 0
-Aged Brie, -17, 36
-Elixir of the Mongoose, -14, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -4, 0
-Backstage passes to a TAFKAL80ETC concert, -9, 0
-Backstage passes to a TAFKAL80ETC concert, -14, 0
-Conjured Mana Cake, -16, 0
-
--------- day 20 --------
-name, sellIn, quality
-+5 Dexterity Vest, -10, 0
-Aged Brie, -18, 38
-Elixir of the Mongoose, -15, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -5, 0
-Backstage passes to a TAFKAL80ETC concert, -10, 0
-Backstage passes to a TAFKAL80ETC concert, -15, 0
-Conjured Mana Cake, -17, 0
-
--------- day 21 --------
-name, sellIn, quality
-+5 Dexterity Vest, -11, 0
-Aged Brie, -19, 40
-Elixir of the Mongoose, -16, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -6, 0
-Backstage passes to a TAFKAL80ETC concert, -11, 0
-Backstage passes to a TAFKAL80ETC concert, -16, 0
-Conjured Mana Cake, -18, 0
-
--------- day 22 --------
-name, sellIn, quality
-+5 Dexterity Vest, -12, 0
-Aged Brie, -20, 42
-Elixir of the Mongoose, -17, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -7, 0
-Backstage passes to a TAFKAL80ETC concert, -12, 0
-Backstage passes to a TAFKAL80ETC concert, -17, 0
-Conjured Mana Cake, -19, 0
-
--------- day 23 --------
-name, sellIn, quality
-+5 Dexterity Vest, -13, 0
-Aged Brie, -21, 44
-Elixir of the Mongoose, -18, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -8, 0
-Backstage passes to a TAFKAL80ETC concert, -13, 0
-Backstage passes to a TAFKAL80ETC concert, -18, 0
-Conjured Mana Cake, -20, 0
-
--------- day 24 --------
-name, sellIn, quality
-+5 Dexterity Vest, -14, 0
-Aged Brie, -22, 46
-Elixir of the Mongoose, -19, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -9, 0
-Backstage passes to a TAFKAL80ETC concert, -14, 0
-Backstage passes to a TAFKAL80ETC concert, -19, 0
-Conjured Mana Cake, -21, 0
-
--------- day 25 --------
-name, sellIn, quality
-+5 Dexterity Vest, -15, 0
-Aged Brie, -23, 48
-Elixir of the Mongoose, -20, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -10, 0
-Backstage passes to a TAFKAL80ETC concert, -15, 0
-Backstage passes to a TAFKAL80ETC concert, -20, 0
-Conjured Mana Cake, -22, 0
-
--------- day 26 --------
-name, sellIn, quality
-+5 Dexterity Vest, -16, 0
-Aged Brie, -24, 50
-Elixir of the Mongoose, -21, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -11, 0
-Backstage passes to a TAFKAL80ETC concert, -16, 0
-Backstage passes to a TAFKAL80ETC concert, -21, 0
-Conjured Mana Cake, -23, 0
-
--------- day 27 --------
-name, sellIn, quality
-+5 Dexterity Vest, -17, 0
-Aged Brie, -25, 50
-Elixir of the Mongoose, -22, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -12, 0
-Backstage passes to a TAFKAL80ETC concert, -17, 0
-Backstage passes to a TAFKAL80ETC concert, -22, 0
-Conjured Mana Cake, -24, 0
-
--------- day 28 --------
-name, sellIn, quality
-+5 Dexterity Vest, -18, 0
-Aged Brie, -26, 50
-Elixir of the Mongoose, -23, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -13, 0
-Backstage passes to a TAFKAL80ETC concert, -18, 0
-Backstage passes to a TAFKAL80ETC concert, -23, 0
-Conjured Mana Cake, -25, 0
-
--------- day 29 --------
-name, sellIn, quality
-+5 Dexterity Vest, -19, 0
-Aged Brie, -27, 50
-Elixir of the Mongoose, -24, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -14, 0
-Backstage passes to a TAFKAL80ETC concert, -19, 0
-Backstage passes to a TAFKAL80ETC concert, -24, 0
-Conjured Mana Cake, -26, 0
-
--------- day 30 --------
-name, sellIn, quality
-+5 Dexterity Vest, -20, 0
-Aged Brie, -28, 50
-Elixir of the Mongoose, -25, 0
-Sulfuras, Hand of Ragnaros, 0, 80
-Sulfuras, Hand of Ragnaros, -1, 80
-Backstage passes to a TAFKAL80ETC concert, -15, 0
-Backstage passes to a TAFKAL80ETC concert, -20, 0
-Backstage passes to a TAFKAL80ETC concert, -25, 0
-Conjured Mana Cake, -27, 0
-
diff --git a/csharpcore/csharpcore.csproj b/csharpcore/csharpcore.csproj
index fefdc4c3..65b3f93f 100644
--- a/csharpcore/csharpcore.csproj
+++ b/csharpcore/csharpcore.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
@@ -7,11 +7,9 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="ApprovalTests" Version="4.2.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.7.0" />
     <PackageReference Include="xunit" Version="2.3.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" />
   </ItemGroup>
-  <ItemGroup Condition="'$(Configuration)' == 'Debug'">
-    <None Update="ThirtyDays.txt" CopyToOutputDirectory="PreserveNewest" />
-  </ItemGroup>
 </Project>