Adds testing (#118)

Projects/Server.Tests/Network/Packets/DamageOldPacketTests.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Buffers.Binary;
+using Server.Network;
+using Xunit;
+
+namespace Server.Tests.Network.Packets
+{
+  public class DamageOldPacketTests : IClassFixture<ServerFixture>
+  {
+    private Mobile mobile;
+
+    public DamageOldPacketTests(ServerFixture fixture) => mobile = fixture.mobile;
+
+    [Theory]
+    [InlineData(10, 10)]
+    [InlineData(-5, 0)]
+    [InlineData(1024, 255)]
+    public void TestDamagePacketOld(int inputAmount, byte expectedAmount)
+    {
+      DamagePacketOld packet = new DamagePacketOld(mobile, inputAmount);
+
+      Span<byte> data = packet.Compile(false, out int length).AsSpan(0, length);
+
+      byte[] expectedData = {
+        0xBF, // Packet
+        0x00, 0x0B, // Length
+        0x00, 0x22, // Sub-packet
+        0x01, // Command
+        0x00, 0x00, 0x00, 0x01, // Serial
+        expectedAmount // Amount
+      };
+
+      Assert.Equal(data.ToArray(), expectedData);
+    }
+  }
+}

Projects/Server.Tests/Server.Tests.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.6.1" />
+    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" />
+    <PackageReference Include="coverlet.collector" Version="1.2.1" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\Scripts\Scripts.csproj" />
+    <ProjectReference Include="..\Server\Server.csproj" />
+  </ItemGroup>
+</Project>

Projects/Server.Tests/ServerFixture.cs

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+using System;
+using Server.Misc;
+
+namespace Server.Tests
+{
+  public class ServerFixture : IDisposable
+  {
+    public Mobile mobile { get; }
+
+    public ServerFixture()
+    {
+      // Configure / Initialize
+      MapDefinitions.Configure();
+
+      World.Load();
+
+      mobile = new Mobile(0x1);
+    }
+
+    public void Dispose()
+    {
+    }
+  }
+}