diff --git a/.gitignore b/.gitignore
index d7b7d39..d0ea75b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@
*/bin/*
*/obj/*
/.vs/*
+packages/*
diff --git a/AdventOfCode2018.Tests/AdventOfCode2018.Tests.csproj b/AdventOfCode2018.Tests/AdventOfCode2018.Tests.csproj
new file mode 100644
index 0000000..0879b8e
--- /dev/null
+++ b/AdventOfCode2018.Tests/AdventOfCode2018.Tests.csproj
@@ -0,0 +1,106 @@
+
+
+
+
+ Debug
+ AnyCPU
+ {EE35694D-97C1-485D-9FFE-73912FA97446}
+ Library
+ Properties
+ AdventOfCode2018Tests
+ AdventOfCode2018Tests
+ v4.6.1
+ 512
+ {3AC096D0-A1C2-E12C-1390-A8335801FDAB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}
+ 10.0
+ $(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)
+ $(ProgramFiles)\Common Files\microsoft shared\VSTT\$(VisualStudioVersion)\UITestExtensionPackages
+ False
+ UnitTest
+
+
+
+
+
+ true
+ full
+ false
+ bin\Debug\
+ DEBUG;TRACE
+ prompt
+ 4
+
+
+ pdbonly
+ true
+ bin\Release\
+ TRACE
+ prompt
+ 4
+
+
+
+ ..\packages\MSTest.TestFramework.1.3.2\lib\net45\Microsoft.VisualStudio.TestPlatform.TestFramework.dll
+
+
+ ..\packages\MSTest.TestFramework.1.3.2\lib\net45\Microsoft.VisualStudio.TestPlatform.TestFramework.Extensions.dll
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ {43DAF84F-369A-48C5-9292-536094336F8F}
+ AdventOfCode2018
+
+
+
+
+
+
+ False
+
+
+ False
+
+
+ False
+
+
+ False
+
+
+
+
+
+
+
+
+ This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them. For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/AdventOfCode2018.Tests/Day01_Tests.cs b/AdventOfCode2018.Tests/Day01_Tests.cs
new file mode 100644
index 0000000..d5c7691
--- /dev/null
+++ b/AdventOfCode2018.Tests/Day01_Tests.cs
@@ -0,0 +1,48 @@
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace AdventOfCode2018.Tests
+{
+ [TestClass()]
+ public class Day01_Tests
+ {
+ [TestMethod()]
+ public void ResolveDay01__Test1()
+ {
+ Day01 day01 = new Day01();
+
+ string result = day01.ResolveDay01(new string[] { "+1", "-2", "+3", "+1", });
+
+ Assert.AreEqual("3", result);
+ }
+
+ [TestMethod()]
+ public void ResolveDay01__Test2()
+ {
+ Day01 day01 = new Day01();
+
+ string result = day01.ResolveDay01(new string[] { "+1", "+1", "+1", });
+
+ Assert.AreEqual("3", result);
+ }
+
+ [TestMethod()]
+ public void ResolveDay01__Test3()
+ {
+ Day01 day01 = new Day01();
+
+ string result = day01.ResolveDay01(new string[] { "+1", "+1", "-2", });
+
+ Assert.AreEqual("0", result);
+ }
+
+ [TestMethod()]
+ public void ResolveDay01__Test4()
+ {
+ Day01 day01 = new Day01();
+
+ string result = day01.ResolveDay01(new string[] { "-1", "-2", "-3", });
+
+ Assert.AreEqual("-6", result);
+ }
+ }
+}
\ No newline at end of file
diff --git a/AdventOfCode2018.Tests/Properties/AssemblyInfo.cs b/AdventOfCode2018.Tests/Properties/AssemblyInfo.cs
new file mode 100644
index 0000000..ee2b80e
--- /dev/null
+++ b/AdventOfCode2018.Tests/Properties/AssemblyInfo.cs
@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("AdventOfCode2018Tests")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("AdventOfCode2018Tests")]
+[assembly: AssemblyCopyright("Copyright © 2018")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components. If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("ee35694d-97c1-485d-9ffe-73912fa97446")]
+
+// Version information for an assembly consists of the following four values:
+//
+// Major Version
+// Minor Version
+// Build Number
+// Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/AdventOfCode2018.Tests/packages.config b/AdventOfCode2018.Tests/packages.config
new file mode 100644
index 0000000..102a45c
--- /dev/null
+++ b/AdventOfCode2018.Tests/packages.config
@@ -0,0 +1,5 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/AdventOfCode2018.sln b/AdventOfCode2018.sln
index 98a2599..3577bbc 100644
--- a/AdventOfCode2018.sln
+++ b/AdventOfCode2018.sln
@@ -5,6 +5,8 @@ VisualStudioVersion = 15.0.28307.136
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AdventOfCode2018", "AdventOfCode2018\AdventOfCode2018.csproj", "{43DAF84F-369A-48C5-9292-536094336F8F}"
EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AdventOfCode2018.Tests", "AdventOfCode2018.Tests\AdventOfCode2018.Tests.csproj", "{EE35694D-97C1-485D-9FFE-73912FA97446}"
+EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
@@ -15,6 +17,10 @@ Global
{43DAF84F-369A-48C5-9292-536094336F8F}.Debug|Any CPU.Build.0 = Debug|Any CPU
{43DAF84F-369A-48C5-9292-536094336F8F}.Release|Any CPU.ActiveCfg = Release|Any CPU
{43DAF84F-369A-48C5-9292-536094336F8F}.Release|Any CPU.Build.0 = Release|Any CPU
+ {EE35694D-97C1-485D-9FFE-73912FA97446}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {EE35694D-97C1-485D-9FFE-73912FA97446}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {EE35694D-97C1-485D-9FFE-73912FA97446}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {EE35694D-97C1-485D-9FFE-73912FA97446}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE