Adding Domain and IPAddress comparer

UnitTests/Common/Comparer/IPAddressComparerTests.cs

@@ -0,0 +1,58 @@
+using System.Net;
+using AMWD.Common.Comparer;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace UnitTests.Common.Comparer
+{
+	[TestClass]
+	public class IPAddressComparerTests
+	{
+		[DataTestMethod]
+		[DataRow("127.0.0.0", "127.0.0.1")]
+		[DataRow("fe80::", "fe80::1")]
+		[DataRow("::ffff:7f00:0", "127.0.0.1")]
+		public void ShouldBeLessThan(string left, string right)
+		{
+			// Arrange
+			var comparer = new IPAddressComparer();
+
+			// Act
+			int result = comparer.Compare(IPAddress.Parse(left), IPAddress.Parse(right));
+
+			// Assert
+			Assert.AreEqual(-1, result);
+		}
+
+		[DataTestMethod]
+		[DataRow("127.0.0.1", "127.0.0.0")]
+		[DataRow("fe80::1", "fe80::")]
+		[DataRow("::ffff:7f00:1", "127.0.0.0")]
+		public void ShouldBeGreaterThan(string left, string right)
+		{
+			// Arrange
+			var comparer = new IPAddressComparer();
+
+			// Act
+			int result = comparer.Compare(IPAddress.Parse(left), IPAddress.Parse(right));
+
+			// Assert
+			Assert.AreEqual(1, result);
+		}
+
+		[DataTestMethod]
+		[DataRow("127.0.0.1", "127.0.0.1")]
+		[DataRow("fe80::1", "fe80::1")]
+		[DataRow("::ffff:7f00:1", "127.0.0.1")]
+		public void ShouldBeEqual(string left, string right)
+		{
+			// Arrange
+			var comparer = new IPAddressComparer();
+
+			// Act
+			int result = comparer.Compare(IPAddress.Parse(left), IPAddress.Parse(right));
+
+			// Assert
+			Assert.AreEqual(0, result);
+		}
+	}
+}