Update SuffixVersion

UnitTest/SuffixVersionTest.cs

@@ -0,0 +1,26 @@
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using Netch.Models.GitHubRelease;
+
+namespace UnitTest
+{
+    [TestClass]
+    public class SuffixVersionTest
+    {
+        [TestMethod]
+        public void Test()
+        {
+            var rel = SuffixVersion.Parse("1.0.0");
+            var a1 = SuffixVersion.Parse("1.0.0-Alpha1");
+            var a3 = SuffixVersion.Parse("1.0.0-aLpHa3");
+            var b2 = SuffixVersion.Parse("1.0.0-betA2");
+
+            Assert.AreEqual(rel.ToString(), "1.0.0");
+            Assert.AreEqual(a1.ToString(), "1.0.0-Alpha1");
+            Assert.IsTrue(rel.CompareTo(a1) > 0);
+            Assert.IsTrue(rel.CompareTo(b2) > 0);
+
+            Assert.IsTrue(b2.CompareTo(a1) > 0);
+            Assert.IsTrue(b2.CompareTo(a3) > 0);
+        }
+    }
+}