Tests: Rename TestIDAOutput -> TestUnityVersion

Il2CppTests/TestUnityVersion.cs

@@ -0,0 +1,29 @@
+/*
+    Copyright 2017-2020 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com
+    Copyright 2020 Robert Xiao - https://robertxiao.ca
+
+    All rights reserved.
+*/
+
+using System.IO;
+using Il2CppInspector.Cpp.UnityHeaders;
+using Il2CppInspector.Reflection;
+using NUnit.Framework;
+
+namespace Il2CppInspector
+{
+    [TestFixture]
+    public partial class FixedTests
+    {
+        [Test]
+        public void TestVersions() {
+            Assert.That(UnityHeader.GetHeaderForVersion("5.3.1p4").ToString(), Is.EqualTo("5.3.0 - 5.3.1"));
+            Assert.That(UnityHeader.GetHeaderForVersion("5.6.4").ToString(), Is.EqualTo("5.6.0 - 5.6.7"));
+            Assert.That(new UnityVersion("2020.1.0b5").ToString(), Is.EqualTo("2020.1.0b5"));
+            Assert.That(new UnityVersion("2020.1").ToString(), Is.EqualTo("2020.1.0"));
+            Assert.That(new UnityVersion("5.3.1").CompareTo("5.3.1p4") == 0);
+            Assert.That(new UnityVersion("5.3.1rc0").CompareTo("5.3.1p2") < 0);
+            Assert.That(new UnityVersion("5.3.1f1").CompareTo("5.3.1p0") < 0);
+        }
+    }
+}