Add some unit tests

E5Renewer.Tests/TypeArrayExtendsTests.cs

@@ -0,0 +1,25 @@
+namespace E5Renewer.Tests;
+
+/// <summary>
+/// Test
+/// <see cref="TypeArrayExtends"/>
+/// </summary>
+[TestClass]
+public class TypeArrayExtendsTests
+{
+    private void TestGetNonAbstractClassesAssainableToHelper<T>(uint count)
+    {
+        IEnumerable<Type> typesFound = typeof(TypeArrayExtendsTests).Assembly.GetTypes().GetNonAbstractClassesAssainableTo<T>();
+        Assert.AreEqual((int)count, typesFound.Count());
+    }
+
+    /// <summary>
+    /// Test
+    /// <see cref="TestGetNonAbstractClassesAssainableTo"/>
+    /// </summary>
+    [TestMethod]
+    public void TestGetNonAbstractClassesAssainableTo()
+    {
+        this.TestGetNonAbstractClassesAssainableToHelper<TypeArrayExtendsTests>(1);
+    }
+}

E5Renewer.Tests/WebApplicationExtendsTests.cs

@@ -0,0 +1,10 @@
+namespace E5Renewer.Tests;
+
+/// <summary> Test
+/// <see cref="WebApplicationExtends"/>.
+/// </summary>
+[TestClass]
+public class WebApplicationExtendsTests
+{
+
+}