public static Base<T> Create(string typeName, string assemblyName) where T : class
        {
            string name = string.Format(
                CultureInfo.InvariantCulture, "{0}`1[[{1}]], {2}", typeName, typeof(T), assemblyName);
            Type type = Type.GetType(name, true);

            return new Derived<T>((BaseImpl<T>)type.GetProperty("Instance").GetValue(null, null));
        }

[Test]
        [ExpectedException(typeof(FileNotFoundException))]
        public void Create_throws_FileNotFoundException_if_assembly_can_not_be_found()
        {
            using (Factory.Create<string>(this.typeName, "This.File.Does.Not.Exist"))
            {
            }
        }