public static void Validate_Casting_Scenarios()
{
Console.WriteLine($"{nameof(Validate_Casting_Scenarios)}...");
// Opcodes that can handle cases naturally for ByRefLike types should fail.
// Since ByRefLike types can never be boxed, it stands to reason attempting
// to cast an object to a ByRefLike type will always return null or throw an
// appropriate exception.
Assert.False(Exec.InstanceOfT(new object()));
Assert.Throws <InvalidCastException>(() => { Exec.CastToT(new object()); });
Assert.Throws <InvalidCastException>(() => { Exec.UnboxToT(new object()); });
}