public void BeCreated()
{
Machine machine = new Machine();
IClass cls = machine.CreateClass("Rectangle");
Assert.IsNotNull(cls);
Assert.AreEqual("Rectangle", cls.Name);
Assert.IsNull(cls.GetInstanceMethod("x"));
Assert.IsNull(cls.GetClassMethod("x"));
Assert.IsNotNull(cls.SuperClass);
Assert.IsInstanceOfType(cls.SuperClass, typeof(IClass));
Assert.AreEqual("UndefinedObject", ((IClass)cls.SuperClass).Name);
}