public void CanValidate () { SubclassTypeValidator v = new SubclassTypeValidator (typeof (A)); Assert.IsFalse (v.CanValidate (typeof (string))); Assert.IsFalse (v.CanValidate (typeof (int))); Assert.IsFalse (v.CanValidate (typeof (object))); Assert.IsTrue (v.CanValidate (typeof (Type))); }