public void Id1()
        {
            var validator = new IdValidValidator();
            var errors    = validator.Validate(new Person {
                Id = 1
            });

            Assert.AreEqual(0, errors.Count);
        }
        public void Id0()
        {
            var validator = new IdValidValidator();
            var errors    = validator.Validate(new Person {
                Id = 0
            });

            Assert.AreEqual(1, errors.Count);
            Assert.AreEqual("Id not valid!", errors[0]);
        }