public void AttributeWithNullRulesetCannotBeUsedAsValidationAttribute()
        {
            ValidationAttribute attribute = new ObjectValidatorAttribute();

            try
            {
                attribute.IsValid("");
                Assert.Fail("should have thrown");
            }
            catch (NotSupportedException)
            {
            }
        }
        public void AttributeWithNonNullRulesetReturnsValid()
        {
            ValidationAttribute attribute = new ObjectValidatorAttribute() { Ruleset = "some ruleset" };

            Assert.IsTrue(attribute.IsValid(""));
        }