public void Custom_within_ruleset()
{
var validator = new InlineValidator <Person>();
validator.RuleSet("foo", () => { validator.Custom(x => { return(new ValidationFailure("x", "y")); }); });
validator.RuleSet("bar", () => { validator.Custom(x => { return(new ValidationFailure("x", "y")); }); });
var result = validator.Validate(new Person(), ruleSet: "foo");
result.Errors.Count.ShouldEqual(1);
}