public void MustMustValidateEntity()
{
CustomerValidator customerValidator = new CustomerValidator();
customerValidator.AddRule(x => x.RuleFor(y => y.Age).Must(y => y.HasValue && y > 35));
Assert.IsFalse(customerValidator.Validate(new Customer()).IsValid);
Assert.IsFalse(customerValidator.Validate(new Customer {
Age = 35
}).IsValid);
Assert.IsTrue(customerValidator.Validate(new Customer {
Age = 36
}).IsValid);
}
