Braintree.ValidationErrors.AddError C# (CSharp) 메소드

        public virtual void AddError(string fieldName, ValidationError error)
        {
            if (!errors.ContainsKey(fieldName)) errors[fieldName] = new List<ValidationError>();

            errors[fieldName].Add(error);
        }

 public void Size_WithShallowErrors()
 {
     ValidationErrors errors = new ValidationErrors();
     errors.AddError("country_name", new ValidationError("country_name", "1", "invalid country"));
     errors.AddError("another_field", new ValidationError("another_field", "2", "another message"));
     Assert.AreEqual(2, errors.Count);
 }