module Hashie::Extensions::Dash::PredefinedValues::InstanceMethods

def assert_property_values!
  self.class.values_for_properties.each_key do |property|
    value = send(property)
    if value && !values_for_properties(property).include?(value)
      fail_property_value_error!(property)
    end
  end
end

def fail_property_value_error!(property)
  raise ArgumentError, "Invalid value for property '#{property}'"
end

def initialize(*)
  super
  assert_property_values!
end

def values_for_properties(property)
  self.class.values_for_properties[property]
end