Method: ActiveModel::Validations::LengthValidator#check_validity!

Defined in:
activemodel/lib/active_model/validations/length.rb

#check_validity! ⇒ Object 



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# File 'activemodel/lib/active_model/validations/length.rb', line 29

def check_validity!
  keys = CHECKS.keys & options.keys

  if keys.empty?
    raise ArgumentError, "Range unspecified. Specify the :in, :within, :maximum, :minimum, or :is option."
  end

  keys.each do |key|
    value = options[key]

    unless (value.is_a?(Integer) && value >= 0) ||
            value == Float::INFINITY || value == -Float::INFINITY ||
            value.is_a?(Symbol) || value.is_a?(Proc)
      raise ArgumentError, ":#{key} must be a non-negative Integer, Infinity, Symbol, or Proc"
    end
  end
end