class Shoulda::ActiveRecord::Matchers::HaveDbColumnMatcher

def correct_default?
  return true if @default.nil?
  if matched_column.default.to_s == @default.to_s
    true
  else
    @missing = "#{model_class} has a db column named #{@column} " <<
               "of default #{matched_column.default}, " <<
               "not #{@default}."
    false
  end
end