validate_values

# File lib/rubygems/specification_policy.rb, line 359
  def validate_values
    ]author homepage summary files].each do |attribute|
      validate_attribute_present(attribute)
    end

    if description == summary
      warning "description and summary are identical"
    end

    # TODO: raise at some given date
    warning "deprecated autorequire specified" if autorequire

    executables.each do |executable|
      validate_shebang_line_in(executable)
    end

    files.select { |f| File.symlink?(f) }.each do |file|
      warning "#{file} is a symlink, which is not supported on all platforms"
    end
  end