class RuboCop::Cop::Style::RandomWithOffset

def corrected_integer_op_rand(node)
  random_call(node) do |prefix_node, random_node|
    prefix = prefix_from_prefix_node(prefix_node)
    left_int, right_int = boundaries_from_random_node(random_node)
    offset = to_int(node.receiver)
    if node.method?(:+)
      "#{prefix}(#{offset + left_int}..#{offset + right_int})"
    else
      "#{prefix}(#{offset - right_int}..#{offset - left_int})"
    end
  end
end