Sample Roo code for https://github.com/roo-rb/roo/issues/621

a.rb

# frozen_string_literal: true

begin
  require "bundler/inline"
rescue LoadError => e
  $stderr.puts "Bundler version 1.10 or later is required. Please update your Bundler"
  raise e
end

gemfile(true) do
  source "https://rubygems.org"

  gem "roo"
  gem "minitest"
end

require "roo"
require "minitest/autorun"

class BugTest < Minitest::Test
  def test_stuff
    data_file = Roo::Excelx.new('Book2.xlsx')

    puts data_file.row(1, data_file.sheets[0]).inspect
    puts data_file.row(1, data_file.sheets[1]).inspect
  end
end