Friendly Robots (somewhere in 2010?)

friendly.rb

#!/usr/bin/env ruby

class FriendlyRobots
  
  $num_test_case = nil
  $test_case = Array.new
  
  def get_num_test_case
    puts "How fast can the robots complete the hallway?"
    puts "Please, input the test case: (an integer value)"
    $num_test_case = gets.to_i
    if $num_test_case > 0 then 
      return self
    end
  end
  
  def run_test_case
    i = 1
    values = Array.new
    puts "Here will follow the number of the test case you typed."
    1.upto($num_test_case) do
      puts "type the line number #{i}"
      $test_case[i] = gets.to_i
      i += 1
    end
  end
  
  def get_position
    puts "The current test case is #{$num_test_case}"
    $test_case.each do |t|
      puts "test case num #{t}"
    end
  end
  
  def execute_test
    self.run_test_case
    self.get_position
  end
  
end



input = FriendlyRobots.new
input.get_num_test_case.execute_test