text: import unittest
  import sys
  import os
  sys.path.append(os.path.abspath('../'))
  from simulated_game import SimulatedGame
  
  class TestSimulatedGame(unittest.TestCase):
      
      def setUp(self):
          self.game = SimulatedGame()
          
      def tearDown(self):
          pass
      
      def test_get_diff(self):
          diff = self.game.get_diff([], [1,4,7,2,7,9])
          self.assertEqual(diff, [0,6,1,4,7,2,7,9])
          diff = self.game.get_diff([1,1,1,1], [1,1,1,2,3,3,3,3])
          self.assertEqual(diff, [3,5,2,3,3,3,3])
          diff = self.game.get_diff([1,1,1,1,1,4,4,4,4,4], [1,1,1,2,3,4,4,4,5,5,6])
          self.assertEqual(diff, [3,2,2,3,3,3,5,5,6])
          
  if __name__ == '__main__':
      unittest.main()