def test_return_false_if_num_is_not_in_box(self):
     sudoku_test_box = BacktrakingAlgorithm("092300000", "0")
     square = [['1', '4', '8'], ['2', '7', '6'], ['5', '3', '0']]
     self.assertFalse(sudoku_test_box.used_in_box(square, 0, 0, 9))
 def test_return_false_if_num_is_not_in_box(self):
     sudoku_test_box = BacktrakingAlgorithm("092300000", "0")
     square = [['1', '4', '8'], ['2', '7', '6'], ['5', '3', '0']]
     self.assertFalse(sudoku_test_box.used_in_box(square, 0, 0, 9))    
 def test_return_true_if_num_is_already_in_box(self):
     sudoku_test_box = BacktrakingAlgorithm("092300000", "0")
     square = [['1', '4', '8'], ['2', '7', '6'], ['5', '3', '0']]
     self.assertTrue(sudoku_test_box.used_in_box(square, 0, 0, 1))
 def test_return_true_if_num_is_already_in_box(self):
     sudoku_test_box = BacktrakingAlgorithm("092300000", "0")
     square = [['1', '4', '8'], ['2', '7', '6'], ['5', '3', '0']]
     self.assertTrue(sudoku_test_box.used_in_box(square, 0, 0, 1))