def test_set_string_empty_tape_left_left_right_a(): tape = Tape('B', ['a', 'b', 'X', 'B'], []) tape.move_left() tape.move_left() tape.move_right() tape.set_content('a') assert "(['B', 'a'])@1" == str(tape)
def test_set_content_empty_tape_left_left_right(): tape = Tape('B', ['a', 'b', 'X', 'B'], []) tape.move_left() tape.move_left() tape.move_right() tape.set_content('a') assert tape.get_content() == 'a' assert tape.position == 1 assert tape.content == ['B', 'a']
def test_get_content_of_non_empty_tape_with_head_moved_to_right_left(): tape = Tape('B', ['a', 'b', 'X', 'B'], ['a', 'b']) tape.move_right() tape.move_left() assert tape.get_content() == 'a'
def test_get_content_of_non_empty_tape_at_start_with_head_moved_to_left(): tape = Tape('B', ['a', 'b', 'X', 'B'], ['a', 'b']) tape.move_left() assert tape.get_content() == 'B' assert tape.position == 0