def test_multiple_call_set_on_the_same_cell(self, tape: Tape, args: t.Sequence[int], expected_value: int) -> None:
for arg in args:
tape.set(arg)
actual_value = tape.get()
assert actual_value == expected_value
def test_multiple_shifts_right_in_one_step(self, tape: Tape, step_number: int) -> None:
for _ in range(step_number):
tape.shift_right(1)
tape.set(10)
tape.shift_left(step_number)
tape.shift_right(step_number)
assert tape.get() == 10
def test_general_valid_scenarios(self, tape: Tape, scenario: t.Sequence[t.Callable[[Tape], None]],
expected_result: int) -> None:
for step in scenario:
step(tape)
actual_result = tape.get()
assert actual_result == expected_result
def test_get(self, tape: Tape) -> None:
assert tape.get() == 0
def test_shift_right(self, tape: Tape) -> None:
tape.shift_right(1)
assert tape.get() == 0
def test_set(self, tape: Tape) -> None:
tape.set(1)
assert tape.get() == 1
def test_multiple_call_get(self, tape: Tape, call_number: int) -> None:
for _ in range(call_number):
assert tape.get() == 0
def test_can_not_set_invalid_value(self, tape: Tape, invalid_value: int) -> None:
with pytest.raises(ValueError):
tape.set(invalid_value)
def test_set_all_valid_values(self, tape: Tape) -> None:
for byte in range(0, 256):
tape.set(byte)
assert tape.get() == byte