AoC2017/test_day25.py at master · alphapeter/AoC2017 · GitHub

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import day25
import unittest


class TestDay25a(unittest.TestCase):

    def test_test_input(self):
        self.assertEqual(3, day25.calc_a(test_input))

    def test_input(self):
        self.assertEqual(4387, day25.calc_a(input))


test_input = """Begin in state A.
Perform a diagnostic checksum after 6 steps.

In state A:
  If the current value is 0:
    - Write the value 1.
    - Move one slot to the right.
    - Continue with state B.
  If the current value is 1:
    - Write the value 0.
    - Move one slot to the left.
    - Continue with state B.

In state B:
  If the current value is 0:
    - Write the value 1.
    - Move one slot to the left.
    - Continue with state A.
  If the current value is 1:
    - Write the value 1.
    - Move one slot to the right.
    - Continue with state A."""


input = """Begin in state A.
Perform a diagnostic checksum after 12208951 steps.

In state A:
  If the current value is 0:
    - Write the value 1.
    - Move one slot to the right.
    - Continue with state B.
  If the current value is 1:
    - Write the value 0.
    - Move one slot to the left.
    - Continue with state E.

In state B:
  If the current value is 0:
    - Write the value 1.
    - Move one slot to the left.
    - Continue with state C.
  If the current value is 1:
    - Write the value 0.
    - Move one slot to the right.
    - Continue with state A.

In state C:
  If the current value is 0:
    - Write the value 1.
    - Move one slot to the left.
    - Continue with state D.
  If the current value is 1:
    - Write the value 0.
    - Move one slot to the right.
    - Continue with state C.

In state D:
  If the current value is 0:
    - Write the value 1.
    - Move one slot to the left.
    - Continue with state E.
  If the current value is 1:
    - Write the value 0.
    - Move one slot to the left.
    - Continue with state F.

In state E:
  If the current value is 0:
    - Write the value 1.
    - Move one slot to the left.
    - Continue with state A.
  If the current value is 1:
    - Write the value 1.
    - Move one slot to the left.
    - Continue with state C.

In state F:
  If the current value is 0:
    - Write the value 1.
    - Move one slot to the left.
    - Continue with state E.
  If the current value is 1:
    - Write the value 1.
    - Move one slot to the right.
    - Continue with state A."""