def test_set_dead():
game = Life()
game.set_dead((0, 0))
assert not game.is_alive((0, 0))
game.set_living((0, 0))
assert game.is_alive((0, 0))
game.set_dead((0, 0))
assert not game.is_alive((0, 0))
def test_non_integer_set_dead():
# Technically nothing bad could happen by them calling set_dead with something invalid anyway --- since it could never exist in the set as set_living checks it is valid. It seems better to explicitly throw an exception, however, so that if an accidental mistake was made, it could be caught early.
game = Life()
with pytest.raises(TypeError):
game.set_dead((True, True))
with pytest.raises(TypeError):
game.set_dead(('test', 'test'))
assert (True, True) not in game.living
assert ('test', 'test') not in game.living