from contextlib import suppress
import pytest
from hypothesis import given
from tests.utils import Integer
from . import strategies
@given(strategies.signed_integers)
def test_basic(integer: Integer) -> None:
with suppress(OverflowError):
result = integer.neg()
assert isinstance(result, type(integer))
@given(strategies.signed_integers)
def test_connection_with___neg__(integer: Integer) -> None:
try:
result = integer.neg()
except OverflowError as error:
with pytest.raises(type(error)):
-integer
else:
assert result == -integer