from hypothesis import given

from rene.exact import (Empty,
                        Multipolygon,
                        Polygon)
from tests.exact_tests.hints import MaybeShapedCompound
from tests.utils import reverse_multipolygon_polygons
from . import strategies


@given(strategies.multipolygons, strategies.maybe_shaped_compounds)
def test_basic(first: Multipolygon, second: MaybeShapedCompound) -> None:
    result = first - second

    assert isinstance(result, (Empty, Multipolygon, Polygon))


@given(strategies.multipolygons, strategies.maybe_shaped_compounds)
def test_reversals(first: Multipolygon, second: MaybeShapedCompound) -> None:
    result = first - second

    assert result == reverse_multipolygon_polygons(first) - second