import pytest
from hypothesis import given

from rithm.integer import Int
from tests.utils import IntWithBuiltin
from . import strategies


@given(strategies.ints_with_builtins, strategies.small_ints)
def test_connection_with_divmod(base_with_builtin: IntWithBuiltin,
                                shift: Int) -> None:
    base, base_builtin = base_with_builtin

    try:
        result = base_builtin << shift
    except (MemoryError, OverflowError, ValueError) as exception:
        with pytest.raises(type(exception)):
            base << shift
    else:
        assert result == base << shift
