from src.u6_tests.U6_Freitag_testing.catching_exeptions import double_integers
import pytest


def test_double_integers_with_invalid_input():
    with pytest.raises(TypeError):
        double_integers("not a list")

    with pytest.raises(TypeError):
        double_integers([1, 2, "not an int"])


@pytest.mark.parametrize(
    "input_data, expected_output",
    [([1, 2, 3], [2, 4, 6]), ([0, -1, -2], [0, -2, -4]), ([], [])],
)
def test_double_integers(input_data, expected_output):
    assert double_integers(input_data) == expected_output