import pytest

from ..helpers import Suite


@pytest.mark.slow_integration_test
def test_crc32():
    with open('examples/crc32.py', 'r', encoding='ASCII') as fil:
        code_py = "\n" + fil.read()

    # https://reveng.sourceforge.io/crc-catalogue/legend.htm#crc.legend.params
    in_put = b'123456789'

    # https://reveng.sourceforge.io/crc-catalogue/17plus.htm#crc.cat.crc-32-iso-hdlc
    check = 0xcbf43926

    result = Suite(code_py).run_code(in_put, func_name='crc32', do_format_check=False)

    assert check == result.returned_value