# This test code was written by the `hypothesis.extra.ghostwriter` module
# and is provided under the Creative Commons Zero public domain dedication.

import base64
from hypothesis import given, strategies as st

# TODO: replace st.nothing() with an appropriate strategy


@given(altchars=st.none(), s=st.nothing(), validate=st.booleans())
def test_roundtrip_b64encode_b64decode(altchars, s, validate) -> None:
    value0 = base64.b64encode(s=s, altchars=altchars)
    value1 = base64.b64decode(s=value0, altchars=altchars, validate=validate)
    assert s == value1, (s, value1)
