Pillow/Tests/test_image_tobitmap.py

18 lines
368 B
Python

from __future__ import annotations
import pytest
from .helper import assert_image_equal, fromstring, hopper
def test_sanity() -> None:
with pytest.raises(ValueError):
hopper().tobitmap()
im1 = hopper().convert("1")
bitmap = im1.tobitmap()
assert isinstance(bitmap, bytes)
assert_image_equal(im1, fromstring(bitmap))