Pillow/checks/check_j2k_overflow.py

from __future__ import annotations

from pathlib import Path

import pytest

from PIL import Image


def test_j2k_overflow(tmp_path: Path) -> None:
    im = Image.new("RGBA", (1024, 131584))
    target = tmp_path / "temp.jpc"
    with pytest.raises(OSError):
        im.save(target)