# -*- coding: utf-8 -*-
"""Run tests for writing."""
# Author: Eric Larson <larson.eric.d@gmail.com>
#
# License: BSD-3-Clause

import pytest

from mne.io.constants import FIFF
from mne.io.write import start_file, write_int


def test_write_int(tmp_path):
    """Test that write_int raises an error on bad values."""
    with start_file(tmp_path / 'temp.fif') as fid:
        write_int(fid, FIFF.FIFF_MNE_EVENT_LIST, [2147483647])  # 2 ** 31 - 1
        write_int(fid, FIFF.FIFF_MNE_EVENT_LIST, [])  # 2 ** 31 - 1
        with pytest.raises(TypeError, match=r'.*exceeds max.*EVENT_LIST\)'):
            write_int(fid, FIFF.FIFF_MNE_EVENT_LIST, [2147483648])  # 2 ** 31
        with pytest.raises(TypeError, match='Cannot safely write'):
            write_int(fid, FIFF.FIFF_MNE_EVENT_LIST, [0.])  # float