File: test_1539_isnone_axis_check_issue1417.py

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# BSD 3-Clause License; see https://github.com/scikit-hep/awkward/blob/main/LICENSE

from __future__ import annotations

import pytest

import awkward as ak

to_list = ak.operations.to_list


def test_1417issue_is_none_check_axis():
    array = ak.Array([[[1, 2, None], None], None])

    assert to_list(ak.is_none(array, axis=0)) == [False, True]
    assert to_list(ak.is_none(array, axis=1)) == [[False, True], None]
    assert to_list(ak.is_none(array, axis=2)) == [
        [[False, False, True], None],
        None,
    ]

    with pytest.raises(ValueError):
        ak.is_none(array, axis=3)

    assert str(ak.type(ak.is_none(array, axis=0)[0])) == "bool"

    array = ak.Array([[[[[1], [3]], [1]]], []])

    assert to_list(ak.is_none(array, axis=2)) == [[[False, False]], []]