File: test_1502_getitem_jagged_issue1406.py

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

from __future__ import annotations

import numpy as np
import pytest  # noqa: F401

import awkward as ak

to_list = ak.operations.to_list


def test_1406issue():
    array = ak.Array(
        ak.contents.ListOffsetArray(
            ak.index.Index64(np.array([1, 3], dtype=np.int64)),
            ak.contents.ListOffsetArray(
                ak.index.Index64(np.array([0, 2, 2, 3], dtype=np.int64)),
                ak.contents.NumpyArray(np.array([0, 1, 2], dtype=np.int64)),
            ),
        ),
        check_valid=True,
    )

    index = ak.Array(
        ak.contents.ListOffsetArray(
            ak.index.Index64(np.array([0, 2], dtype=np.int64)),
            ak.contents.IndexedOptionArray(
                ak.index.Index64(np.array([0, 1], dtype=np.int64)),
                ak.contents.ListOffsetArray(
                    ak.index.Index64(np.array([0, 0, 1], dtype=np.int64)),
                    ak.contents.NumpyArray(np.array([0], dtype=np.int64)),
                ),
            ),
        ),
        check_valid=True,
    )
    assert to_list(array[index]) == [[[], [2]]]


def test_success_remove_option_type():
    array = ak.Array(
        ak.contents.ListOffsetArray(
            ak.index.Index64(np.array([1, 3], dtype=np.int64)),
            ak.contents.ListOffsetArray(
                ak.index.Index64(np.array([0, 2, 2, 3], dtype=np.int64)),
                ak.contents.NumpyArray(np.array([0, 1, 2], dtype=np.int64)),
            ),
        ),
        check_valid=True,
    )

    index = ak.Array(
        ak.contents.ListOffsetArray(
            ak.index.Index64(np.array([0, 2], dtype=np.int64)),
            ak.contents.ListOffsetArray(
                ak.index.Index64(np.array([0, 0, 1], dtype=np.int64)),
                ak.contents.NumpyArray(np.array([0], dtype=np.int64)),
            ),
        ),
        check_valid=True,
    )

    assert to_list(array[index]) == [[[], [2]]]


def test_success_start_offset0():
    array = ak.Array(
        ak.contents.ListOffsetArray(
            ak.index.Index64(np.array([0, 2], dtype=np.int64)),
            ak.contents.ListOffsetArray(
                ak.index.Index64(np.array([2, 2, 3], dtype=np.int64)),
                ak.contents.NumpyArray(np.array([0, 1, 2], dtype=np.int64)),
            ),
        ),
        check_valid=True,
    )

    index = ak.Array(
        ak.contents.ListOffsetArray(
            ak.index.Index64(np.array([0, 2], dtype=np.int64)),
            ak.contents.IndexedOptionArray(
                ak.index.Index64(np.array([0, 1], dtype=np.int64)),
                ak.contents.ListOffsetArray(
                    ak.index.Index64(np.array([0, 0, 1], dtype=np.int64)),
                    ak.contents.NumpyArray(np.array([0], dtype=np.int64)),
                ),
            ),
        ),
        check_valid=True,
    )

    assert to_list(array[index]) == [[[], [2]]]


def test_success_nonempty_list():
    array = ak.Array(
        ak.contents.ListOffsetArray(
            ak.index.Index64(np.array([1, 3], dtype=np.int64)),
            ak.contents.ListOffsetArray(
                ak.index.Index64(np.array([0, 1, 2, 3], dtype=np.int64)),
                ak.contents.NumpyArray(np.array([0, 1, 2], dtype=np.int64)),
            ),
        ),
        check_valid=True,
    )

    index = ak.Array(
        ak.contents.ListOffsetArray(
            ak.index.Index64(np.array([0, 2], dtype=np.int64)),
            ak.contents.IndexedOptionArray(
                ak.index.Index64(np.array([0, 1], dtype=np.int64)),
                ak.contents.ListOffsetArray(
                    ak.index.Index64(np.array([0, 1, 2], dtype=np.int64)),
                    ak.contents.NumpyArray(np.array([0, 0], dtype=np.int64)),
                ),
            ),
        ),
        check_valid=True,
    )

    assert to_list(array[index]) == [[[1], [2]]]