File: test_1644_concatenate_zeros_length.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


def test():
    x = ak.from_numpy(np.empty((5, 0), dtype=np.float64), regulararray=True)
    y = ak.from_numpy(np.empty((8, 0), dtype=np.float64), regulararray=True)
    z = ak.concatenate([x, y], axis=0)
    assert len(z) == 13