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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_trailing_sublist():
layout = ak.contents.ListOffsetArray(
ak.index.Index(np.array([0, 6, 9, 9], dtype=np.int64)),
ak.contents.NumpyArray(np.array([1, 1, 2, 2, 2, 3, 4, 4, 5])),
)
assert ak.run_lengths(layout).to_list() == [[2, 3, 1], [2, 1], []]
def test_leading_sublist():
layout = ak.contents.ListOffsetArray(
ak.index.Index(np.array([0, 0, 6, 9], dtype=np.int64)),
ak.contents.NumpyArray(np.array([1, 1, 2, 2, 2, 3, 4, 4, 5])),
)
assert ak.run_lengths(layout).to_list() == [[], [2, 3, 1], [2, 1]]
def test_leading_trailing_sublist():
layout = ak.contents.ListOffsetArray(
ak.index.Index(np.array([0, 0, 6, 9, 9], dtype=np.int64)),
ak.contents.NumpyArray(np.array([1, 1, 2, 2, 2, 3, 4, 4, 5])),
)
assert ak.run_lengths(layout).to_list() == [[], [2, 3, 1], [2, 1], []]
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