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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_nan():
array = ak.Array([1, 2, np.nan, 3, 0, np.nan])
assert ak.operations.argsort(array).to_list() == [
2,
5,
4,
0,
1,
3,
]
# Note, `nan` comparison with `nan` returns False
assert str(ak.operations.sort(array).to_list()) == "[nan, nan, 0.0, 1.0, 2.0, 3.0]"
def test_bool():
array = ak.Array([True, False, False, True, True, True])
assert ak.operations.argsort(array).to_list() == [1, 2, 0, 3, 4, 5]
assert ak.operations.sort(array).to_list() == [
False,
False,
True,
True,
True,
True,
]
def test_argsort():
array = ak.Array([1, 2, None, 3, 0, None])
assert ak.operations.argsort(array).to_list() == [4, 0, 1, 3, 2, 5]
assert array[ak.operations.argsort(array)].to_list() == [
0,
1,
2,
3,
None,
None,
]
def test_argsort_2d():
array = ak.Array([[1, 2, None, 3, 0, None], [1, 2, None, 3, 0, None]])
assert ak.operations.argsort(array).to_list() == [
[4, 0, 1, 3, 2, 5],
[4, 0, 1, 3, 2, 5],
]
assert array[ak.operations.argsort(array)].to_list() == [
[
0,
1,
2,
3,
None,
None,
],
[
0,
1,
2,
3,
None,
None,
],
]
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