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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():
data = np.array([0, 2, 2, 3], dtype="i8")
offsets = ak.index.Index64(data)
assert np.asarray(offsets.data).tolist() == [0, 2, 2, 3]
assert offsets[0] == 0
assert offsets[1] == 2
assert offsets[2] == 2
assert offsets[3] == 3
data[2] = 999
assert offsets[2] == 999
data = np.array([0, 2, 2, 3], dtype="i4")
offsets = ak.index.Index32(data)
assert np.asarray(offsets.data).tolist() == [0, 2, 2, 3]
assert offsets[0] == 0
assert offsets[1] == 2
assert offsets[2] == 2
assert offsets[3] == 3
data[2] = 999
assert offsets[2] == 999
content = ak.contents.NumpyArray(np.arange(12).reshape(3, 4))
data = np.array([0, 2, 2, 3], dtype="i4")
offsets = ak.index.Index32(data)
array = ak.contents.ListOffsetArray(offsets, content)
assert ak.to_numpy(content).tolist() == [[0, 1, 2, 3], [4, 5, 6, 7], [8, 9, 10, 11]]
assert ak.to_numpy(content[0]).tolist() == [0, 1, 2, 3]
assert content.to_typetracer()[0].form == content[0].form
assert ak.to_numpy(content[1]).tolist() == [4, 5, 6, 7]
assert content.to_typetracer()[1].form == content[1].form
assert ak.to_numpy(content[2]).tolist() == [8, 9, 10, 11]
assert content.to_typetracer()[2].form == content[2].form
assert [content[i][j] for i in range(3) for j in range(4)] == [
0,
1,
2,
3,
4,
5,
6,
7,
8,
9,
10,
11,
]
assert ak.to_numpy(array[0]).tolist() == [[0, 1, 2, 3], [4, 5, 6, 7]]
assert array.to_typetracer()[0].form == array[0].form
assert ak.to_numpy(array[1]).tolist() == []
assert array.to_typetracer()[1].form == array[1].form
assert ak.to_numpy(array[2]).tolist() == [[8, 9, 10, 11]]
assert array.to_typetracer()[2].form == array[2].form
assert ak.to_numpy(array[1:3][0]).tolist() == []
assert array.to_typetracer()[1:3][0].form == array[1:3][0].form
assert ak.to_numpy(array[1:3][1]).tolist() == [[8, 9, 10, 11]]
assert array.to_typetracer()[1:3][1].form == array[1:3][1].form
assert ak.to_numpy(array[2:3][0]).tolist() == [[8, 9, 10, 11]]
assert array.to_typetracer()[2:3][0].form == array[2:3][0].form
def test_len():
offsets = ak.index.Index32(np.array([0, 2, 2, 3], dtype="i4"))
content = ak.contents.NumpyArray(np.arange(12).reshape(4, 3))
array = ak.contents.ListOffsetArray(offsets, content)
assert len(content) == 4
assert len(array) == 3
def test_members():
offsets = ak.index.Index32(np.array([0, 2, 2, 3], dtype="i4"))
content = ak.contents.NumpyArray(np.arange(12).reshape(3, 4))
array = ak.contents.ListOffsetArray(offsets, content)
new = ak.contents.ListOffsetArray(offsets, array)
assert np.asarray(array.offsets.data).tolist() == [0, 2, 2, 3]
assert ak.to_numpy(array.content).tolist() == [
[0, 1, 2, 3],
[4, 5, 6, 7],
[8, 9, 10, 11],
]
assert np.asarray(new.offsets.data).tolist() == [0, 2, 2, 3]
assert np.asarray(new.content.offsets.data).tolist() == [0, 2, 2, 3]
assert ak.to_numpy(new.content.content).tolist() == [
[0, 1, 2, 3],
[4, 5, 6, 7],
[8, 9, 10, 11],
]
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