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# BSD 3-Clause License; see https://github.com/scikit-hep/awkward/blob/main/LICENSE
from __future__ import annotations
import pickle
import numpy as np
import awkward as ak
def test_protocol_5():
# Check arrays
array = ak.Array([[1, 2, 4, 5, 6], [7, 8, 9], [10]])
buffers = []
array_round_trip = pickle.loads(
pickle.dumps(array, buffer_callback=buffers.append, protocol=5), buffers=buffers
)
assert np.shares_memory(
array_round_trip.layout.content.data, array.layout.content.data
)
# Now check records
record = ak.Record({"x": 1, "y": [2, 3]})
buffers = []
record_round_trip = pickle.loads(
pickle.dumps(record, buffer_callback=buffers.append, protocol=5),
buffers=buffers,
)
assert np.shares_memory(
record.layout.array.contents[0].data,
record_round_trip.layout.array.contents[0].data,
)
assert np.shares_memory(
record.layout.array.contents[1].content.data,
record_round_trip.layout.array.contents[1].content.data,
)
def test_protocol_4():
array = ak.Array([[1, 2, 4, 5, 6], [7, 8, 9], [10]])
array_round_trip = pickle.loads(pickle.dumps(array, protocol=4))
assert not np.shares_memory(
array_round_trip.layout.content.data, array.layout.content.data
)
# Now check records
record = ak.Record({"x": 1, "y": [2, 3]})
record_round_trip = pickle.loads(pickle.dumps(record, protocol=4))
assert not np.shares_memory(
record.layout.array.contents[0].data,
record_round_trip.layout.array.contents[0].data,
)
assert not np.shares_memory(
record.layout.array.contents[1].content.data,
record_round_trip.layout.array.contents[1].content.data,
)
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