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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 # noqa: F401
import pytest # noqa: F401
import awkward as ak
def test():
form = ak.forms.from_dict(
{
"class": "RecordArray",
"fields": ["x", "y"],
"contents": [
{
"class": "ListOffsetArray",
"offsets": "i64",
"content": {
"class": "NumpyArray",
"primitive": "int64",
"inner_shape": [],
"parameters": {},
"form_key": "x.list.content",
},
"parameters": {},
"form_key": "x.list.offsets",
},
{
"class": "ListOffsetArray",
"offsets": "i64",
"content": {
"class": "NumpyArray",
"primitive": "int64",
"inner_shape": [],
"parameters": {},
"form_key": "y.list.content",
},
"parameters": {},
"form_key": "y.list.offsets",
},
],
"parameters": {},
}
)
layout, report = ak.typetracer.typetracer_with_report(form)
array = ak.Array(layout)
y = array.y
assert len(report.data_touched) == 0
assert len(report.shape_touched) == 0
ak.typetracer.touch_data(y)
assert len(report.data_touched) == 2
assert len(report.shape_touched) == 2
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