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# BSD 3-Clause License; see https://github.com/scikit-hep/awkward/blob/main/LICENSE
from __future__ import annotations
import traceback
import cupy as cp
import numpy as np # noqa: F401
import pytest
import awkward as ak
import awkward._connect.cuda
try:
ak.numba.register_and_check()
except ImportError:
pytest.skip(reason="too old Numba version", allow_module_level=True)
def test():
v2_array = ak.Array([1, 2, 3, 4, 5]).layout
stream = cp.cuda.Stream(non_blocking=True)
v2_array_cuda = ak.to_backend(v2_array, "cuda")
with cp.cuda.Stream() as stream:
v2_array_cuda[10,]
v2_array_cuda[11,]
v2_array_cuda[12,]
with pytest.raises(ValueError) as err:
awkward._connect.cuda.synchronize_cuda(stream)
assert isinstance(err.value, ValueError)
message = "".join(traceback.format_exception(err.type, err.value, err.tb))
assert (
"ValueError: index out of range in compiled CUDA code "
"(awkward_RegularArray_getitem_next_at)\n"
"\n"
"This error occurred while attempting to slice\n"
"\n"
" <Array [1, 2, 3, 4, 5] type='5 * int64'>\n"
"\n"
"with\n"
"\n"
" (10)\n"
) in message
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