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# BSD 3-Clause License; see https://github.com/scikit-hep/awkward/blob/main/LICENSE
from __future__ import annotations
import pytest
import awkward as ak
def test_scalar():
array = ak.Array({"x": [1, 2, 3]})
array["x"] = 4
assert array.to_list() == [{"x": 4}, {"x": 4}, {"x": 4}]
def test_array():
array = ak.Array({"x": [1, 2, 3]})
array["x"] = [4]
assert array.to_list() == [{"x": 4}, {"x": 4}, {"x": 4}]
def test_where_non_sequence():
array = ak.Array({"x": [{"y": 1}, {"y": 2}, {"y": 3}]})
result = ak.with_field(array, 4, ("x", "y"))
assert result.to_list() == [{"x": {"y": 4}}, {"x": {"y": 4}}, {"x": {"y": 4}}]
with pytest.raises(TypeError, match=r"New fields may only be assigned "):
result = ak.with_field(array, 4, iter(("x", "y")))
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