jjerphan commented on code in PR #35582:
URL: https://github.com/apache/arrow/pull/35582#discussion_r1257453294
##########
python/pyarrow/tests/test_array.py:
##########
@@ -168,6 +168,28 @@ def test_to_numpy_zero_copy():
np.testing.assert_array_equal(np_arr, expected)
+def test_chunked_array_to_numpy_zero_copy():
+ elements = [[2, 2, 4], [4, 5, 100]]
+
+ chunked_arr = pa.chunked_array(elements)
+
+ msg = "zero_copy_only must be False for pyarrow.ChunkedArray.to_numpy"
+
+ with pytest.raises(ValueError, match=msg):
+ chunked_arr.to_numpy(zero_copy_only=True)
+
+ np_arr = chunked_arr.to_numpy()
+
+ chunked_arr = None
+ import gc
+ gc.collect()
+
+ # Ensure base is still valid
+ assert np_arr.base is not None
Review Comment:
OK, so we do not want to test the presence of `np_arr.base` here?
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