jorisvandenbossche commented on code in PR #43974:
URL: https://github.com/apache/arrow/pull/43974#discussion_r1753437281


##########
python/pyarrow/tests/test_table.py:
##########
@@ -3781,11 +3785,15 @@ def test_table_non_cpu(cuda_context, cpu_table, 
cuda_table,
 
     # add_column(), set_column() test
     for fn in [cuda_table.add_column, cuda_table.set_column]:
-        col = pa.array([1] * cuda_table.num_rows, pa.int8()
-                       ).copy_to(cuda_context.memory_manager)
-        new_table = fn(2, 'c2', col)
+        cpu_col = pa.array([1] * N, pa.int8())
+        cuda_col = cpu_col.copy_to(cuda_context.memory_manager)
+        new_table = fn(2, 'c2', cuda_col)
         verify_cuda_table(new_table, expected_schema=schema.append(
             pa.field('c2', pa.int8())))
+        new_table = fn(2, 'c2', cpu_col)
+        assert new_table.column(0).is_cpu is False

Review Comment:
   ```suggestion
           assert new_table.is_cpu is False
           assert new_table.column(0).is_cpu is False
   ```



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