[GitHub] [arrow] pitrou commented on a diff in pull request #37531: GH-37056: [Java] Fix importing an empty data array from c-data

["pitrou (via GitHub)" <gi...@apache.org>]

pitrou commented on code in PR #37531:
URL: https://github.com/apache/arrow/pull/37531#discussion_r1315606923


##########
java/c/src/test/python/integration_tests.py:
##########
@@ -195,7 +196,18 @@ def test_list_array(self):
             # disabled check_metadata since the list internal field name ("item")
             # is not preserved during round trips (it becomes "$data$").
         ), check_metadata=False)
-        
+
+    def test_empty_list_array(self):
+        with pa.BufferOutputStream() as bos:
+            schema = pa.schema([pa.field("f0", pa.list_(pa.int32()), True)])
+            with ipc.new_stream(bos, schema) as writer:
+                src = pa.RecordBatch.from_arrays([pa.array([[]])], schema=schema)
+                writer.write(src)
+        with pa.input_stream(bos.getvalue()) as ios:
+            with ipc.open_stream(ios) as reader:
+                batch = reader.read_next_batch()
+
+        self.round_trip_record_batch(lambda: batch)

Review Comment:
   I think this is ok indeed.



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