Add test for empty tuples too

Author: FrancescAlted

tests/test_vlarray.py

@@ -262,6 +262,13 @@ def test_vlarray_empty_list_roundtrip():
     assert list(vlarray) == values
 
 
+def test_vlarray_empty_tuple_roundtrip():
+    values = [(), {"a": ()}, [(), ("nested",)], None, ("tuple", ()), {"rows": [[], ()]}]
+    vlarray = blosc2.VLArray()
+    vlarray.extend(values)
+    assert list(vlarray) == values
+
+
 def test_vlarray_insert_delete_errors():
     vlarray = blosc2.VLArray()
     vlarray.append("value")