code: def test_from_product_empty_one_level():
      result = MultiIndex.from_product([[]], names=["A"])
      expected = Index([], name="A")
      tm.assert_index_equal(result.levels[0], expected)
      assert result.names == ["A"]
  
imports: from datetime import date, datetime
  import itertools
  import numpy
  import pytest
  from pandas.core.dtypes.cast import construct_1d_object_array_from_listlike
  import pandas
  from pandas import Index, MultiIndex, Series, Timestamp, date_range
  import pandas._testing
label_desc: Use image node_id 24 for calling a global function with example usage: test_from_product_empty_one_level() without return types