code: def test_create_using(self):
      G = nx.empty_graph()
      assert isinstance(G, nx.Graph)
      pytest.raises(TypeError, nx.empty_graph, create_using=0.0)
      pytest.raises(TypeError, nx.empty_graph, create_using="Graph")
  
      G = nx.empty_graph(create_using=nx.MultiGraph)
      assert isinstance(G, nx.MultiGraph)
      G = nx.empty_graph(create_using=nx.DiGraph)
      assert isinstance(G, nx.DiGraph)
  
      G = nx.empty_graph(create_using=nx.DiGraph, default=nx.MultiGraph)
      assert isinstance(G, nx.DiGraph)
      G = nx.empty_graph(create_using=None, default=nx.MultiGraph)
      assert isinstance(G, nx.MultiGraph)
      G = nx.empty_graph(default=nx.MultiGraph)
      assert isinstance(G, nx.MultiGraph)
  
      G = nx.path_graph(5)
      H = nx.empty_graph(create_using=G)
      assert not H.is_multigraph()
      assert not H.is_directed()
      assert len(H) == 0
      assert G is H
  
      H = nx.empty_graph(create_using=nx.MultiGraph())
      assert H.is_multigraph()
      assert not H.is_directed()
      assert G is not H
  
      # test for subclasses that also use typing.Protocol. See gh-6243
      class Mixin(typing.Protocol):
          pass
  
      class MyGraph(Mixin, nx.DiGraph):
          pass
  
      G = nx.empty_graph(create_using=MyGraph)
  
imports: import itertools
  import typing
  import pytest
  import networkx
  from networkx.algorithms.isomorphism.isomorph import graph_could_be_isomorphic
  from networkx.utils import edges_equal, nodes_equal
label_desc: Use image node_id 17 for calling the TestGeneratorClassic obj's underlying member method code with example usage: obj.test_create_using() without return types