code: def test_docstring_options():
      # options.disable_function_signatures()
      assert not m.test_function1.__doc__
  
      assert m.test_function2.__doc__ == "A custom docstring"
  
      # docstring specified on just the first overload definition:
      assert m.test_overloaded1.__doc__ == "Overload docstring"
  
      # docstring on both overloads:
      assert (
          m.test_overloaded2.__doc__
          == "overload docstring 1\noverload docstring 2"
      )
  
      # docstring on only second overload:
      assert m.test_overloaded3.__doc__ == "Overload docstr"
  
      # options.enable_function_signatures()
      assert m.test_function3.__doc__.startswith(
          "test_function3(a: int, b: int) -> None"
      )
  
      assert m.test_function4.__doc__.startswith(
          "test_function4(a: int, b: int) -> None"
      )
      assert m.test_function4.__doc__.endswith("A custom docstring\n")
  
      # options.disable_function_signatures()
      # options.disable_user_defined_docstrings()
      assert not m.test_function5.__doc__
  
      # nested options.enable_user_defined_docstrings()
      assert m.test_function6.__doc__ == "A custom docstring"
  
      # RAII destructor
      assert m.test_function7.__doc__.startswith(
          "test_function7(a: int, b: int) -> None"
      )
      assert m.test_function7.__doc__.endswith("A custom docstring\n")
  
      # when all options are disabled, no docstring (instead of an empty one) should be generated
      assert m.test_function8.__doc__ is None
  
      # Suppression of user-defined docstrings for non-function objects
      assert not m.DocstringTestFoo.__doc__
      assert not m.DocstringTestFoo.value_prop.__doc__
  
      # Check existig behaviour of enum docstings
      assert (
          m.DocstringTestEnum1.__doc__
          == "Enum docstring\n\nMembers:\n\n  Member1\n\n  Member2"
      )
  
      # options.enable_enum_members_docstring()
      assert (
          m.DocstringTestEnum2.__doc__
          == "Enum docstring\n\nMembers:\n\n  Member1\n\n  Member2"
      )
  
      # options.disable_enum_members_docstring()
      assert m.DocstringTestEnum3.__doc__ == "Enum docstring"
  
      # options.disable_user_defined_docstrings()
      assert (
          m.DocstringTestEnum4.__doc__
          == "Members:\n\n  Member1\n\n  Member2"
      )
  
      # options.disable_user_defined_docstrings()
      # options.disable_enum_members_docstring()
      # When all options are disabled, no docstring (instead of an empty one) should be generated
      assert m.DocstringTestEnum5.__doc__ is None
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_docstring_options() without return types