code: def testOptions(self):
      delegate_a = interpreter_wrapper.load_delegate(
          self._delegate_file
      )
      lib = delegate_a._library
  
      self.assertEqual(lib.get_num_delegates_created(), 1)
      self.assertEqual(lib.get_num_delegates_destroyed(), 0)
      self.assertEqual(lib.get_num_delegates_invoked(), 0)
      self.assertEqual(lib.get_options_counter(), 0)
  
      delegate_b = interpreter_wrapper.load_delegate(
          self._delegate_file,
          options={"unused": False, "options_counter": 2},
      )
      lib = delegate_b._library
  
      self.assertEqual(lib.get_num_delegates_created(), 2)
      self.assertEqual(lib.get_num_delegates_destroyed(), 0)
      self.assertEqual(lib.get_num_delegates_invoked(), 0)
      self.assertEqual(lib.get_options_counter(), 2)
  
      del delegate_a
      del delegate_b
  
      self.assertEqual(lib.get_num_delegates_created(), 2)
      self.assertEqual(lib.get_num_delegates_destroyed(), 2)
      self.assertEqual(lib.get_num_delegates_invoked(), 0)
      self.assertEqual(lib.get_options_counter(), 2)
  
imports: import ctypes
  import io
  import sys
  from unittest import mock
  import numpy
  import tensorflow
  from tensorflow.lite.python import interpreter
  from tensorflow.lite.python.metrics import metrics
  from tensorflow.lite.python.testdata import _pywrap_test_registerer
  from tensorflow.python.framework import test_util
  from tensorflow.python.platform import resource_loader
  from tensorflow.python.platform import test
label_desc: Use image node_id 6 for calling the InterpreterDelegateTest obj's underlying member method code with example usage: obj.testOptions() without return types