code: def testMergeExotic(self):
      message = unittest_pb2.TestAllTypes()
      text = (
          "repeated_int64: -9223372036854775808\n"
          "repeated_uint64: 18446744073709551615\n"
          "repeated_double: 123.456\n"
          "repeated_double: 1.23e+22\n"
          "repeated_double: 1.23e-18\n"
          "repeated_string: \n"
          '"\\000\\001\\007\\010\\014\\n\\r\\t\\013\\\\\\\'\\""\n'
          'repeated_string: "foo" \'corge\' "grault"\n'
          'repeated_string: "\\303\\274\\352\\234\\237"\n'
          'repeated_string: "\\xc3\\xbc"\n'
          'repeated_string: "\xc3\xbc"\n'
      )
      text_format.Merge(text, message)
  
      self.assertEqual(-9223372036854775808, message.repeated_int64[0])
      self.assertEqual(18446744073709551615, message.repeated_uint64[0])
      self.assertEqual(123.456, message.repeated_double[0])
      self.assertEqual(1.23e22, message.repeated_double[1])
      self.assertEqual(1.23e-18, message.repeated_double[2])
      self.assertEqual(
          "\000\001\a\b\f\n\r\t\v\\'\"", message.repeated_string[0]
      )
      self.assertEqual("foocorgegrault", message.repeated_string[1])
      self.assertEqual("\u00fc\ua71f", message.repeated_string[2])
      self.assertEqual("\u00fc", message.repeated_string[3])
  
imports: import difflib
  import re
  import unittest
  from google.protobuf import text_format
  from google.protobuf.internal import test_util
  from google.protobuf import unittest_pb2
  from google.protobuf import unittest_mset_pb2
label_desc: Use image node_id 23 for calling the TextFormatTest obj's underlying member method code with example usage: obj.testMergeExotic() without return types