code: def test_name_inverse_lookup(self):
      for i in range(sys.maxunicode + 1):
          char = chr(i)
          if looked_name := self.db.name(char, None):
              self.assertEqual(self.db.lookup(looked_name), char)
  
imports: import hashlib
  from http.client import HTTPException
  import sys
  import unicodedata
  import unittest
  from test.support import open_urlresource, requires_resource, script_helper, cpython_only, check_disallow_instantiation
label_desc: Use image node_id 2 for calling the UnicodeFunctionsTest obj's underlying member method code with example usage: obj.test_name_inverse_lookup() without return types