code: def test_bug_5828(self):
      self.assertEqual("\u1d79".lower(), "\u1d79")
      # Only U+0000 should have U+0000 as its upper/lower/titlecase variant
      self.assertEqual(
          [
              c
              for c in range(sys.maxunicode + 1)
              if "\x00"
              in chr(c).lower() + chr(c).upper() + chr(c).title()
          ],
          [0],
      )
  
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 7 for calling the UnicodeMiscTest obj's underlying member method code with example usage: obj.test_bug_5828() without return types