code: def test_unicode_decode(self):
      for i in range(0, 0xD7FF):
          u = unichr(i)
          # s = '"\\u{0:04x}"'.format(i)
          s = '"\\u%04x"' % (i,)
          self.assertEqual(json.loads(s), u)
  
imports: import sys
  import codecs
  from unittest import TestCase
  import simplejson
  from simplejson.compat import unichr, text_type, b, BytesIO
label_desc: Use image node_id 9 for calling the TestUnicode obj's underlying member method code with example usage: obj.test_unicode_decode() without return types