code: def test_ensure_ascii_still_works(self):
      # in the ascii range, ensure that everything is the same
      for c in map(unichr, range(0, 127)):
          self.assertEqual(
              json.dumps(c, ensure_ascii=False), json.dumps(c)
          )
      snowman = "\N{SNOWMAN}"
      self.assertEqual(json.dumps(c, ensure_ascii=False), '"' + c + '"')
  
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 17 for calling the TestUnicode obj's underlying member method code with example usage: obj.test_ensure_ascii_still_works() without return types