text: from collections import OrderedDict
  from json.tests import PyTest, CTest
  
  
  class TestUnicode(object):
      def test_encoding1(self):
          encoder = self.json.JSONEncoder(encoding='utf-8')
          u = u'\N{GREEK SMALL LETTER ALPHA}\N{GREEK CAPITAL LETTER OMEGA}'
          s = u.encode('utf-8')
          ju = encoder.encode(u)
          js = encoder.encode(s)
          self.assertEqual(ju, js)
  
      def test_encoding2(self):
          u = u'\N{GREEK SMALL LETTER ALPHA}\N{GREEK CAPITAL LETTER OMEGA}'
          s = u.encode('utf-8')
          ju = self.dumps(u, encoding='utf-8')
          js = self.dumps(s, encoding='utf-8')
          self.assertEqual(ju, js)
  
      def test_encoding3(self):
          u = u'\N{GREEK SMALL LETTER ALPHA}\N{GREEK CAPITAL LETTER OMEGA}'
          j = self.dumps(u)
          self.assertEqual(j, '"\\u03b1\\u03a9"')
  
      def test_encoding4(self):
          u = u'\N{GREEK SMALL LETTER ALPHA}\N{GREEK CAPITAL LETTER OMEGA}'
          j = self.dumps([u])
          self.assertEqual(j, '["\\u03b1\\u03a9"]')
  
      def test_encoding5(self):
          u = u'\N{GREEK SMALL LETTER ALPHA}\N{GREEK CAPITAL LETTER OMEGA}'
          j = self.dumps(u, ensure_ascii=False)
          self.assertEqual(j, u'"{0}"'.format(u))
  
      def test_encoding6(self):
          u = u'\N{GREEK SMALL LETTER ALPHA}\N{GREEK CAPITAL LETTER OMEGA}'
          j = self.dumps([u], ensure_ascii=False)
          self.assertEqual(j, u'["{0}"]'.format(u))
  
      def test_big_unicode_encode(self):
          u = u'\U0001d120'
          self.assertEqual(self.dumps(u), '"\\ud834\\udd20"')
          self.assertEqual(self.dumps(u, ensure_ascii=False), u'"\U0001d120"')
  
      def test_big_unicode_decode(self):
          u = u'z\U0001d120x'
          self.assertEqual(self.loads('"' + u + '"'), u)
          self.assertEqual(self.loads('"z\\ud834\\udd20x"'), u)
  
      def test_unicode_decode(self):
          for i in range(0, 0xd7ff):
              u = unichr(i)
              s = '"\\u{0:04x}"'.format(i)
              self.assertEqual(self.loads(s), u)
  
      def test_object_pairs_hook_with_unicode(self):
          s = u'{"xkd":1, "kcw":2, "art":3, "hxm":4, "qrt":5, "pad":6, "hoy":7}'
          p = [(u"xkd", 1), (u"kcw", 2), (u"art", 3), (u"hxm", 4),
               (u"qrt", 5), (u"pad", 6), (u"hoy", 7)]
          self.assertEqual(self.loads(s), eval(s))
          self.assertEqual(self.loads(s, object_pairs_hook = lambda x: x), p)
          od = self.loads(s, object_pairs_hook = OrderedDict)
          self.assertEqual(od, OrderedDict(p))
          self.assertEqual(type(od), OrderedDict)
          # the object_pairs_hook takes priority over the object_hook
          self.assertEqual(self.loads(s,
                                      object_pairs_hook = OrderedDict,
                                      object_hook = lambda x: None),
                           OrderedDict(p))
  
      def test_default_encoding(self):
          self.assertEqual(self.loads(u'{"a": "\xe9"}'.encode('utf-8')),
              {'a': u'\xe9'})
  
      def test_unicode_preservation(self):
          self.assertEqual(type(self.loads(u'""')), unicode)
          self.assertEqual(type(self.loads(u'"a"')), unicode)
          self.assertEqual(type(self.loads(u'["a"]')[0]), unicode)
          # Issue 10038.
          self.assertEqual(type(self.loads('"foo"')), unicode)
  
      def test_bad_encoding(self):
          self.assertRaises(UnicodeEncodeError, self.loads, '"a"', u"rat\xe9")
          self.assertRaises(TypeError, self.loads, '"a"', 1)
  
  
  class TestPyUnicode(TestUnicode, PyTest): pass
  class TestCUnicode(TestUnicode, CTest): pass
  