AppPkg/Applications/Python/Python-2.7.10/Lib/json/tests/test_dump.py

   1 from cStringIO import StringIO
   2 from json.tests import PyTest, CTest
   3
   4
   5 class TestDump(object):
   6     def test_dump(self):
   7         sio = StringIO()
   8         self.json.dump({}, sio)
   9         self.assertEqual(sio.getvalue(), '{}')
  10
  11     def test_dumps(self):
  12         self.assertEqual(self.dumps({}), '{}')
  13
  14     def test_encode_truefalse(self):
  15         self.assertEqual(self.dumps(
  16                  {True: False, False: True}, sort_keys=True),
  17                  '{"false": true, "true": false}')
  18         self.assertEqual(self.dumps(
  19                 {2: 3.0, 4.0: 5L, False: 1, 6L: True}, sort_keys=True),
  20                 '{"false": 1, "2": 3.0, "4.0": 5, "6": true}')
  21
  22     # Issue 16228: Crash on encoding resized list
  23     def test_encode_mutated(self):
  24         a = [object()] * 10
  25         def crasher(obj):
  26             del a[-1]
  27         self.assertEqual(self.dumps(a, default=crasher),
  28                  '[null, null, null, null, null]')
  29
  30
  31 class TestPyDump(TestDump, PyTest): pass
  32 class TestCDump(TestDump, CTest): pass