We didn't have any tests making pickles with one of {pickle, cPickle},
and loading them via the other, except for the special cases of this
Guido added to test_datetime.py for datetime module objects. The new
test_xpickle.py tries all of pickletester's AbstractPickleTests in
both x-module ways.
diff --git a/Lib/test/pickletester.py b/Lib/test/pickletester.py
index c6ffbea..e1a333b 100644
--- a/Lib/test/pickletester.py
+++ b/Lib/test/pickletester.py
@@ -806,6 +806,11 @@
finally:
os.remove(TESTFN)
+ def test_highest_protocol(self):
+ # Of course this needs to be changed when HIGHEST_PROTOCOL changes.
+ self.assertEqual(self.module.HIGHEST_PROTOCOL, 2)
+
+
class AbstractPersistentPicklerTests(unittest.TestCase):
# This class defines persistent_id() and persistent_load()