--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/parts/django/tests/regressiontests/queryset_pickle/tests.py	Sat Jan 08 11:20:57 2011 +0530
@@ -0,0 +1,36 @@
+import pickle
+import datetime
+
+from django.test import TestCase
+
+from models import Group, Event, Happening
+
+
+class PickleabilityTestCase(TestCase):
+    def assert_pickles(self, qs):
+        self.assertEqual(list(pickle.loads(pickle.dumps(qs))), list(qs))
+
+    def test_related_field(self):
+        g = Group.objects.create(name="Ponies Who Own Maybachs")
+        self.assert_pickles(Event.objects.filter(group=g.id))
+
+    def test_datetime_callable_default_all(self):
+        self.assert_pickles(Happening.objects.all())
+
+    def test_datetime_callable_default_filter(self):
+        self.assert_pickles(Happening.objects.filter(when=datetime.datetime.now()))
+
+    def test_lambda_as_default(self):
+        self.assert_pickles(Happening.objects.filter(name="test"))
+
+    def test_standalone_method_as_default(self):
+        self.assert_pickles(Happening.objects.filter(number1=1))
+
+    def test_staticmethod_as_default(self):
+        self.assert_pickles(Happening.objects.filter(number2=1))
+
+    def test_classmethod_as_default(self):
+        self.assert_pickles(Happening.objects.filter(number3=1))
+
+    def test_membermethod_as_default(self):
+        self.assert_pickles(Happening.objects.filter(number4=1))