--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/parts/django/tests/regressiontests/managers_regress/tests.py	Sat Jan 08 11:20:57 2011 +0530
@@ -0,0 +1,54 @@
+from django.test import TestCase
+
+from models import Child1, Child2, Child3, Child4, Child5, Child6, Child7
+
+
+class ManagersRegressionTests(TestCase):
+    def test_managers(self):
+        a1 = Child1.objects.create(name='fred', data='a1')
+        a2 = Child1.objects.create(name='barney', data='a2')
+        b1 = Child2.objects.create(name='fred', data='b1', value=1)
+        b2 = Child2.objects.create(name='barney', data='b2', value=42)
+        c1 = Child3.objects.create(name='fred', data='c1', comment='yes')
+        c2 = Child3.objects.create(name='barney', data='c2', comment='no')
+        d1 = Child4.objects.create(name='fred', data='d1')
+        d2 = Child4.objects.create(name='barney', data='d2')
+        e1 = Child5.objects.create(name='fred', comment='yes')
+        e2 = Child5.objects.create(name='barney', comment='no')
+        f1 = Child6.objects.create(name='fred', data='f1', value=42)
+        f2 = Child6.objects.create(name='barney', data='f2', value=42)
+        g1 = Child7.objects.create(name='fred')
+        g2 = Child7.objects.create(name='barney')
+
+        self.assertQuerysetEqual(Child1.manager1.all(), ["<Child1: a1>"])
+        self.assertQuerysetEqual(Child1.manager2.all(), ["<Child1: a2>"])
+        self.assertQuerysetEqual(Child1._default_manager.all(), ["<Child1: a1>"])
+
+        self.assertQuerysetEqual(Child2._default_manager.all(), ["<Child2: b1>"])
+        self.assertQuerysetEqual(Child2.restricted.all(), ["<Child2: b2>"])
+
+        self.assertQuerysetEqual(Child3._default_manager.all(), ["<Child3: c1>"])
+        self.assertQuerysetEqual(Child3.manager1.all(), ["<Child3: c1>"])
+        self.assertQuerysetEqual(Child3.manager2.all(), ["<Child3: c2>"])
+
+        # Since Child6 inherits from Child4, the corresponding rows from f1 and
+        # f2 also appear here. This is the expected result.
+        self.assertQuerysetEqual(Child4._default_manager.order_by('data'), [
+                "<Child4: d1>",
+                "<Child4: d2>",
+                "<Child4: f1>",
+                "<Child4: f2>"
+            ]
+        )
+        self.assertQuerysetEqual(Child4.manager1.all(), [
+                "<Child4: d1>",
+                "<Child4: f1>"
+            ]
+        )
+        self.assertQuerysetEqual(Child5._default_manager.all(), ["<Child5: fred>"])
+        self.assertQuerysetEqual(Child6._default_manager.all(), ["<Child6: f1>"])
+        self.assertQuerysetEqual(Child7._default_manager.order_by('name'), [
+                "<Child7: barney>",
+                "<Child7: fred>"
+            ]
+        )