Ticket #15654: test.diff

new file tests/modeltests/delete/sub/__init__.py

@@ +1 @@
+# __init__.py

new file tests/modeltests/delete/sub/models.py

@@ +1 @@
+from django.db import models
+from django.contrib.contenttypes.models import ContentType
+
+class TestModel(models.Model):
+    fk = models.ForeignKey(ContentType)

tests/modeltests/delete/tests.py

@@ +1 @@
+from django.conf import settings
 from django.db import models, IntegrityError
 from django.test import TestCase, skipUnlessDBFeature, skipIfDBFeature
 
@@ -251 +252 @@
 
         r.delete()
         self.assertEqual(HiddenUserProfile.objects.count(), 0)
+
+
+class ContentTypeDeleteTests(TestCase):
+    def setUp(self):
+        from sub.models import *
+        self.old_installed_apps = settings.INSTALLED_APPS
+        settings.INSTALLED_APPS = ['django.contrib.contenttypes']
+        super(ContentTypeDeleteTests, self).setUp()
+
+    def test_deletion(self):
+        from django.contrib.contenttypes import management, models
+        # YIKES YIKES
+        del models.ContentType._meta._related_objects_cache
+        models.ContentType.objects.all().delete()
+
+    def tearDown(self):
+        settings.INSTALLED_APPS = self.old_installed_apps
+        super(ContentTypeDeleteTests, self).tearDown()
+
+