diff -r 5ff1fc726848 -r c6bca38c1cbf parts/django/tests/modeltests/validation/test_custom_messages.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/parts/django/tests/modeltests/validation/test_custom_messages.py	Sat Jan 08 11:20:57 2011 +0530
@@ -0,0 +1,13 @@
+from modeltests.validation import ValidationTestCase
+from models import CustomMessagesModel
+
+
+class CustomMessagesTest(ValidationTestCase):
+    def test_custom_simple_validator_message(self):
+        cmm = CustomMessagesModel(number=12)
+        self.assertFieldFailsValidationWithMessage(cmm.full_clean, 'number', ['AAARGH'])
+
+    def test_custom_null_message(self):
+        cmm = CustomMessagesModel()
+        self.assertFieldFailsValidationWithMessage(cmm.full_clean, 'number', ['NULL'])
+