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-rw-r--r--tests/migrations/test_writer.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/tests/migrations/test_writer.py b/tests/migrations/test_writer.py
index 79a374b567..4573bda3f0 100644
--- a/tests/migrations/test_writer.py
+++ b/tests/migrations/test_writer.py
@@ -339,6 +339,11 @@ class WriterTests(TestCase):
self.assertSerializedEqual(FoodManager('a', 'b'))
self.assertSerializedEqual(FoodManager('x', 'y', c=3, d=4))
+
+ def test_serialize_timedelta(self):
+ self.assertSerializedEqual(datetime.timedelta())
+ self.assertSerializedEqual(datetime.timedelta(minutes=42))
+
def test_simple_migration(self):
"""
Tests serializing a simple migration.