1 files changed, 11 insertions, 0 deletions
diff --git a/tests/template_tests/test_context.py b/tests/template_tests/test_context.py
index 8331904f64..9c23a38af2 100644
--- a/tests/template_tests/test_context.py
+++ b/tests/template_tests/test_context.py
@@ -30,6 +30,17 @@ class ContextTests(SimpleTestCase):
             self.assertEqual(c['a'], 3)
         self.assertEqual(c['a'], 1)
 
+    def test_setdefault(self):
+        c = Context()
+
+        x = c.setdefault('x', 42)
+        self.assertEqual(x, 42)
+        self.assertEqual(c['x'], 42)
+
+        x = c.setdefault('x', 100)
+        self.assertEqual(x, 42)
+        self.assertEqual(c['x'], 42)
+
     def test_resolve_on_context_method(self):
         """
         #17778 -- Variable shouldn't resolve RequestContext methods