#13531: add a test for defaultdict with a non-callable arg. Patch by Mike Cheng.

diff --git a/Lib/test/test_defaultdict.py b/Lib/test/test_defaultdict.py
index a524ad79098a57303a2cca21756daa873519c041..3d760b9ffbb11e315d48e076a34d175b2cac913a 100644 (file)
--- a/Lib/test/test_defaultdict.py
+++ b/Lib/test/test_defaultdict.py
@@ -171,6 +171,8 @@ class TestDefaultDict(unittest.TestCase):
         finally:
             os.remove(tfn)
 
+    def test_callable_arg(self):
+        self.assertRaises(TypeError, defaultdict, {})
 
 def test_main():
     test_support.run_unittest(TestDefaultDict)