#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 da2608a54836ce05dca3326eaf0bd2d1d9216e18..532d535981b36c1efbbea0c2dd4cd6ede7caffef 100644 (file)
--- a/Lib/test/test_defaultdict.py
+++ b/Lib/test/test_defaultdict.py
@@ -172,6 +172,9 @@ class TestDefaultDict(unittest.TestCase):
         finally:
             os.remove(tfn)
 
+    def test_callable_arg(self):
+        self.assertRaises(TypeError, defaultdict, {})
+
     def test_pickleing(self):
         d = defaultdict(int)
         d[1]