1 files changed, 9 insertions, 0 deletions
diff --git a/Lib/test/test_hashlib.py b/Lib/test/test_hashlib.py
index b7b04a3..46088e5 100644
--- a/Lib/test/test_hashlib.py
+++ b/Lib/test/test_hashlib.py
@@ -190,6 +190,15 @@ class HashLibTestCase(unittest.TestCase):
         self.assertTrue(set(hashlib.algorithms_guaranteed).
                             issubset(hashlib.algorithms_available))
 
+    def test_usedforsecurity(self):
+        for cons in self.hash_constructors:
+            cons(usedforsecurity=True)
+            cons(usedforsecurity=False)
+            cons(b'', usedforsecurity=True)
+            cons(b'', usedforsecurity=False)
+        hashlib.new("sha256", usedforsecurity=True)
+        hashlib.new("sha256", usedforsecurity=False)
+
     def test_unknown_hash(self):
         self.assertRaises(ValueError, hashlib.new, 'spam spam spam spam spam')
         self.assertRaises(TypeError, hashlib.new, 1)