1 files changed, 11 insertions, 0 deletions
diff --git a/Lib/test/test_ssl.py b/Lib/test/test_ssl.py
index fb9c9a2..eab15ab 100644
--- a/Lib/test/test_ssl.py
+++ b/Lib/test/test_ssl.py
@@ -14,6 +14,7 @@ import urllib.parse, urllib.request
 import shutil
 import traceback
 import asyncore
+import weakref
 
 from http.server import HTTPServer, SimpleHTTPRequestHandler
 
@@ -97,6 +98,16 @@ class BasicTests(unittest.TestCase):
         if (d1 != d2):
             raise support.TestFailed("PEM-to-DER or DER-to-PEM translation failed")
 
+    @support.cpython_only
+    def test_refcycle(self):
+        # Issue #7943: an SSL object doesn't create reference cycles with
+        # itself.
+        s = socket.socket(socket.AF_INET)
+        ss = ssl.wrap_socket(s)
+        wr = weakref.ref(ss)
+        del ss
+        self.assertEqual(wr(), None)
+
 class NetworkedTests(unittest.TestCase):
 
     def testConnect(self):