From 1be815aac49bc0dc3937eb3a618fc9f1a6deb51a Mon Sep 17 00:00:00 2001
From: Antoine Pitrou <solipsis@pitrou.net>
Date: Tue, 10 May 2011 19:16:29 +0200
Subject: Issue #8498: In socket.accept(), allow to specify 0 as a backlog
 value in order to accept exactly one connection.  Patch by Daniel Evers.

---
 Lib/test/test_socket.py | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'Lib/test/test_socket.py')

diff --git a/Lib/test/test_socket.py b/Lib/test/test_socket.py
index a948541825a..4100c34452c 100644
--- a/Lib/test/test_socket.py
+++ b/Lib/test/test_socket.py
@@ -788,6 +788,13 @@ class GeneralModuleTests(unittest.TestCase):
             fp.close()
             self.assertEqual(repr(fp), "<_io.BufferedReader name=-1>")
 
+    def testListenBacklog0(self):
+        srv = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        srv.bind((HOST, 0))
+        # backlog = 0
+        srv.listen(0)
+        srv.close()
+
 
 @unittest.skipUnless(thread, 'Threading required for this test.')
 class BasicTCPTest(SocketConnectedTest):
-- 
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