diff -r a730280392ee Lib/test/test_ssl.py
--- a/Lib/test/test_ssl.py      Fri Mar 26 04:18:31 2010 +0100
+++ b/Lib/test/test_ssl.py      Fri Mar 26 16:32:37 2010 +0100
@@ -167,6 +167,27 @@
         if test_support.verbose:
             sys.stdout.write("\nNeeded %d calls to do_handshake() to establish session.\n" % count)

+    def testNonBlockingSend(self):
+        s = socket.socket(socket.AF_INET)
+        s.connect(("svn.python.org", 443))
+        s.setblocking(False)
+        s = ssl.wrap_socket(s,
+                            cert_reqs=ssl.CERT_NONE)
+        # have two different strings with the same content, but not the same memory address
+        data = (('xx'[0] + 'xx'[1:])*10000, ('xx'[0] + 'xx'[1:])*10000)
+        i = 0
+        while True:
+            count = s.send(data[i % 2])
+            i += 1
+            if count == 0:
+                select.select([], [s], [])
+                try:
+                    count = s.send(data[i % 2])
+                except ssl.SSLError, x:
+                    raise test_support.TestFailed("Unexpected SSL error:  " + str(x))
+                break
+        s.close()
+
     def testFetchServerCert(self):

         pem = ssl.get_server_certificate(("svn.python.org", 443))