Issue #12541: Be lenient with quotes around Realm field with HTTP Basic Authentation in urllib2.
diff --git a/Lib/test/test_urllib2.py b/Lib/test/test_urllib2.py
index 7f230e2..ad558da 100644
--- a/Lib/test/test_urllib2.py
+++ b/Lib/test/test_urllib2.py
@@ -1112,6 +1112,22 @@
     def test_basic_auth_with_single_quoted_realm(self):
         self.test_basic_auth(quote_char="'")
 
+    def test_basic_auth_with_unquoted_realm(self):
+        opener = OpenerDirector()
+        password_manager = MockPasswordManager()
+        auth_handler = urllib2.HTTPBasicAuthHandler(password_manager)
+        realm = "ACME Widget Store"
+        http_handler = MockHTTPHandler(
+            401, 'WWW-Authenticate: Basic realm=%s\r\n\r\n' % realm)
+        opener.add_handler(auth_handler)
+        opener.add_handler(http_handler)
+        self._test_basic_auth(opener, auth_handler, "Authorization",
+                              realm, http_handler, password_manager,
+                              "http://acme.example.com/protected",
+                              "http://acme.example.com/protected",
+                              )
+
+
     def test_proxy_basic_auth(self):
         opener = OpenerDirector()
         ph = urllib2.ProxyHandler(dict(http="proxy.example.com:3128"))