function _test($uri)
{
// Create a request message with simple registration fields
$sreg_req = Auth_OpenID_SRegRequest::build(array('nickname', 'email'), array('fullname'));
$req_msg = new Auth_OpenID_Message($uri);
$req_msg->updateArgs(Auth_OpenID_SREG_NS_URI, $sreg_req->getExtensionArgs());
$req = new Auth_OpenID_Request();
$req->message =& $req_msg;
$req->namespace = $req_msg->getOpenIDNamespace();
// -> send checkid_* request
// Create an empty response message
$resp_msg = new Auth_OpenID_Message($uri);
$resp = new Auth_OpenID_ServerResponse($req);
$resp->fields = $resp_msg;
$data = array('nickname' => 'linusaur', 'postcode' => '12345', 'country' => 'US', 'gender' => 'M', 'fullname' => 'Leonhard Euler', 'email' => '*****@*****.**', 'dob' => '0000-00-00', 'language' => 'en-us');
// Put the requested data fields in the response message
$sreg_resp = Auth_OpenID_SRegResponse::extractResponse($sreg_req, $data);
$resp->addExtension($sreg_resp);
// <- send id_res response
// Extract the fields that were sent
$sreg_data_resp = $resp->fields->getArgs(Auth_OpenID_SREG_NS_URI);
$this->assertEquals(array('nickname' => 'linusaur', 'email' => '*****@*****.**', 'fullname' => 'Leonhard Euler'), $sreg_data_resp);
}