public function testGetUserWithoutCodeOrSignedRequestOrSession()
{
$facebook = new PersistentFBPublic(array('appId' => self::APP_ID, 'secret' => self::SECRET));
// deliberately leave $_REQUEST and _$SESSION empty
$this->assertEmpty($_REQUEST, 'GET, POST, and COOKIE params exist even though ' . 'they should. Test cannot succeed unless all of ' . '$_REQUEST is empty.');
$this->assertEmpty($_SESSION, 'Session is carrying state and should not be.');
$this->assertEmpty($facebook->getUser(), 'Got a user id, even without a signed request, ' . 'access token, or session variable.');
$this->assertEmpty($_SESSION, 'Session superglobal incorrectly populated by getUser.');
}
