public function evaluate(sfTemplateStorage $template, array $parameters = array())
 {
     if (sfConfig::get('op_is_restrict_mail_template', true)) {
         $parameters = $this->filterParameters($parameters);
     }
     return parent::evaluate($template, $parameters);
 }
        return $context;
    }
    class myRenderer extends sfTemplateRendererTwig
    {
        public function getLoader()
        {
            return $this->loader;
        }
        public function getEnvironment()
        {
            return $this->environment;
        }
    }
}
$t = new lime_test();
$t->diag('->__construct()');
$renderer = new myRenderer();
$t->is(get_class($renderer->getLoader()), 'Twig_Loader_String', '->__construct() creates an instance of "Twig_Loader_String" automatically');
$t->is($renderer->getEnvironment()->getCharset(), 'UTF-8', '->__construct() creates an instance of "Twig_Environment" automatically');
$loader = new Twig_Loader_Filesystem('./');
$environment = new Twig_Environment($loader);
$environment->setCharset('Shift_JIS');
$renderer = new myRenderer($loader, $environment);
$t->is(get_class($renderer->getLoader()), 'Twig_Loader_Filesystem', '->__construct() uses the specified instance of "Twig_Loader_Filesystem"');
$t->is($renderer->getEnvironment()->getCharset(), 'Shift_JIS', '->__construct() uses the specified instance of "Twig_Environment"');
$t->diag('->evaluate()');
$fixtureDir = realpath(dirname(__FILE__) . '/../fixtures');
$renderer = new sfTemplateRendererTwig();
$t->is($renderer->evaluate(new sfTemplateStorageString('Kousuke')), 'Kousuke', '->evaluate() returns string from the sfTemplateStorageString');
$t->is($renderer->evaluate(new sfTemplateStorageFile($fixtureDir . '/template/twig.tpl')), file_get_contents($fixtureDir . '/template/twig.tpl'), '->evaluate() returns string from the sfTemplateStorageFile');
$t->is($renderer->evaluate(new sfTemplateStorageString('{{ name }}'), array('name' => 'Ebihara')), 'Ebihara', '->evaluate() returns string from the sfTemplateStorageString and the parameters');