public function testPreRenderWithGlobalVars()
{
$document = new Document();
$document->setLayout('default');
$document->setBody('{{ carew.extra.foo }}');
$event = new CarewEvent(array($document));
$this->getTwigGlobals()->fromArray(array('foo' => 'bar'));
$this->twigListenner->preRender($event);
$this->assertSame('bar', $document->getBody());
}