public function testMeta()
{
$meta = new Opengraph\Meta(Opengraph\Opengraph::OG_TITLE, 'test');
$this->assert->object($meta)->isInstanceOf('\\Opengraph\\Meta');
$this->assert->string($meta->getProperty())->isEqualTo('og:title');
$this->assert->string($meta->getContent())->isEqualTo('test');
$this->assert->string($meta->render())->isEqualTo('<meta property="og:title" content="test" />');
$meta->setProperty(Opengraph\Opengraph::OG_TYPE);
$this->assert->string($meta->getProperty())->isEqualTo('og:type');
$meta->setContent(Opengraph\Opengraph::TYPE_BOOK);
$this->assert->string($meta->getContent())->isEqualTo('book');
$this->assert->string($meta->render())->isEqualTo('<meta property="og:type" content="book" />');
$meta->setContent(array(123, 456));
$this->assert->string($meta->render())->isEqualTo('<meta property="og:type" content="123,456" />');
}