public function testRender()
{
$writer = new Writer();
$property = new \ReflectionProperty($writer, 'collection');
$property->setAccessible(true);
$meta = new Meta(array('test' => 'fun'));
$writer->add($meta);
$writer->add($meta);
$this->assertEquals("<meta test=\"fun\" />\n<meta test=\"fun\" />\n", $writer->render());
}
