public function testConstructor()
{
$this->assertInstanceOf('Pop\\Feed\\Reader', new Feed\Reader(new Feed\Format\Rss('http://news.google.com/news?pz=1&cf=all&ned=us&hl=en&topic=h&output=rss', 4)));
$this->assertInstanceOf('Pop\\Feed\\Reader', Feed\Reader::factory(new Feed\Format\Rss('http://news.google.com/news?pz=1&cf=all&ned=us&hl=en&topic=h&output=rss', 4)));
$this->assertInstanceOf('Pop\\Feed\\Reader', Feed\Reader::getByUrl('http://news.google.com/news?pz=1&cf=all&ned=us&hl=en&topic=h&output=rss', 4));
$this->assertInstanceOf('Pop\\Feed\\Reader', Feed\Reader::getByUrl('http://twitter.com/highvoltagenola', 4));
$this->assertInstanceOf('Pop\\Feed\\Reader', Feed\Reader::getByUrl('http://vimeo.com/api/v2/video/6271487.php', 1));
$this->assertInstanceOf('Pop\\Feed\\Reader', Feed\Reader::getByUrl('http://www.popphp.org/phpfeedtest', 1));
}