public function testAddGetMetaTags()
{
$tag1 = new MetaTag('my-name', 'my-content');
$this->assertSame($this->htmlDoc, $this->htmlDoc->addMetaTag($tag1));
$expected = array($tag1);
$this->assertEquals($expected, $this->htmlDoc->getMetaTags());
$tag2 = new MetaTag('other-name', 'other-content');
$this->assertSame($this->htmlDoc, $this->htmlDoc->addMetaTag($tag2));
$expected = array($tag1, $tag2);
$this->assertEquals($expected, $this->htmlDoc->getMetaTags());
$tag3 = new HttpEquiv('Content-Type', 'text/html');
$this->assertSame($this->htmlDoc, $this->htmlDoc->addMetaTag($tag3));
$expected = array($tag1, $tag2, $tag3);
$this->assertEquals($expected, $this->htmlDoc->getMetaTags());
}
