public function testCharset()
{
$result = $this->html->charset();
$this->assertTags($result, array('meta' => array('charset' => 'UTF-8')));
$result = $this->html->charset('utf-8');
$this->assertTags($result, array('meta' => array('charset' => 'utf-8')));
$result = $this->html->charset('UTF-7');
$this->assertTags($result, array('meta' => array('charset' => 'UTF-7')));
}