/**
* @covers WPSEO_Meta::validate_meta_robots_adv
*/
public function test_validate_meta_robots_adv()
{
// none should take precedence
$this->assertEquals('none', WPSEO_Meta::validate_meta_robots_adv('none, something-invalid, noarchive'));
$this->assertEquals('none', WPSEO_Meta::validate_meta_robots_adv(array('none', 'something-invalid', 'noarchive')));
// - should take precedence
$this->assertEquals('-', WPSEO_Meta::validate_meta_robots_adv('-, something-invalid, noarchive'));
$this->assertEquals('-', WPSEO_Meta::validate_meta_robots_adv(array('-', 'something-invalid', 'noarchive')));
// string should be cleaned
$this->assertEquals('noarchive,nosnippet', WPSEO_Meta::validate_meta_robots_adv('noarchive, nosnippet'));
$this->assertEquals('noarchive,nosnippet', WPSEO_Meta::validate_meta_robots_adv(array('noarchive', 'nosnippet')));
}