public function testAddSitemap()
{
$sitemapindex = new Sitemap\Sitemapindex();
try {
$sitemapindex->addSitemap(new Sitemap\Urlset('http://acme.com'));
} catch (\RuntimeException $e) {
$this->fail('An exception must not be thrown');
}
}
/**
* @return Sitemap\Sitemapindex
*/
protected function getRoot()
{
if (null === $this->root) {
$this->root = new Sitemap\Sitemapindex();
foreach ($this->urlsets as $urlset) {
$this->root->addSitemap($urlset);
}
}
return $this->root;
}
