/**
* @return SourceSet
*/
protected function createSourceSet()
{
$srcset = new SourceSet('/path.jpg', 200);
$this->assertCount(1, $srcset->rules);
$srcset->push(300, '/path2.jpg');
$this->assertCount(2, $srcset->rules);
return $srcset;
}
/**
* Set the srcset attribute.
*
* @param $node
* @param $sourceSet
*/
protected function setSrcSetAttribute($node, SourceSet $sourceSet)
{
// Don't overwrite existing attributes
if ($node->getAttribute('srcset') !== '') {
return;
}
$node->setAttribute('srcset', $sourceSet->getSrcSetAttribute());
}
