/**
* Drop the collection if it exists.
*
* @param Collection $collection
*/
protected function dropCollectionIfItExists(Collection $collection)
{
$database = new Database($this->manager, $collection->getDatabaseName());
$collections = $database->listCollections(array('filter' => array('name' => $collection->getCollectionName())));
if (iterator_count($collections) > 0) {
$this->assertCommandSucceeded($collection->drop());
}
}
