/**
* testClear
*
* @since 3.0.0
*/
public function testClear()
{
/* setup */
$directory = new Directory();
$directory->init(Stream::url('root'));
$directory->clear();
/* expect and actual */
$expectArray = ['.', '..'];
$actualArray = scandir(Stream::url('root'));
/* compare */
$this->assertEquals($expectArray, $actualArray);
}