/**
* Test right the execution of an item callback.
*
* @covers ::__construct
* @covers ::exec
* @return void
*/
public function testExec()
{
$str = 'HoLa MuNdo';
$item = new Item(function ($string) {
return strtolower($string);
}, $str);
$this->assertEquals($item->exec(), strtolower($str));
}
