public function test_to_string()
{
$string = md5(uniqid());
$string2 = md5(uniqid());
$d = new Bin($string);
$this->assertEquals('@32@' . $string, (string) $d);
$this->assertEquals('@32@' . $string, $d->toString());
$this->assertEquals($string, $d->getData());
$d->setData($string2);
$this->assertEquals('@32@' . $string2, (string) $d);
$this->assertEquals('@32@' . $string2, $d->toString());
$this->assertEquals($string2, $d->getData());
}