/**
* Check behaviour of `Bcrypt::salt()`.
*
* @return void
*/
public function testSalt()
{
// hashes used for one time only, well, two times :)
$salt1 = Bcrypt::salt();
$salt2 = Bcrypt::salt(4);
$salt3 = Bcrypt::salt(5);
$salt4 = Bcrypt::salt(10);
$salt5 = Bcrypt::salt(11);
$salt6 = Bcrypt::salt(31);
// lenght
$this->assertEquals(29, strlen($salt1));
$this->assertEquals(29, strlen($salt2));
$this->assertEquals(29, strlen($salt3));
$this->assertEquals(29, strlen($salt4));
$this->assertEquals(29, strlen($salt5));
$this->assertEquals(29, strlen($salt6));
// anonymous helper function
$sub = function ($salt) {
return substr($salt, 0, 7);
};
// check iteration
$this->assertEquals(sprintf($this->_prefix() . '%02d$', Bcrypt::DEFAULT_ITERATION_COUNT), $sub($salt1));
$this->assertEquals($this->_prefix() . '04$', $sub($salt2));
$this->assertEquals($this->_prefix() . '05$', $sub($salt3));
$this->assertEquals($this->_prefix() . '10$', $sub($salt4));
$this->assertEquals($this->_prefix() . '11$', $sub($salt5));
$this->assertEquals($this->_prefix() . '31$', $sub($salt6));
// test invalid iteration count
foreach (array(0, 3, 32, 1337) as $i) {
try {
Bcrypt::salt($i);
$message = 'InvalidArgumentException should have been thrown for $i = ' . $i;
$this->fail($message);
} catch (InvalidArgumentException $e) {
}
// free it
$i = null;
unset($i);
}
}