gnu-social/vendor/openid/php-openid/Tests/Auth/OpenID/CryptUtil.php

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<?php
/**
* Tests for the CryptUtil functions.
*
* PHP versions 4 and 5
*
* LICENSE: See the COPYING file included in this distribution.
*
* @package OpenID
* @author JanRain, Inc. <openid@janrain.com>
* @copyright 2005-2008 Janrain, Inc.
* @license http://www.apache.org/licenses/LICENSE-2.0 Apache
*/
require_once 'Auth/OpenID.php';
require_once 'Auth/OpenID/CryptUtil.php';
class Tests_Auth_OpenID_CryptUtil extends PHPUnit_Framework_TestCase {
function test_length()
{
$cases = array(1, 10, 255);
foreach ($cases as $length) {
$data = Auth_OpenID_CryptUtil::getBytes($length);
$this->assertEquals(Auth_OpenID::bytes($data), $length);
}
}
function test_different()
{
$num_iterations = 100;
$data_length = 20;
$data = Auth_OpenID_CryptUtil::getBytes($num_iterations);
for ($i = 0; $i < $num_iterations; $i++) {
$last = $data;
$data = Auth_OpenID_CryptUtil::getBytes($data_length);
$this->assertFalse($data == $last);
}
}
function test_cryptrand()
{
// It's possible, but HIGHLY unlikely that a correct
// implementation will fail by returning the same number twice
$s = Auth_OpenID_CryptUtil::getBytes(32);
$t = Auth_OpenID_CryptUtil::getBytes(32);
$this->assertEquals(Auth_OpenID::bytes($s), 32);
$this->assertEquals(Auth_OpenID::bytes($t), 32);
$this->assertFalse($s == $t);
}
}