gnu-social/tests/UUIDTest.php

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<?php
if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) {
print "This script must be run from the command line\n";
exit();
}
define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
define('GNUSOCIAL', true);
define('STATUSNET', true); // compatibility
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require_once INSTALLDIR . '/lib/common.php';
class UUIDTest extends PHPUnit_Framework_TestCase
{
public function testGenerate()
{
$result = UUID::gen();
$this->assertRegExp('/^[0-9a-z]{8}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{12}$/',
$result);
// Check version number
$this->assertEquals(0x4000, hexdec(substr($result, 14, 4)) & 0xF000);
$this->assertEquals(0x8000, hexdec(substr($result, 19, 4)) & 0xC000);
}
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public function testUnique()
{
$reps = 100;
$ids = array();
for ($i = 0; $i < $reps; $i++) {
$ids[] = UUID::gen();
}
$this->assertEquals(count($ids), count(array_unique($ids)), "UUIDs must be unique");
}
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}