gnu-social/tests/Core/UUIDTest.php

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<?php
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU social is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
namespace Tests\Unit;
if (!defined('INSTALLDIR')) {
define('INSTALLDIR', dirname(dirname(__DIR__)));
}
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if (!defined('PUBLICDIR')) {
define('PUBLICDIR', INSTALLDIR . DIRECTORY_SEPARATOR . 'public');
}
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if (!defined('GNUSOCIAL')) {
define('GNUSOCIAL', true);
}
if (!defined('STATUSNET')) { // Compatibility
define('STATUSNET', true);
}
use PHPUnit\Framework\TestCase;
use UUID;
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require_once INSTALLDIR . '/lib/util/common.php';
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final class UUIDTest extends 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);
}
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");
}
}