UtcClockTest.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\Data\Clock;
 
use ILIAS\Data\Clock\UtcClock;
use PHPUnit\Framework\TestCase;
 
class UtcClockTest extends TestCase
{
    private string $default_timezone;
 
    protected function setUp(): void
    {
        $this->default_timezone = date_default_timezone_get();
    }
 
    protected function tearDown(): void
    {
        date_default_timezone_set($this->default_timezone);
    }
 
    public function testUtcClockIsNotAffectedByGlobalTimezoneChanges(): void
    {
        date_default_timezone_set('Europe/Berlin');
        $clock = new UtcClock();
 
        self::assertSame('UTC', $clock->now()->getTimezone()->getName());
    }
}