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<?php
declare(strict_types=1);
/**
* This file is part of the Carbon package.
*
* (c) Brian Nesbitt <brian@nesbot.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Tests\CarbonImmutable;
use Carbon\CarbonImmutable as Carbon;
use Tests\AbstractTestCase;
/**
* The problem is, that $date->setTimezone($tz) with $tz in 'HH:MM' notation (["timezone_type"]=>int(1)) put DateTime object
* on inconsistent state. It looks like internal timestamp becomes changed and it affects to such functions:
*
* * $date->modify() uses changed timestamp and result is wrong
*
* * $date->setTimezone($tz) settle this changed timestamp, even in case if $tz is not in 'HH:MM' format
*
* * $date->format('U') returns changed timestamp
*
* @link https://bugs.php.net/bug.php?id=72338 This bug on bugs.php.net
*
* @internal I use days changing in tests because using seconds|minute|hours may run setTimezone within.
*/
class PhpBug72338Test extends AbstractTestCase
{
/**
* Ensures that modify don't use changed timestamp
*/
public function testModify()
{
$date = Carbon::createFromTimestamp(0)->setTimezone('+02:00')->modify('+1 day');
$this->assertSame('86400', $date->format('U'));
}
/**
* Ensures that $date->format('U') returns unchanged timestamp
*/
public function testTimestamp()
{
$date = Carbon::createFromTimestamp(0)->setTimezone('+02:00');
$this->assertSame('0', $date->format('U'));
}
/**
* Ensures that date created from string with timezone and with same timezone set by setTimezone() is equal
*/
public function testEqualSetAndCreate()
{
$date = Carbon::createFromTimestamp(0)->setTimezone('+02:00');
$date1 = new Carbon('1970-01-01T02:00:00+02:00');
$this->assertSame($date->format('U'), $date1->format('U'));
}
/**
* Ensures that second call to setTimezone() don't changing timestamp
*/
public function testSecondSetTimezone()
{
$date = Carbon::createFromTimestamp(0)->setTimezone('+02:00')->setTimezone('Europe/Moscow');
$this->assertSame('0', $date->format('U'));
}
}
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