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Edit File: MockClock.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Clock;

/**
 * A clock that always returns the same date, suitable for testing time-sensitive logic.
 *
 * Consider using ClockSensitiveTrait in your test cases instead of using this class directly.
 *
 * @author Nicolas Grekas <p@tchwork.com>
 */
final class MockClock implements ClockInterface
{
    private DatePoint $now;

/**
     * @throws \DateMalformedStringException When $now is invalid
     * @throws \DateInvalidTimeZoneException When $timezone is invalid
     */
    public function __construct(\DateTimeImmutable|string $now = 'now', \DateTimeZone|string|null $timezone = null)
    {
        if (\PHP_VERSION_ID >= 80300 && \is_string($timezone)) {
            $timezone = new \DateTimeZone($timezone);
        } elseif (\is_string($timezone)) {
            try {
                $timezone = new \DateTimeZone($timezone);
            } catch (\Exception $e) {
                throw new \DateInvalidTimeZoneException($e->getMessage(), $e->getCode(), $e);
            }
        }

if (\is_string($now)) {
            $now = new DatePoint($now, $timezone ?? new \DateTimeZone('UTC'));
        } elseif (!$now instanceof DatePoint) {
            $now = DatePoint::createFromInterface($now);
        }

$this->now = null !== $timezone ? $now->setTimezone($timezone) : $now;
    }

public function now(): DatePoint
    {
        return clone $this->now;
    }

public function sleep(float|int $seconds): void
    {
        $now = (float) $this->now->format('Uu') + $seconds * 1e6;
        $now = substr_replace(sprintf('@%07.0F', $now), '.', -6, 0);
        $timezone = $this->now->getTimezone();

$this->now = DatePoint::createFromInterface(new \DateTimeImmutable($now, $timezone))->setTimezone($timezone);
    }

/**
     * @throws \DateMalformedStringException When $modifier is invalid
     */
    public function modify(string $modifier): void
    {
        if (\PHP_VERSION_ID < 80300) {
            $this->now = @$this->now->modify($modifier) ?: throw new \DateMalformedStringException(error_get_last()['message'] ?? sprintf('Invalid modifier: "%s". Could not modify MockClock.', $modifier));

return;
        }

$this->now = $this->now->modify($modifier);
    }

/**
     * @throws \DateInvalidTimeZoneException When the timezone name is invalid
     */
    public function withTimeZone(\DateTimeZone|string $timezone): static
    {
        if (\PHP_VERSION_ID >= 80300 && \is_string($timezone)) {
            $timezone = new \DateTimeZone($timezone);
        } elseif (\is_string($timezone)) {
            try {
                $timezone = new \DateTimeZone($timezone);
            } catch (\Exception $e) {
                throw new \DateInvalidTimeZoneException($e->getMessage(), $e->getCode(), $e);
            }
        }

$clone = clone $this;
        $clone->now = $clone->now->setTimezone($timezone);

return $clone;
    }
}

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