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<?php
declare(strict_types=1);
namespace Lcobucci\Clock;
use DateTimeImmutable;
use DateTimeZone;
use PHPUnit\Framework\Attributes\CoversClass;
use PHPUnit\Framework\Attributes\Test;
use PHPUnit\Framework\TestCase;
use function date_default_timezone_get;
#[CoversClass(SystemClock::class)]
final class SystemClockTest extends TestCase
{
#[Test]
public function nowShouldRespectTheProvidedTimezone(): void
{
$timezone = new DateTimeZone('America/Sao_Paulo');
$clock = new SystemClock($timezone);
$lower = new DateTimeImmutable('now', $timezone);
$now = $clock->now();
$upper = new DateTimeImmutable('now', $timezone);
self::assertEquals($timezone, $now->getTimezone());
self::assertGreaterThanOrEqual($lower, $now);
self::assertLessThanOrEqual($upper, $now);
}
#[Test]
public function fromUTCCreatesAnInstanceUsingUTCAsTimezone(): void
{
$clock = SystemClock::fromUTC();
$now = $clock->now();
self::assertSame('UTC', $now->getTimezone()->getName());
}
#[Test]
public function fromSystemTimezoneCreatesAnInstanceUsingTheDefaultTimezoneInSystem(): void
{
$clock = SystemClock::fromSystemTimezone();
$now = $clock->now();
self::assertSame(date_default_timezone_get(), $now->getTimezone()->getName());
}
}
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