* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace SebastianBergmann\Comparator; use function abs; use function assert; use function floor; use function sprintf; use DateInterval; use DateTimeInterface; use DateTimeZone; final class DateTimeComparator extends ObjectComparator { public function accepts(mixed $expected, mixed $actual): bool { return ($expected instanceof DateTimeInterface) && ($actual instanceof DateTimeInterface); } /** * @throws ComparisonFailure */ public function assertEquals(mixed $expected, mixed $actual, float $delta = 0.0, bool $canonicalize = false, bool $ignoreCase = false, array &$processed = []): void { assert($expected instanceof DateTimeInterface); assert($actual instanceof DateTimeInterface); $absDelta = abs($delta); $delta = new DateInterval(sprintf('PT%dS', $absDelta)); $delta->f = $absDelta - floor($absDelta); $actualClone = (clone $actual) ->setTimezone(new DateTimeZone('UTC')); $expectedLower = (clone $expected) ->setTimezone(new DateTimeZone('UTC')) ->sub($delta); $expectedUpper = (clone $expected) ->setTimezone(new DateTimeZone('UTC')) ->add($delta); if ($actualClone < $expectedLower || $actualClone > $expectedUpper) { throw new ComparisonFailure( $expected, $actual, $this->dateTimeToString($expected), $this->dateTimeToString($actual), 'Failed asserting that two DateTime objects are equal.', ); } } /** * Returns an ISO 8601 formatted string representation of a datetime or * 'Invalid DateTimeInterface object' if the provided DateTimeInterface was not properly * initialized. */ private function dateTimeToString(DateTimeInterface $datetime): string { $string = $datetime->format('Y-m-d\TH:i:s.uO'); return $string ?: 'Invalid DateTimeInterface object'; } }