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<?php /* * This file is part of the Comparator package. * * (c) Sebastian Bergmann <sebastian@phpunit.de> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */
namespace SebastianBergmann\Comparator;
/** * Compares DateTimeInterface instances for equality. */ class DateTimeComparator extends ObjectComparator { /** * Returns whether the comparator can compare two values. * * @param mixed $expected The first value to compare * @param mixed $actual The second value to compare * @return bool */ public function accepts($expected, $actual) { return ($expected instanceof \DateTime || $expected instanceof \DateTimeInterface) && ($actual instanceof \DateTime || $actual instanceof \DateTimeInterface); }
/** * Asserts that two values are equal. * * @param mixed $expected First value to compare * @param mixed $actual Second value to compare * @param float $delta Allowed numerical distance between two values to consider them equal * @param bool $canonicalize Arrays are sorted before comparison when set to true * @param bool $ignoreCase Case is ignored when set to true * @param array $processed List of already processed elements (used to prevent infinite recursion) * * @throws ComparisonFailure */ public function assertEquals($expected, $actual, $delta = 0.0, $canonicalize = false, $ignoreCase = false, array &$processed = array()) { $delta = new \DateInterval(sprintf('PT%sS', abs($delta)));
$expectedLower = clone $expected; $expectedUpper = clone $expected;
if ($actual < $expectedLower->sub($delta) || $actual > $expectedUpper->add($delta)) { throw new ComparisonFailure( $expected, $actual, $this->dateTimeToString($expected), $this->dateTimeToString($actual), false, '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. * * @param \DateTimeInterface $datetime * @return string */ private function dateTimeToString($datetime) { $string = $datetime->format('Y-m-d\TH:i:s.uO');
return $string ? $string : 'Invalid DateTimeInterface object'; } }
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