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- <?php declare(strict_types=1);
- /*
- * This file is part of sebastian/comparator.
- *
- * (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;
- use function assert;
- use function in_array;
- use function is_object;
- use function sprintf;
- use function substr_replace;
- use SebastianBergmann\Exporter\Exporter;
- class ObjectComparator extends ArrayComparator
- {
- public function accepts(mixed $expected, mixed $actual): bool
- {
- return is_object($expected) && is_object($actual);
- }
- /**
- * @throws ComparisonFailure
- */
- public function assertEquals(mixed $expected, mixed $actual, float $delta = 0.0, bool $canonicalize = false, bool $ignoreCase = false, array &$processed = []): void
- {
- assert(is_object($expected));
- assert(is_object($actual));
- if ($actual::class !== $expected::class) {
- $exporter = new Exporter;
- throw new ComparisonFailure(
- $expected,
- $actual,
- $exporter->export($expected),
- $exporter->export($actual),
- sprintf(
- '%s is not instance of expected class "%s".',
- $exporter->export($actual),
- $expected::class
- )
- );
- }
- // don't compare twice to allow for cyclic dependencies
- if (in_array([$actual, $expected], $processed, true) ||
- in_array([$expected, $actual], $processed, true)) {
- return;
- }
- $processed[] = [$actual, $expected];
- // don't compare objects if they are identical
- // this helps to avoid the error "maximum function nesting level reached"
- // CAUTION: this conditional clause is not tested
- if ($actual !== $expected) {
- try {
- parent::assertEquals(
- $this->toArray($expected),
- $this->toArray($actual),
- $delta,
- $canonicalize,
- $ignoreCase,
- $processed
- );
- } catch (ComparisonFailure $e) {
- throw new ComparisonFailure(
- $expected,
- $actual,
- // replace "Array" with "MyClass object"
- substr_replace($e->getExpectedAsString(), $expected::class . ' Object', 0, 5),
- substr_replace($e->getActualAsString(), $actual::class . ' Object', 0, 5),
- 'Failed asserting that two objects are equal.'
- );
- }
- }
- }
- protected function toArray(object $object): array
- {
- return (new Exporter)->toArray($object);
- }
- }
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