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Direktori : /home2/selectio/www/a1tex.in/vendor/phpunit/phpunit/src/Framework/Constraint/Cardinality/ |
Current File : /home2/selectio/www/a1tex.in/vendor/phpunit/phpunit/src/Framework/Constraint/Cardinality/Count.php |
<?php declare(strict_types=1); /* * This file is part of PHPUnit. * * (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 PHPUnit\Framework\Constraint; use function count; use function is_array; use function iterator_count; use function sprintf; use Countable; use EmptyIterator; use Generator; use Iterator; use IteratorAggregate; use PHPUnit\Framework\Exception; use Traversable; /** * @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit */ class Count extends Constraint { /** * @var int */ private $expectedCount; public function __construct(int $expected) { $this->expectedCount = $expected; } public function toString(): string { return sprintf( 'count matches %d', $this->expectedCount ); } /** * Evaluates the constraint for parameter $other. Returns true if the * constraint is met, false otherwise. * * @throws Exception */ protected function matches($other): bool { return $this->expectedCount === $this->getCountOf($other); } /** * @throws Exception */ protected function getCountOf($other): ?int { if ($other instanceof Countable || is_array($other)) { return count($other); } if ($other instanceof EmptyIterator) { return 0; } if ($other instanceof Traversable) { while ($other instanceof IteratorAggregate) { try { $other = $other->getIterator(); } catch (\Exception $e) { throw new Exception( $e->getMessage(), $e->getCode(), $e ); } } $iterator = $other; if ($iterator instanceof Generator) { return $this->getCountOfGenerator($iterator); } if (!$iterator instanceof Iterator) { return iterator_count($iterator); } $key = $iterator->key(); $count = iterator_count($iterator); // Manually rewind $iterator to previous key, since iterator_count // moves pointer. if ($key !== null) { $iterator->rewind(); while ($iterator->valid() && $key !== $iterator->key()) { $iterator->next(); } } return $count; } return null; } /** * Returns the total number of iterations from a generator. * This will fully exhaust the generator. */ protected function getCountOfGenerator(Generator $generator): int { for ($count = 0; $generator->valid(); $generator->next()) { $count++; } return $count; } /** * Returns the description of the failure. * * The beginning of failure messages is "Failed asserting that" in most * cases. This method should return the second part of that sentence. * * @param mixed $other evaluated value or object */ protected function failureDescription($other): string { return sprintf( 'actual size %d matches expected size %d', (int) $this->getCountOf($other), $this->expectedCount ); } }