diff options
Diffstat (limited to 'vendor/phpunit/phpunit/src/Framework/Constraint/Cardinality/IsEmpty.php')
-rw-r--r-- | vendor/phpunit/phpunit/src/Framework/Constraint/Cardinality/IsEmpty.php | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/vendor/phpunit/phpunit/src/Framework/Constraint/Cardinality/IsEmpty.php b/vendor/phpunit/phpunit/src/Framework/Constraint/Cardinality/IsEmpty.php new file mode 100644 index 000000000..e6371d536 --- /dev/null +++ b/vendor/phpunit/phpunit/src/Framework/Constraint/Cardinality/IsEmpty.php @@ -0,0 +1,70 @@ +<?php declare(strict_types=1); +/* + * This file is part of PHPUnit. + * + * (c) Sebastian Bergmann <[email protected]> + * + * 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 gettype; +use function sprintf; +use function strpos; +use Countable; +use EmptyIterator; + +/** + * @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit + */ +final class IsEmpty extends Constraint +{ + /** + * Returns a string representation of the constraint. + */ + public function toString(): string + { + return 'is empty'; + } + + /** + * Evaluates the constraint for parameter $other. Returns true if the + * constraint is met, false otherwise. + * + * @param mixed $other value or object to evaluate + */ + protected function matches($other): bool + { + if ($other instanceof EmptyIterator) { + return true; + } + + if ($other instanceof Countable) { + return count($other) === 0; + } + + return empty($other); + } + + /** + * 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 + { + $type = gettype($other); + + return sprintf( + '%s %s %s', + strpos($type, 'a') === 0 || strpos($type, 'o') === 0 ? 'an' : 'a', + $type, + $this->toString() + ); + } +} |