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Diffstat (limited to 'vendor/phpspec/prophecy/src/Prophecy/Promise/ReturnArgumentPromise.php')
-rw-r--r-- | vendor/phpspec/prophecy/src/Prophecy/Promise/ReturnArgumentPromise.php | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/vendor/phpspec/prophecy/src/Prophecy/Promise/ReturnArgumentPromise.php b/vendor/phpspec/prophecy/src/Prophecy/Promise/ReturnArgumentPromise.php new file mode 100644 index 000000000..39bfeea07 --- /dev/null +++ b/vendor/phpspec/prophecy/src/Prophecy/Promise/ReturnArgumentPromise.php @@ -0,0 +1,61 @@ +<?php + +/* + * This file is part of the Prophecy. + * (c) Konstantin Kudryashov <[email protected]> + * Marcello Duarte <[email protected]> + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +namespace Prophecy\Promise; + +use Prophecy\Exception\InvalidArgumentException; +use Prophecy\Prophecy\ObjectProphecy; +use Prophecy\Prophecy\MethodProphecy; + +/** + * Return argument promise. + * + * @author Konstantin Kudryashov <[email protected]> + */ +class ReturnArgumentPromise implements PromiseInterface +{ + /** + * @var int + */ + private $index; + + /** + * Initializes callback promise. + * + * @param int $index The zero-indexed number of the argument to return + * + * @throws \Prophecy\Exception\InvalidArgumentException + */ + public function __construct($index = 0) + { + if (!is_int($index) || $index < 0) { + throw new InvalidArgumentException(sprintf( + 'Zero-based index expected as argument to ReturnArgumentPromise, but got %s.', + $index + )); + } + $this->index = $index; + } + + /** + * Returns nth argument if has one, null otherwise. + * + * @param array $args + * @param ObjectProphecy $object + * @param MethodProphecy $method + * + * @return null|mixed + */ + public function execute(array $args, ObjectProphecy $object, MethodProphecy $method) + { + return count($args) > $this->index ? $args[$this->index] : null; + } +} |