Version 1

[yaffs-website] / vendor / phpspec / prophecy / src / Prophecy / Promise / ReturnArgumentPromise.php

diff --git a/vendor/phpspec/prophecy/src/Prophecy/Promise/ReturnArgumentPromise.php b/vendor/phpspec/prophecy/src/Prophecy/Promise/ReturnArgumentPromise.php
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+<?php
+
+/*
+ * This file is part of the Prophecy.
+ * (c) Konstantin Kudryashov <ever.zet@gmail.com>
+ *     Marcello Duarte <marcello.duarte@gmail.com>
+ *
+ * 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 <ever.zet@gmail.com>
+ */
+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;
+    }
+}