Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

vendor/symfony/http-kernel/Tests/Profiler/Mock/MemcacheMock.php

@@ -0,0 +1,254 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\Tests\Profiler\Mock;
+
+/**
+ * MemcacheMock for simulating Memcache extension in tests.
+ *
+ * @author Andrej Hudec <pulzarraider@gmail.com>
+ */
+class MemcacheMock
+{
+    private $connected = false;
+    private $storage = array();
+
+    /**
+     * Open memcached server connection.
+     *
+     * @param string $host
+     * @param int    $port
+     * @param int    $timeout
+     *
+     * @return bool
+     */
+    public function connect($host, $port = null, $timeout = null)
+    {
+        if ('127.0.0.1' == $host && 11211 == $port) {
+            $this->connected = true;
+
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Open memcached server persistent connection.
+     *
+     * @param string $host
+     * @param int    $port
+     * @param int    $timeout
+     *
+     * @return bool
+     */
+    public function pconnect($host, $port = null, $timeout = null)
+    {
+        if ('127.0.0.1' == $host && 11211 == $port) {
+            $this->connected = true;
+
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Add a memcached server to connection pool.
+     *
+     * @param string   $host
+     * @param int      $port
+     * @param bool     $persistent
+     * @param int      $weight
+     * @param int      $timeout
+     * @param int      $retry_interval
+     * @param bool     $status
+     * @param callable $failure_callback
+     * @param int      $timeoutms
+     *
+     * @return bool
+     */
+    public function addServer($host, $port = 11211, $persistent = null, $weight = null, $timeout = null, $retry_interval = null, $status = null, $failure_callback = null, $timeoutms = null)
+    {
+        if ('127.0.0.1' == $host && 11211 == $port) {
+            $this->connected = true;
+
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Add an item to the server only if such key doesn't exist at the server yet.
+     *
+     * @param string $key
+     * @param mixed  $var
+     * @param int    $flag
+     * @param int    $expire
+     *
+     * @return bool
+     */
+    public function add($key, $var, $flag = null, $expire = null)
+    {
+        if (!$this->connected) {
+            return false;
+        }
+
+        if (!isset($this->storage[$key])) {
+            $this->storeData($key, $var);
+
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Store data at the server.
+     *
+     * @param string $key
+     * @param string $var
+     * @param int    $flag
+     * @param int    $expire
+     *
+     * @return bool
+     */
+    public function set($key, $var, $flag = null, $expire = null)
+    {
+        if (!$this->connected) {
+            return false;
+        }
+
+        $this->storeData($key, $var);
+
+        return true;
+    }
+
+    /**
+     * Replace value of the existing item.
+     *
+     * @param string $key
+     * @param mixed  $var
+     * @param int    $flag
+     * @param int    $expire
+     *
+     * @return bool
+     */
+    public function replace($key, $var, $flag = null, $expire = null)
+    {
+        if (!$this->connected) {
+            return false;
+        }
+
+        if (isset($this->storage[$key])) {
+            $this->storeData($key, $var);
+
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Retrieve item from the server.
+     *
+     * @param string|array $key
+     * @param int|array    $flags
+     *
+     * @return mixed
+     */
+    public function get($key, &$flags = null)
+    {
+        if (!$this->connected) {
+            return false;
+        }
+
+        if (is_array($key)) {
+            $result = array();
+            foreach ($key as $k) {
+                if (isset($this->storage[$k])) {
+                    $result[] = $this->getData($k);
+                }
+            }
+
+            return $result;
+        }
+
+        return $this->getData($key);
+    }
+
+    /**
+     * Delete item from the server.
+     *
+     * @param string $key
+     *
+     * @return bool
+     */
+    public function delete($key)
+    {
+        if (!$this->connected) {
+            return false;
+        }
+
+        if (isset($this->storage[$key])) {
+            unset($this->storage[$key]);
+
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Flush all existing items at the server.
+     *
+     * @return bool
+     */
+    public function flush()
+    {
+        if (!$this->connected) {
+            return false;
+        }
+
+        $this->storage = array();
+
+        return true;
+    }
+
+    /**
+     * Close memcached server connection.
+     *
+     * @return bool
+     */
+    public function close()
+    {
+        $this->connected = false;
+
+        return true;
+    }
+
+    private function getData($key)
+    {
+        if (isset($this->storage[$key])) {
+            return unserialize($this->storage[$key]);
+        }
+
+        return false;
+    }
+
+    private function storeData($key, $value)
+    {
+        $this->storage[$key] = serialize($value);
+
+        return true;
+    }
+}