/**
  * @covers Veles\Cache\Adapters\MemcachedAdapter::clear
  */
 public function testClear()
 {
     $params = [];
     for ($i = 0; $i < 10; ++$i) {
         $key = uniqid('VELES::UNIT-TEST::');
         $value = uniqid();
         $this->object->set($key, $value, 10);
         $params[] = $key;
     }
     $result = $this->object->clear();
     $msg = 'Wrong MemcachedAdapter::clear() result!';
     $this->assertSame(true, $result, $msg);
     $result = false;
     foreach ($params as $key) {
         if ($this->object->get($key)) {
             $result = true;
         }
     }
     $msg = 'Cache was not cleared!';
     $this->assertSame(false, $result, $msg);
 }