public function test_Proxy_checkPassedByReference()
 {
     ob_start();
     try {
         Proxy::ksort([]);
     } catch (LogicException $e) {
         $this->assertContains("Can't patch on function 'ksort'.", $e->getMessage());
     }
     ob_end_clean();
 }
 /**
  * Run function verifcations
  */
 public static function verifyFunctionInvocations()
 {
     Proxy::verifyInvocations();
 }