/**
  * @expectedException \InvalidArgumentException
  */
 public function testNullRequest()
 {
     $requestStack = Mockery::mock('Symfony\\Component\\HttpFoundation\\RequestStack');
     $requestStack->shouldReceive('getCurrentRequest')->andReturnNull();
     $this->version = new Datatable19Version($requestStack);
     $this->version->canParseRequest();
 }