public function setterMethodsAreChainable()
{
$response = new Response();
$this->assertSame($response, $response->setContent('Foo')->appendContent('Bar')->setStatus(404)->setPublic()->setPrivate()->setDate(new \DateTime())->setMaximumAge(60)->setSharedMaximumAge(60)->setLastModified(new \DateTime())->setExpires(new \DateTime()));
}