public function makeStandardsCompliantSetsAContentLengthHeaderIfNotPresent() { $request = Request::create(new Uri('http://localhost')); $response = new Response(); $content = ' Pat grabbed her hat and her fat, wooden bat When her friends couldn\'t play, Pat yelled out, "Drat!" But then she hit balls to her dog and _-at. '; $response->setContent($content); $response->makeStandardsCompliant($request); $this->assertEquals(strlen($content), $response->getHeader('Content-Length')); }