public function testRespondsWith304WhenIfModifiedSinceMatchesLastModified() {
$time = new \DateTime();
$this
->setNextResponse(200, array(
'Cache-Control' => 'public',
'Last-Modified' => $time
->format(DATE_RFC2822),
'Content-Type' => 'text/plain',
), 'Hello World');
$this
->request('GET', '/', array(
'HTTP_IF_MODIFIED_SINCE' => $time
->format(DATE_RFC2822),
));
$this
->assertHttpKernelIsCalled();
$this
->assertEquals(304, $this->response
->getStatusCode());
$this
->assertEquals('text/html; charset=UTF-8', $this->response->headers
->get('Content-Type'));
$this
->assertEmpty($this->response
->getContent());
$this
->assertTraceContains('miss');
$this
->assertTraceContains('store');
}