Neos\Flow\Tests\Unit\Http\ResponseTest::makeStandardsCompliantReturns412StatusIfUnmodifiedSinceDoesNotMatch PHP Method

    public function makeStandardsCompliantReturns412StatusIfUnmodifiedSinceDoesNotMatch()
    {
        $request = Request::create(new Uri('http://localhost'));
        $response = new Response();
        $unmodifiedSince = \DateTime::createFromFormat(DATE_RFC2822, 'Tue, 15 May 2012 09:00:00 GMT');
        $lastModified = \DateTime::createFromFormat(DATE_RFC2822, 'Sun, 20 May 2012 08:00:00 UTC');
        $request->setHeader('If-Unmodified-Since', $unmodifiedSince);
        $response->setHeader('Last-Modified', $lastModified);
        $response->makeStandardsCompliant($request);
        $this->assertSame(412, $response->getStatusCode());
        $response = new Response();
        $unmodifiedSince = \DateTime::createFromFormat(DATE_RFC2822, 'Tue, 15 May 2012 09:00:00 GMT');
        $lastModified = \DateTime::createFromFormat(DATE_RFC2822, 'Tue, 15 May 2012 08:00:00 UTC');
        $request->setHeader('If-Unmodified-Since', $unmodifiedSince);
        $response->setHeader('Last-Modified', $lastModified);
        $response->makeStandardsCompliant($request);
        $this->assertSame(200, $response->getStatusCode());
    }