/**
  * Test copying of redirect response.
  *
  * @covers ::createFromRedirectResponse
  * @covers ::fromResponse
  */
 public function testRedirectCopy()
 {
     $redirect = new RedirectResponse('/magic_redirect_url', 301, ['x-cache-foobar' => 123]);
     $redirect->setProtocolVersion('2.0');
     $redirect->setCharset('ibm-943_P14A-2000');
     $redirect->headers->setCookie(new Cookie('name', 'value'));
     // Make a cloned redirect.
     $secureRedirect = SecuredRedirectStub::createFromRedirectResponse($redirect);
     $this->assertEquals('/magic_redirect_url', $secureRedirect->getTargetUrl());
     $this->assertEquals(301, $secureRedirect->getStatusCode());
     // We pull the headers from the original redirect because there are default headers applied.
     $headers1 = $redirect->headers->allPreserveCase();
     $headers2 = $secureRedirect->headers->allPreserveCase();
     // We unset cache headers so we don't test arcane Symfony weirdness.
     // https://github.com/symfony/symfony/issues/16171
     unset($headers1['Cache-Control'], $headers2['Cache-Control']);
     $this->assertEquals($headers1, $headers2);
     $this->assertEquals('2.0', $secureRedirect->getProtocolVersion());
     $this->assertEquals('ibm-943_P14A-2000', $secureRedirect->getCharset());
     $this->assertEquals($redirect->headers->getCookies(), $secureRedirect->headers->getCookies());
 }