sizes-redirect-img.html | Explore in Territory

<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<script src="resources/sizes-helper.js"></script>
<script src="resources/resource-loaders.js"></script>
<script src="resources/entry-invariants.js"></script>
<script>
// Redirects for fetch() always apply CORS rules, whereas normal resources
// don't, so this test covers extra code paths beyond those covered by
// resource-timing-sizes-redirect.html.

const baseUrl = new URL('/resource-timing/resources/TAOResponse.py?tao=wildcard&img=true', location.href).href;

const expectedSize = 1010;

const hostInfo = get_host_info();

const redirectUrl = (redirectSourceOrigin, targetUrl) => {
  return redirectSourceOrigin +
    '/resource-timing/resources/redirect-cors.py?allow_origin=*&timing_allow_origin=*' +
    '&location=' + encodeURIComponent(targetUrl);
};

const verify_entry = entry => {
  checkSizeFields(entry, expectedSize, expectedSize + headerSize);
};

attribute_test(load.image, baseUrl,
  verify_entry,
  "PerformanceResourceTiming sizes redirect image - direct URL");

attribute_test(load.image,
  redirectUrl(hostInfo.HTTP_ORIGIN, baseUrl),
  verify_entry,
  "PerformanceResourceTiming sizes redirect image - same origin redirect");

attribute_test(load.image_cors,
  redirectUrl(hostInfo.HTTP_REMOTE_ORIGIN, baseUrl),
  verify_entry,
  "PerformanceResourceTiming sizes redirect image - cross origin redirect");

attribute_test(load.image_cors,
  redirectUrl(hostInfo.HTTP_REMOTE_ORIGIN,
    redirectUrl(hostInfo.HTTP_ORIGIN, baseUrl)),
  verify_entry,
  "PerformanceResourceTiming sizes redirect image - cross origin to same origin redirect");

attribute_test(load.image_cors,
  redirectUrl(hostInfo.HTTP_ORIGIN,
    redirectUrl(hostInfo.HTTP_REMOTE_ORIGIN,
      redirectUrl(hostInfo.HTTP_ORIGIN,
        baseUrl))),
  verify_entry,
  "PerformanceResourceTiming sizes redirect image - same origin to remote " +
  "origin to same origin redirect");
</script>
chromium/third_party/blink/web_tests/external/wpt/resource-timing/sizes-redirect-img.html
