chromium/third_party/blink/web_tests/external/wpt/cookies/samesite/form-post-blank.https.html

<!DOCTYPE html>
<meta charset="utf-8"/>
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/cookies/resources/cookie-helper.sub.js"></script>
<script>
  function create_test(origin, target, expectedStatus, title) {
    promise_test(t => {
      var value = "" + Math.random();
      return resetSameSiteCookies(origin, value)
        .then(_ => {
          return new Promise((resolve, reject) => {
            var f = document.createElement('form');
            f.action = target + "/cookies/resources/postToParent.py";
            f.target = "_blank";
            f.method = "POST";
            f.rel = "opener";

            var msgHandler = e => {
              window.removeEventListener("message", msgHandler);
              e.source.close();
              try {
                verifySameSiteCookieState(expectedStatus, value, e.data, DomSameSiteStatus.SAME_SITE);
                resolve("Popup received the cookie.");
              } catch (e) {
                reject(e);
              }
            };
            window.addEventListener("message", msgHandler);
            document.body.appendChild(f);
            f.submit();
          });
        });
    }, title);
  }

  // No redirect:
  create_test(SECURE_ORIGIN, SECURE_ORIGIN, SameSiteStatus.STRICT, "Same-host top-level form POSTs are strictly same-site");
  create_test(SECURE_SUBDOMAIN_ORIGIN, SECURE_SUBDOMAIN_ORIGIN, SameSiteStatus.STRICT, "Subdomain top-level form POSTs are strictly same-site");
  create_test(SECURE_CROSS_SITE_ORIGIN, SECURE_CROSS_SITE_ORIGIN, SameSiteStatus.CROSS_SITE, "Cross-site top-level form POSTs are cross-site");

  // Redirect from {same-host,subdomain,cross-site} to same-host:
  create_test(SECURE_ORIGIN, redirectTo(SECURE_ORIGIN, SECURE_ORIGIN), SameSiteStatus.STRICT, "Same-host redirecting to same-host top-level form POSTs are strictly same-site");
  create_test(SECURE_ORIGIN, redirectTo(SECURE_SUBDOMAIN_ORIGIN, SECURE_ORIGIN), SameSiteStatus.STRICT, "Subdomain redirecting to same-host top-level form POSTs are strictly same-site");
  create_test(SECURE_ORIGIN, redirectTo(SECURE_CROSS_SITE_ORIGIN, SECURE_ORIGIN), SameSiteStatus.CROSS_SITE, "Cross-site redirecting to same-host top-level form POSTs are cross-site");

  // Redirect from {same-host,subdomain,cross-site} to same-host:
  create_test(SECURE_SUBDOMAIN_ORIGIN, redirectTo(SECURE_ORIGIN, SECURE_SUBDOMAIN_ORIGIN), SameSiteStatus.STRICT, "Same-host redirecting to subdomain top-level form POSTs are strictly same-site");
  create_test(SECURE_SUBDOMAIN_ORIGIN, redirectTo(SECURE_SUBDOMAIN_ORIGIN, SECURE_SUBDOMAIN_ORIGIN), SameSiteStatus.STRICT, "Subdomain redirecting to subdomain top-level form POSTs are strictly same-site");
  create_test(SECURE_SUBDOMAIN_ORIGIN, redirectTo(SECURE_CROSS_SITE_ORIGIN, SECURE_SUBDOMAIN_ORIGIN), SameSiteStatus.CROSS_SITE, "Cross-site redirecting to subdomain top-level form POSTs are cross-site");

  // Redirect from {same-host,subdomain,cross-site} to cross-site:
  create_test(SECURE_CROSS_SITE_ORIGIN, redirectTo(SECURE_ORIGIN, SECURE_CROSS_SITE_ORIGIN), SameSiteStatus.CROSS_SITE, "Same-host redirecting to cross-site top-level form POSTs are cross-site");
  create_test(SECURE_CROSS_SITE_ORIGIN, redirectTo(SECURE_SUBDOMAIN_ORIGIN, SECURE_CROSS_SITE_ORIGIN), SameSiteStatus.CROSS_SITE, "Subdomain redirecting to cross-site top-level form POSTs are cross-site");
  create_test(SECURE_CROSS_SITE_ORIGIN, redirectTo(SECURE_CROSS_SITE_ORIGIN, SECURE_CROSS_SITE_ORIGIN), SameSiteStatus.CROSS_SITE, "Cross-site redirecting to cross-site top-level form POSTs are cross-site");
</script>