1 files changed, 57 insertions, 0 deletions
diff --git a/testing/web-platform/tests/cookies/samesite/form-post-blank.https.html b/testing/web-platform/tests/cookies/samesite/form-post-blank.https.html
new file mode 100644
index 0000000000..947853893d
--- /dev/null
+++ b/testing/web-platform/tests/cookies/samesite/form-post-blank.https.html
@@ -0,0 +1,57 @@
+<!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>