1 files changed, 92 insertions, 0 deletions
diff --git a/testing/web-platform/tests/cookies/samesite/multiple-samesite-attributes.https.html b/testing/web-platform/tests/cookies/samesite/multiple-samesite-attributes.https.html
new file mode 100644
index 0000000000..d32a39639d
--- /dev/null
+++ b/testing/web-platform/tests/cookies/samesite/multiple-samesite-attributes.https.html
@@ -0,0 +1,92 @@
+<!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 assert_cookie_present(origin, name, value) {
+    return new Promise((resolve, reject) => {
+      var img = document.createElement("img");
+      img.onload = _ => resolve("'" + name + "=" + value + "' present on " + origin);
+      img.onerror = _ => reject("'" + name + "=" + value + "' not present on " + origin);
+
+      // We need to URL encode the destination path/query if we're redirecting:
+      if (origin.match(/\/redir/))
+        img.src = origin + encodeURIComponent("/cookies/resources/imgIfMatch.py?name=" + name + "&value=" + value);
+      else
+        img.src = origin + "/cookies/resources/imgIfMatch.py?name=" + name + "&value=" + value;
+    });
+  }
+
+  function assert_cookie_absent(origin, name, value) {
+    return new Promise((resolve, reject) => {
+      var img = document.createElement("img");
+      img.onload = _ => reject("'" + name + "=" + value + "' present on " + origin);
+      img.onerror = _ => resolve("'" + name + "=" + value + "' not present on " + origin);
+
+      // We need to URL encode the destination path/query if we're redirecting:
+      if (origin.match(/\/redir/))
+        img.src = origin + encodeURIComponent("/cookies/resources/imgIfMatch.py?name=" + name + "&value=" + value);
+      else
+        img.src = origin + "/cookies/resources/imgIfMatch.py?name=" + name + "&value=" + value;
+    });
+  }
+
+  function create_test(origin, target, expectedStatus, title) {
+    promise_test(t => {
+      var value = "" + Math.random();
+      return resetSameSiteMultiAttributeCookies(origin, value)
+        .then(_ => {
+          var asserts = [
+            assert_cookie_present(target, "samesite_unsupported_none", value),
+            assert_cookie_present(target, "samesite_lax_none", value),
+            expectedStatus == SameSiteStatus.STRICT ?
+              assert_cookie_present(target, "samesite_unsupported_strict", value) :
+              assert_cookie_absent(target, "samesite_unsupported_strict", value),
+            expectedStatus == SameSiteStatus.STRICT ?
+              assert_cookie_present(target, "samesite_lax_strict", value) :
+              assert_cookie_absent(target, "samesite_lax_strict", value),
+            expectedStatus == SameSiteStatus.CROSS_SITE ?
+              assert_cookie_absent(target, "samesite_unsupported_lax", value) :
+              assert_cookie_present(target, "samesite_unsupported_lax", value),
+            expectedStatus == SameSiteStatus.CROSS_SITE ?
+              assert_cookie_absent(target, "samesite_strict_lax", value) :
+              assert_cookie_present(target, "samesite_strict_lax", value),
+            expectedStatus == SameSiteStatus.CROSS_SITE ?
+              assert_cookie_absent(target, "samesite_none_unsupported", value) :
+              assert_cookie_present(target, "samesite_none_unsupported", value),
+            expectedStatus == SameSiteStatus.CROSS_SITE ?
+              assert_cookie_absent(target, "samesite_lax_unsupported", value) :
+              assert_cookie_present(target, "samesite_lax_unsupported", value),
+            expectedStatus == SameSiteStatus.CROSS_SITE ?
+              assert_cookie_absent(target, "samesite_strict_unsupported", value) :
+              assert_cookie_present(target, "samesite_strict_unsupported", value),
+            expectedStatus == SameSiteStatus.CROSS_SITE ?
+              assert_cookie_absent(target, "samesite_unsupported", value) :
+              assert_cookie_present(target, "samesite_unsupported", value)];
+          return Promise.all(asserts);
+        });
+    }, title);
+  }
+
+  // No redirect:
+  create_test(SECURE_ORIGIN, SECURE_ORIGIN, SameSiteStatus.STRICT, "Same-host images are strictly same-site");
+  create_test(SECURE_SUBDOMAIN_ORIGIN, SECURE_SUBDOMAIN_ORIGIN, SameSiteStatus.STRICT, "Subdomain images are strictly same-site");
+  create_test(SECURE_CROSS_SITE_ORIGIN, SECURE_CROSS_SITE_ORIGIN, SameSiteStatus.CROSS_SITE, "Cross-site images 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 images are strictly same-site");
+  create_test(SECURE_ORIGIN, redirectTo(SECURE_SUBDOMAIN_ORIGIN, SECURE_ORIGIN), SameSiteStatus.STRICT, "Subdomain redirecting to same-host images are strictly same-site");
+  create_test(SECURE_ORIGIN, redirectTo(SECURE_CROSS_SITE_ORIGIN, SECURE_ORIGIN), SameSiteStatus.CROSS_SITE, "Cross-site redirecting to same-host images 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 images are strictly same-site");
+  create_test(SECURE_SUBDOMAIN_ORIGIN, redirectTo(SECURE_SUBDOMAIN_ORIGIN, SECURE_SUBDOMAIN_ORIGIN), SameSiteStatus.STRICT, "Subdomain redirecting to subdomain images 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 images 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 images 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 images 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 images are cross-site");
+</script>