1 files changed, 63 insertions, 0 deletions
diff --git a/testing/web-platform/tests/fetch/fetch-later/iframe.tentative.https.window.js b/testing/web-platform/tests/fetch/fetch-later/iframe.tentative.https.window.js
new file mode 100644
index 0000000000..1e9fed1117
--- /dev/null
+++ b/testing/web-platform/tests/fetch/fetch-later/iframe.tentative.https.window.js
@@ -0,0 +1,63 @@
+// META: script=/common/utils.js
+// META: script=/common/get-host-info.sub.js
+// META: script=/pending-beacon/resources/pending_beacon-helper.js
+
+'use strict';
+
+const {
+  HTTPS_ORIGIN,
+  HTTPS_NOTSAMESITE_ORIGIN,
+} = get_host_info();
+
+async function loadElement(el) {
+  const loaded = new Promise(resolve => el.onload = resolve);
+  document.body.appendChild(el);
+  await loaded;
+}
+
+// `host` may be cross-origin
+async function loadFetchLaterIframe(host, targetUrl) {
+  const url = `${host}/fetch/fetch-later/resources/fetch-later.html?url=${
+      encodeURIComponent(targetUrl)}`;
+  const iframe = document.createElement('iframe');
+  iframe.src = url;
+  await loadElement(iframe);
+  return iframe;
+}
+
+parallelPromiseTest(async t => {
+  const uuid = token();
+  const url = generateSetBeaconURL(uuid);
+
+  // Loads a blank iframe that fires a fetchLater request.
+  const iframe = document.createElement('iframe');
+  iframe.addEventListener('load', () => {
+    fetchLater(url, {activateAfter: 0});
+  });
+  await loadElement(iframe);
+
+  // The iframe should have sent the request.
+  await expectBeacon(uuid, {count: 1});
+}, 'A blank iframe can trigger fetchLater.');
+
+parallelPromiseTest(async t => {
+  const uuid = token();
+  const url = generateSetBeaconURL(uuid);
+
+  // Loads a same-origin iframe that fires a fetchLater request.
+  await loadFetchLaterIframe(HTTPS_ORIGIN, url);
+
+  // The iframe should have sent the request.
+  await expectBeacon(uuid, {count: 1});
+}, 'A same-origin iframe can trigger fetchLater.');
+
+parallelPromiseTest(async t => {
+  const uuid = token();
+  const url = generateSetBeaconURL(uuid);
+
+  // Loads a same-origin iframe that fires a fetchLater request.
+  await loadFetchLaterIframe(HTTPS_NOTSAMESITE_ORIGIN, url);
+
+  // The iframe should have sent the request.
+  await expectBeacon(uuid, {count: 1});
+}, 'A cross-origin iframe can trigger fetchLater.');