1 files changed, 41 insertions, 0 deletions
diff --git a/testing/web-platform/tests/fenced-frame/resources/ignore-child-fenced-frame-onload-event-inner.html b/testing/web-platform/tests/fenced-frame/resources/ignore-child-fenced-frame-onload-event-inner.html
new file mode 100644
index 0000000000..4fe496f29c
--- /dev/null
+++ b/testing/web-platform/tests/fenced-frame/resources/ignore-child-fenced-frame-onload-event-inner.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<title>child frame with delayed onload event</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="utils.js"></script>
+
+<body>
+</body>
+<script>
+  (function () {
+    const [element_type, toplevel_loaded_key, result_key] = parseKeylist();
+
+    // Delays the onload event of the iframe for 2 sec.
+    if (element_type == "iframe") {
+      const img = document.createElement("img");
+      img.src = "/common/square.png?pipe=trickle(d2)";
+      document.body.appendChild(img);
+      return;
+    }
+
+    const iframe = document.createElement('iframe');
+    iframe.src = generateURL("ignore-child-fenced-frame-onload-event-inner." +
+      "html", ["iframe"]);
+    document.body.append(iframe);
+
+    let iframe_loaded = false;
+    let result = "passed";
+    window.onload = async function () {
+      const toplevel_loaded = await readValueFromServer(toplevel_loaded_key);
+      if (!toplevel_loaded.status || !iframe_loaded)
+        result = "failed";
+      writeValueToServer(result_key, result);
+    }
+
+    iframe.onload = function () {
+      iframe_loaded = true;
+    }
+  })();
+</script>
+
+</html>