1 files changed, 30 insertions, 0 deletions
diff --git a/testing/web-platform/tests/navigation-api/navigate-event/cross-window/submit-crossdocument-crossorigin.html b/testing/web-platform/tests/navigation-api/navigate-event/cross-window/submit-crossdocument-crossorigin.html
new file mode 100644
index 0000000000..007f58b1fb
--- /dev/null
+++ b/testing/web-platform/tests/navigation-api/navigate-event/cross-window/submit-crossdocument-crossorigin.html
@@ -0,0 +1,30 @@
+<!doctype html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/get-host-info.sub.js"></script>
+<body>
+
+<script>
+async_test(t => {
+  const url = new URL("resources/cross-origin-iframe-helper.html", location.href);
+  url.hostname = get_host_info().REMOTE_HOST;
+  const iframe = document.createElement("iframe")
+  iframe.src = url;
+  iframe.name = "windowname";
+  document.body.append(iframe);
+
+  const form = document.createElement("form");
+  form.action = url;
+  form.target = iframe.name;
+  form.innerHTML = `<input type="hidden" name="postMessage-top-when-done" value="yes">`;
+  document.body.append(form);
+
+  window.onmessage = t.step_func_done(e => {
+    // If we hit onnavigate in the target window, we'll get a different message, and fail.
+    assert_equals(e.data, "DONE");
+  });
+
+  navigation.onnavigate = t.unreached_func("onnavigate must not fire in the source window");
+  window.onload = t.step_func(() => form.submit());
+}, "submitting a <form> element that navigates cross-document targeting a cross-origin window");
+</script>