1 files changed, 52 insertions, 0 deletions
diff --git a/testing/web-platform/tests/speculation-rules/prefetch/different-initiators-2.https.html b/testing/web-platform/tests/speculation-rules/prefetch/different-initiators-2.https.html
new file mode 100644
index 0000000000..1242ebbfb4
--- /dev/null
+++ b/testing/web-platform/tests/speculation-rules/prefetch/different-initiators-2.https.html
@@ -0,0 +1,52 @@
+<!DOCTYPE html>
+<meta name="timeout" content="long">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/utils.js"></script>
+<script src="/common/dispatcher/dispatcher.js"></script>
+<script src="resources/utils.sub.js"></script>
+<script src="/service-workers/service-worker/resources/test-helpers.sub.js"></script>
+<script>
+// Regression test for https://crbug.com/1431804.
+promise_test(async t => {
+  assert_implements(HTMLScriptElement.supports('speculationrules'),
+      "Speculation Rules not supported");
+
+  const win = await spawnWindow(t, { protocol: 'https' });
+  const nextUrl = win.getExecutorURL({ protocol: 'https', page: 2 });
+
+  // Navigate `win` from Document #1 -> #2 (nextUrl) -> #3 (tempUrl) ->
+  // #4 (nextUrl),
+  // Start speculation rules prefetch from #1, and
+  // Try using the prefetched result for the navigation #3 -> #4.
+  // The Documents #2 and #4 are different, but the same RenderFrameHost is
+  // used before https://crbug.com/936696 is done.
+
+  await win.forceSinglePrefetch(nextUrl);
+
+  // Register a SW for `nextUrl` -- this is a trick to make the prefetched
+  // result to put in `PrefetchService::prefetches_ready_to_serve_` in
+  // Chromium implementation but actually not used by this navigation.
+  const r = await service_worker_unregister_and_register(
+      t, 'resources/sw.js', nextUrl);
+  await wait_for_state(t, r.installing, 'activated');
+
+  // Navigate #1 -> #2.
+  // This doesn't use the prefetched result due to the ServiceWorker.
+  await win.navigate(nextUrl);
+
+  // Unregister the SW.
+  await service_worker_unregister(t, nextUrl);
+
+  // Navigate #2 -> #3 -> #4.
+  const tempUrl = win.getExecutorURL({ protocol: 'https', page: 3 });
+  await win.navigate(tempUrl);
+  await win.navigate(nextUrl);
+
+  const headers = await win.execute_script(() => {
+    return requestHeaders;
+  }, []);
+  assert_not_prefetched(headers,
+      "Prefetch should not work for different initiators.");
+}, "Prefetches from different initiator Documents with same RenderFrameHost");
+</script>