1 files changed, 28 insertions, 0 deletions
diff --git a/testing/web-platform/tests/speculation-rules/prerender/cross-origin-isolated.https.html b/testing/web-platform/tests/speculation-rules/prerender/cross-origin-isolated.https.html
new file mode 100644
index 0000000000..01dafe00bf
--- /dev/null
+++ b/testing/web-platform/tests/speculation-rules/prerender/cross-origin-isolated.https.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<title>Allow crossOriginIsolated in prerendered page</title>
+<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="resources/utils.js"></script>
+<body>
+<script>
+
+setup(() => assertSpeculationRulesIsSupported());
+
+promise_test(async t => {
+  const uid = token();
+  const testChannel = new PrerenderChannel('test-channel', uid);
+  t.add_cleanup(() => {
+    testChannel.close();
+  });
+  const gotMessage = new Promise(resolve => {
+    testChannel.addEventListener('message', e => resolve(e.data), {once: true});
+  });
+
+  startPrerendering(`resources/cross-origin-isolated.https.html?uid=${uid}`);
+  assert_true(await gotMessage);
+}, 'Allow crossOriginIsolated in prerendered page');
+
+</script>
+</body>