not-clonable.html (374B)
1 <!doctype html> 2 <script src="/resources/testharness.js"></script> 3 <script src="/resources/testharnessreport.js"></script> 4 <script> 5 const t = async_test("Test that a postMessage of a performance entry fails"); 6 addEventListener("message", t.step_func_done(e => { 7 assert_equals(e.data, "PASS"); 8 })); 9 </script> 10 <iframe src="resources/postmessage-entry.html"></iframe>