// META: title=Access-Control-Allow-Headers supports * // META: script=/common/get-host-info.sub.js "use strict"; async_test(t => { const xhr = new XMLHttpRequest(); xhr.open("GET", corsURL("resources/access-control-preflight-request-allow-headers-returns-star.py")); xhr.setRequestHeader("X-Test", "foobar"); xhr.onerror = t.unreached_func("Error occurred."); xhr.onload = t.step_func_done(() => { assert_equals(xhr.status, 200); assert_equals(xhr.responseText, "PASS"); }); xhr.send(); }); function corsURL(path) { const url = new URL(path, location.href); url.hostname = get_host_info().REMOTE_HOST; return url.href; }