// META: global=window,worker // META: script=/common/get-host-info.sub.js // META: script=resources/webtransport-test-helpers.sub.js function set_csp(destination) { let meta = document.createElement('meta'); meta.httpEquiv = 'Content-Security-Policy'; meta.content = `connect-src ${destination}`; return meta; } promise_test(async t => { let meta = set_csp("'none'"); document.head.appendChild(meta); let wt = new WebTransport(webtransport_url('custom-response.py?:status=200')); // Sadly we cannot use promise_rejects_dom as the error constructor is // WebTransportError rather than DOMException. const e = await wt.ready.catch(e => e); await promise_rejects_exactly(t, e, wt.ready, 'ready promise should be rejected'); await promise_rejects_exactly(t, e, wt.closed, 'closed promise should be rejected'); assert_equals(e.name, 'WebTransportError', 'WebTransportError'); assert_true(e instanceof WebTransportError); assert_equals(e.source, 'session', 'source'); assert_equals(e.streamErrorCode, null, 'streamErrorCode'); }, 'WebTransport connection should fail when CSP connect-src is set to none and reject the promises');