<!DOCTYPE html> <title>Access to the WebXR inline session API is deferred</title> <meta name="variant" content="?target_hint=_self"> <meta name="variant" content="?target_hint=_blank"> <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> <script src="resources/utils.js"></script> <body> <script> setup(() => assertSpeculationRulesIsSupported()); promise_test(async t => { const uid = token(); const bc = new PrerenderChannel('test-channel', uid); t.add_cleanup(_ => bc.close()); const gotMessage = new Promise(resolve => { bc.addEventListener('message', e => { resolve(e.data); }, { once: true }); }); const url = `resources/web-xr-inline-session.https.html?uid=${uid}&target_hint=${getTargetHint()}`; window.open(url, '_blank', 'noopener'); const result = await gotMessage; const expected = [ { event: `started waiting XRSession.requestSession('inline')`, prerendering: true }, { event: `prerendering change`, prerendering: false }, { event: `finished waiting XRSession.requestSession('inline')`, prerendering: false }, ]; assert_equals(result.length, expected.length); for (let i = 0; i < result.length; i++) { assert_equals(result[i].event, expected[i].event, `event[${i}]`); assert_equals(result[i].prerendering, expected[i].prerendering, `prerendering[${i}]`); } // Send a close signal to PrerenderEventCollector on the prerendered page. new PrerenderChannel('close', uid).postMessage(''); }, `The access to the WebXR inline session API should be deferred until the prerendered page is activated`); </script>