restriction-speech-recognition.html

<!DOCTYPE html>
<!--
This file cannot be upstreamed to WPT until:
* The webkitSpeechRecognition API is standardized.
-->
<title>Access to the speech recognition is deferred</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="/speculation-rules/prerender/resources/utils.js"></script>
<body>
<script>

function RunTest(method, description) {
  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/speech-recognition.https.html?method=${method}&uid=${uid}`;
    window.open(url, '_blank', 'noopener');

    const result = await gotMessage;
    const expected = [
      {
        event: `started waiting SpeechRecognition.${method}`,
        prerendering: true
      },
      {
        event: 'prerendering change',
        prerendering: false
      },
      {
        event: `finished waiting SpeechRecognition.${method}`,
        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('');
  }, description);
}

RunTest('start', `SpeechRecognition.start should be deferred until the prerendered page is activated`);
RunTest('stop', `SpeechRecognition.stop should be deferred until the prerendered page is activated`);
RunTest('abort', `SpeechRecognition.abort should be deferred until the prerendered page is activated`);
</script>
</body>
chromium/third_party/blink/web_tests/wpt_internal/prerender/restriction-speech-recognition.html
