SpeechSynthesis-speak-twice.html | Explore in Territory

<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<body>
<script>
// using an utterance twice on the same SpeechSynthesis instance should work
// https://github.com/w3c/speech-api/issues/7
async_test(t => {
  test_driver.bless('speechSynthesis.speak', t.step_func(() => {
    // the utterance is short to make the test faster
    const utter = new SpeechSynthesisUtterance('1');
    utter.onerror = t.unreached_func('error event');
    speechSynthesis.speak(utter);
    utter.onend = t.step_func(() => {
      speechSynthesis.speak(utter);
      // pass if the utterance finishes a second time
      utter.onend = t.step_func_done();
    });
  }));
}, 'Using the same SpeechSynthesisUtterance twice for speechSynthesis.speak()');
</script>

chromium/third_party/blink/web_tests/external/wpt/speech-api/SpeechSynthesis-speak-twice.html