SpeechSynthesis-speak-events.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>
async function runStartEndTest(t, utterance) {
  const eventWatcher = new EventWatcher(t, utterance, ['start', 'end', 'error']);
  await test_driver.bless('speechSynthesis.speak',
      () => { speechSynthesis.speak(utterance) });
  await eventWatcher.wait_for(['start', 'end']);
}
promise_test(async (t) => {
  const utterance = new SpeechSynthesisUtterance();
  await runStartEndTest(t, utterance);
}, 'speechSynthesis.speak() fires start and end events with empty utterance');
promise_test(async (t) => {
  const utterance = new SpeechSynthesisUtterance('test');
  await runStartEndTest(t, utterance);
}, 'speechSynthesis.speak() fires start and end events');
</script>

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