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<!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>
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