speech-synthesis-speak-invalid-argument-throws.html

<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
<html>
<head>
<script src="../../resources/js-test.js"></script>
</head>
<body id="body">

<div id="console"></div>

<script>

    if (window.internals)
        internals.enableMockSpeechSynthesizer(window);

    description("This tests that passing an argument other than a SpeechSynthesisUtterance to speechSynthesis.speak throws a TypeError exception.");

    shouldThrow("speechSynthesis.speak()");
    shouldThrow("speechSynthesis.speak(0)");
    shouldThrow("speechSynthesis.speak('')");
    shouldThrow("speechSynthesis.speak(document.body)");
    shouldThrow("speechSynthesis.speak({})");
    shouldThrow("speechSynthesis.speak((new SpeechSynthesisUtterance()).text = 'hello')");

</script>

</body>
</html>

chromium/third_party/blink/web_tests/fast/speechsynthesis/speech-synthesis-speak-invalid-argument-throws.html