third_party/WebKit/LayoutTests/fast/speechsynthesis/speech-synthesis-utterance-voice.html - Issue 2489123002: Drop LegacyInterfaceTypeChecking for SpeechSynthesisUtterance

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Side by Side Diff: third_party/WebKit/LayoutTests/fast/speechsynthesis/speech-synthesis-utterance-voice.html

Issue 2489123002: Drop LegacyInterfaceTypeChecking for SpeechSynthesisUtterance (Closed)

Patch Set: Created 4 years, 1 month ago

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	1 <!DOCTYPE html>

	2 <title>SpeechSynthesisUtterance voice attribute</title>

	3 <script src="../../resources/testharness.js"></script>

	4 <script src="../../resources/testharnessreport.js"></script>

	5 <script>

	6 test(() => {

	7 const u = new SpeechSynthesisUtterance();

	8 assert_equals(u.voice, null);

	9 }, 'initial state');

	10

	11 test(() => {

	12 const u = new SpeechSynthesisUtterance();

	13 u.voice = null;

	14 assert_equals(u.voice, null);

	15 u.voice = undefined;

	16 assert_equals(u.voice, null);

	17 }, 'setting to null/undefined');

	18

	19 test(() => {

	20 const u = new SpeechSynthesisUtterance();

	21 for (const value of [{}, "", window]) {

	22 assert_throws(new TypeError, () => { u.voice = value; } );

	23 assert_equals(u.voice, null);

	24 }

	25 }, 'setting to non-SpeechSynthesisVoice values');

	26

	27 test(() => {

	28 internals.enableMockSpeechSynthesizer(document);

	29

	30 const u = new SpeechSynthesisUtterance();

	31 const voice = speechSynthesis.getVoices()[0];

	32 // TODO(foolip): This should test instanceof SpeechSynthesisVoice when that

	33 // interface is exposed.

	34 assert_equals(typeof voice, "object");

	35 u.voice = voice;

	36 assert_equals(u.voice, voice);

	37 }, 'setting to SpeechSynthesisVoice');

	38 </script>

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