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51 lines
1.4 KiB
HTML
51 lines
1.4 KiB
HTML
<!DOCTYPE html>
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<title>SpeechSynthesisUtterance basics</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script>
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const DEFAULTS = {
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text: '',
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lang: '',
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voice: null,
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volume: 1,
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rate: 1,
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pitch: 1,
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};
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for (const prop in DEFAULTS) {
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test(function() {
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const utt = new SpeechSynthesisUtterance();
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assert_equals(utt[prop], DEFAULTS[prop], prop);
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}, `new SpeechSynthesisUtterance() default ${prop}`);
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}
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test(function() {
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const utt = new SpeechSynthesisUtterance("hello");
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assert_equals(utt.text, 'hello', 'text');
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// check that the other properties retain their defaults
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for (const prop in DEFAULTS) {
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if (prop != 'text') {
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assert_equals(utt[prop], DEFAULTS[prop], prop);
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}
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}
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}, 'new SpeechSynthesisUtterance("hello") text and defaults');
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test(function() {
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const utt = new SpeechSynthesisUtterance(null);
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assert_equals(utt.text, 'null');
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}, 'new SpeechSynthesisUtterance(null)');
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test(function() {
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const utt = new SpeechSynthesisUtterance(undefined);
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// See https://github.com/w3c/speech-api/pull/48.
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assert_equals(utt.text, '');
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}, 'new SpeechSynthesisUtterance(undefined)');
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test(function() {
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const utt = new SpeechSynthesisUtterance();
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utt.text = 'word';
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assert_equals(utt.text, 'word');
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}, 'SpeechSynthesisUtterance text setter');
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// TODO: setters https://github.com/w3c/speech-api/issues/29
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</script>
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