Source code
Revision control
Copy as Markdown
Other Tools
Test Info: Warnings
- This test has a WPT meta file that expects 1 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /speech-api/SpeechSynthesisEvent-constructor.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<meta charset="utf-8">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
/*
[Exposed=Window,
Constructor(DOMString type, SpeechSynthesisEventInit eventInitDict)]
interface SpeechSynthesisEvent : Event {
readonly attribute SpeechSynthesisUtterance utterance;
readonly attribute unsigned long charIndex;
readonly attribute float elapsedTime;
readonly attribute DOMString name;
};
*/
test(() => {
assert_throws_js(TypeError, () => {
new SpeechSynthesisEvent();
});
}, "SpeechSynthesisEvent with no arguments throws TypeError");
test(() => {
assert_throws_js(TypeError, () => {
new SpeechSynthesisEvent("type");
});
}, "SpeechSynthesisEvent with no eventInitDict throws TypeError");
test(() => {
assert_throws_js(TypeError, () => {
new SpeechSynthesisEvent("type", {});
});
}, `SpeechSynthesisEvent with empty eventInitDict throws TypeError (requires
utterance)`);
test(() => {
assert_throws_js(TypeError, () => {
new SpeechSynthesisEvent("type", {charIndex: 10, elapsedTime: 50, name:"foo"});
});
}, `SpeechSynthesisEvent with eventInitDict not having utterance throws
TypeError`);
test(() => {
const utterance = new SpeechSynthesisUtterance("foo");
const event = new SpeechSynthesisEvent("type", {utterance: utterance});
assert_equals(event.utterance, utterance);
assert_equals(event.charIndex, 0);
assert_equals(event.charLength, 0);
assert_equals(event.elapsedTime, 0);
assert_equals(event.name, "");
}, "SpeechSynthesisEvent with eventInitDict having an utterance");
test(() => {
const utterance = new SpeechSynthesisUtterance("foo");
const event = new SpeechSynthesisEvent("type", {
utterance: utterance,
charIndex: 5,
charLength: 3,
elapsedTime: 100,
name: "foo"
});
assert_equals(event.bubbles, false);
assert_equals(event.cancelable, false);
assert_equals(event.type, "type");
assert_equals(event.utterance, utterance);
assert_equals(event.charIndex, 5);
assert_equals(event.charLength, 3);
assert_equals(event.elapsedTime, 100);
assert_equals(event.name, "foo");
}, "SpeechSynthesisEvent with custom eventInitDict");
</script>