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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>SpeechRecognition: its events neither bubble nor are cancelable</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<pre id="test">
<script>
"use strict";
// "These events do not bubble and are not cancelable."
//
// "result" and "nomatch" need a real model, so they are checked in
// test_stop_returns_result_or_nomatch.html.
// Valid BCP-47, supported by no model, so start() fails with "error".
const UNSUPPORTED = "xx-XX";
const EVENT_TYPES = [
"start", "audiostart", "soundstart", "speechstart", "speechend", "soundend",
"audioend", "result", "nomatch", "error", "end",
];
// Record whatever the session fires, rather than a fixed sequence.
function record(sr, seen) {
for (const type of EVENT_TYPES) {
sr.addEventListener(type, e => {
seen.push({ type: e.type, bubbles: e.bubbles, cancelable: e.cancelable });
});
}
}
function checkAll(seen) {
const bubbling = seen.filter(e => e.bubbles).map(e => e.type);
is(bubbling.join(", "), "", "no event bubbles");
const cancelable = seen.filter(e => e.cancelable).map(e => e.type);
is(cancelable.join(", "), "", "no event is cancelable");
}
add_setup(async function setup() {
await SpecialPowers.pushPrefEnv({
set: [
["media.webspeech.recognition.enable", true],
["browser.ml.modelHub.testing", true],
["media.webspeech.recognition.model-download.prompt.testing", true],
["media.navigator.permission.disabled", true],
],
});
});
add_task(async function a_session_that_runs() {
const sr = new SpeechRecognition();
const seen = [];
record(sr, seen);
await new Promise(resolve => {
sr.onstart = resolve;
sr.start();
});
await new Promise(resolve => {
sr.onend = resolve;
sr.abort();
});
info(`events: ${seen.map(e => e.type).join(", ")}`);
ok(seen.some(e => e.type === "start"), "the session fired start");
ok(seen.some(e => e.type === "end"), "the session fired end");
checkAll(seen);
});
add_task(async function a_session_that_fails() {
const sr = new SpeechRecognition();
const seen = [];
record(sr, seen);
sr.lang = UNSUPPORTED;
// A session refused before it started fires "error" without "end" (see
// DispatchErrorAndEnd), so either event settles the wait.
await new Promise(resolve => {
sr.onerror = resolve;
sr.onend = resolve;
sr.start();
});
info(`events: ${seen.map(e => e.type).join(", ")}`);
ok(seen.some(e => e.type === "error"), "the refused session fired error");
checkAll(seen);
});
</script>
</pre>
</body>
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