Bug 1822876: Add H3 ECH Telemetry. r=kershaw,necko-reviewers
This patch adds telemetry which records when H3 connections succeed / fail
and what kind of ECH they used. Our H3 ECH tests are extended to test these
different modes and that the telemetry is recorded correctly.
Differential Revision:
https://phabricator.services.mozilla.com/D172813
<!DOCTYPE HTML>
<html>
<head>
<title>Test sync XHR does not crash unlinked AudioContext</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<script>
SimpleTest.waitForExplicitFinish();
const filename = "test_bug1255618.html";
function collect_and_fetch() {
SpecialPowers.forceGC();
SpecialPowers.forceCC();
var xhr = new XMLHttpRequest();
xhr.open("GET", filename, false);
var ended = false;
xhr.onloadend = function() { ended = true; }
// Sync XHR will suspend timeouts, which involves any AudioContexts still
// registered with the window.
// See https://bugzilla.mozilla.org/show_bug.cgi?id=1255618#c0
xhr.send(null);
ok(ended, "No crash during fetch");
SimpleTest.finish();
}
var ac = new AudioContext();
ac.onstatechange = function () {
ac.onstatechange = null;
is(ac.state, "running", "statechange to running");
ac = null;
SimpleTest.executeSoon(collect_and_fetch);
}
</script>
</body>
