test_bug1255618.html

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<!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>