dom/media/webaudio/test/test_bug1255618.html


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<!DOCTYPE HTML>
<html>
<head>
  <title>Test sync XHR does not crash unlinked AudioContext</title>
  <script type="text/javascript" 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>