test_dynamic_import.html

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<!DOCTYPE HTML>

<html>

<head>

  <title>Test import() should throw a TypeError for Worklets</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>

  <script type="application/javascript" src="common.js"></script>

</head>

<body>

<script type="application/javascript">

const WORKLET_SCRIPT = "dynamic_import.js";

function configureTest() {

  const ConsoleAPIStorage = SpecialPowers.Cc[

    "@mozilla.org/consoleAPI-storage;1"

  ].getService(SpecialPowers.Ci.nsIConsoleAPIStorage);

  // We use console API to check if a TypeError has been thrown, as worklets

  // have limitations to post the result back to the main document:

  // Worklets have a different global, and they don't have postMessage() APIs,

  // and static import SimpleTest.js in worklets also don't work.

  function observe(aSubject) {

    var obj = aSubject.wrappedJSObject;

    info("Got console message:" + obj.arguments[0]);

    is(TypeError.name + ": Success", obj.arguments[0], "import() should throw");

    ConsoleAPIStorage.removeLogEventListener(observe);

    SimpleTest.finish();

  ConsoleAPIStorage.addLogEventListener(observe, SpecialPowers.wrap(document).nodePrincipal);

// This function is called into an iframe.

function runTestInIframe() {

  var audioContext = new AudioContext();

  audioContext.audioWorklet.addModule(WORKLET_SCRIPT);

</script>

</body>

</html>