test_bug_2027541.html

Enable keyboard shortcuts

<!DOCTYPE html>

<head>

  <meta charset=utf-8>

  <title>Call import.meta.resolve after iframe removal</title>

</head>

<body>

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

<script>

SimpleTest.waitForExplicitFinish();

window.stolenResolve = null;

async function runTest() {

  const iframe = document.createElement("iframe");

  iframe.srcdoc = `<!DOCTYPE html><html><body>

    <script type="module">

      window.parent.stolenResolve = import.meta.resolve;

      window.parent.postMessage("ready", "*");

    <\/script>

    </body></html>`;

  const ready = new Promise(resolve => {

    window.addEventListener("message", () => resolve(), { once: true });

});

  document.body.appendChild(iframe);

  await ready;

  ok(typeof window.stolenResolve === "function",

     "Got import.meta.resolve from inline iframe module");

  iframe.remove();

  SpecialPowers.forceGC();

  SpecialPowers.forceCC();

  await new Promise(r => requestAnimationFrame(r));

  let result = window.stolenResolve("https://example.com/");

  is(result, "https://example.com/",

     "import.meta.resolve returns correct result after iframe removal and GC");

  window.stolenResolve = null;

  SimpleTest.finish();

runTest();

</script>

</body>