file_iframe_sandbox_document_write.html

Enable keyboard shortcuts

<!DOCTYPE HTML>

<html>

<head> <meta charset="utf-8"> </head>

<script type="text/javascript">

  function ok(result, desc) {

    window.parent.postMessage({ok: result, desc}, "*");

  function doStuff() {

    var beforePrincipal = SpecialPowers.wrap(document).nodePrincipal;

    document.open();

    document.write("rewritten sandboxed document");

    document.close();

    var afterPrincipal = SpecialPowers.wrap(document).nodePrincipal;

    ok(beforePrincipal.equals(afterPrincipal),

       "document.write() does not change underlying principal");

</script>

<body onLoad='doStuff();'>

  sandboxed with allow-scripts

</body>

</html>