xml-stylesheet-blocking.xhtml

Enable keyboard shortcuts

<?xml version="1.0" encoding="UTF-8"?>

<?xml-stylesheet type="text/css" href="support/simple-style.css?pipe=trickle(d2)"?>

<html xmlns="http://www.w3.org/1999/xhtml">

  <head>

    <script><![CDATA[

      window.observedZIndex = getComputedStyle(document.documentElement).zIndex;

    ]]></script>

    <title>xml-stylesheet blocks script execution and rendering</title>

    <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1986042" />

    <link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io" />

    <link rel="author" title="Mozilla" href="https://mozilla.org" />

    <script src="/resources/testharness.js"/>

    <script src="/resources/testharnessreport.js"/>

  </head>

  <body>

    <script><![CDATA[

    test(function() {

      assert_equals(window.observedZIndex, "3", "XML processing instruction should've blocked script execution and rendering");

});

    ]]></script>

  </body>

</html>