tor-browser

The Tor Browser
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HTMLLinkElement-disabled-006.html (1238B)

      1 <!doctype html>
      2 <title>&lt;link disabled&gt;'s "explicitly enabled" state isn't magically set from the setter</title>
      3 <link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
      4 <link rel="author" title="Mozilla" href="https://mozilla.org">
      5 <link rel="help" href="https://html.spec.whatwg.org/#attr-link-disabled">
      6 <script src="/resources/testharness.js"></script>
      7 <script src="/resources/testharnessreport.js"></script>
      8 <script>
      9 function assert_applies(applies) {
     10  (applies ? assert_equals : assert_not_equals)(getComputedStyle(document.documentElement).backgroundColor, "rgb(0, 128, 0)");
     11 }
     12 
     13 async_test(function(t) {
     14  const link = document.createElement("link");
     15  link.setAttribute("rel", "alternate stylesheet");
     16  link.setAttribute("title", "alt");
     17  link.href = "data:text/css,html { background: green }";
     18  link.disabled = false; // This should do nothing, and is the point of this test.
     19  link.onload = t.step_func_done(function() {
     20    assert_applies(false); // Should not apply, since it's an alternate that hasn't been enabled.
     21    assert_false(link.disabled);
     22  });
     23  document.head.appendChild(link);
     24 }, "HTMLLinkElement.disabled setter does nothing if the attribute isn't present already.");
     25 </script>