link-rellist.html - mozsearch

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/document-metadata/the-link-element/link-rellist.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>link.relList: non-string contains</title>

<link rel="author" title="Ms2ger" href="mailto:ms2ger@gmail.com">

<link rel="help" href="https://html.spec.whatwg.org/multipage/#the-link-element">

<link rel="help" href="https://html.spec.whatwg.org/multipage/#domtokenlist">

<link rel="help" href="https://webidl.spec.whatwg.org/#ecmascript-binding">

<link rel="help" href="http://www.ecma-international.org/publications/files/ECMA-ST/ECMA-262.pdf#page=57">

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

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

<link id="link" rel="undefined null 0 NaN Infinity">

<div id="log"></div>

<script>

test(function() {

  var list = document.getElementById("link").relList;

  assert_equals(list.contains(undefined), true); //"undefined"

  assert_equals(list.contains(null), true); //"null"

  assert_equals(list.contains(-0), true); //"0"

  assert_equals(list.contains(+0), true); //"0"

  assert_equals(list.contains(NaN), true); //"NaN"

  assert_equals(list.contains(+Infinity), true); //"Infinity"

  assert_equals(list.contains(-Infinity), false); //"-Infinity"

  assert_equals(list.supports("stylesheet"), true);

  assert_equals(list.supports("nosuchrelvalueever"), false);

});

</script>