<!DOCTYPE html>
<meta charset="utf-8">
<title>&lt;script> referrerPolicy IDL</title>
<link rel="author" href="mailto:masonf@chromium.org">
<link rel="help" href="https://html.spec.whatwg.org/multipage/#referrer-policy-attribute">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<body>
<script>
  test(() => {
    const script = document.createElement('script');
    document.body.appendChild(script);
    assert_equals(script.referrerPolicy,"",'Missing content attribute should reflect as empty');
    script.setAttribute('referrerpolicy','no-referrer');
    assert_equals(script.referrerPolicy,"no-referrer",'Valid value should reflect');
    script.setAttribute('referrerpolicy','');
    assert_equals(script.referrerPolicy,"",'Empty string should reflect as empty');
    script.setAttribute('referrerpolicy','invalid-value-here');
    assert_equals(script.referrerPolicy,"",'Invalid values should reflect as empty');
    script.referrerPolicy = 'no-referrer';
    assert_equals(script.referrerPolicy,"no-referrer",'Valid value via IDL');
    script.referrerPolicy = null;
    assert_equals(script.referrerPolicy,"",'Null should reflect as empty');
  },'Missing/invalid/null referrerPolicy should reflect as the empty string')
</script>
