chromium/third_party/blink/web_tests/external/wpt/trusted-types/TrustedTypePolicy-CSP-no-name.html

<!DOCTYPE html>
<script src="/resources/testharness.js" ></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/helper.sub.js"></script>

<meta http-equiv="Content-Security-Policy" content="trusted-types">
<body>
<script>
  // No name given test
  test(t => {
    assert_throws_js(TypeError,
      () => window.trustedTypes.createPolicy('SomeName', { createHTML: s => s } ),
      "createPolicy with an empty trusted-types CSP directive");
  }, "No name list given - policy creation fails.");
</script>