fedcm-get-credential-inner.https.html

<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="utils.js"></script>
<title>Fenced frame content to report the result of navigator.credentials.get</title>

<body>
<script>
function isExpectedErrorMessage(e) {
  return e.name === 'NotAllowedError' &&
      e.message ===
      'The credential operation is not allowed in a fenced frame tree.';
}

// This file is meant to be navigated to from a <fencedframe> element. It
// reports back to the page hosting the <fencedframe> whether or not
// `navigator.credentials.get` is allowed.
const [key] = parseKeylist();

const test_options = {
  federated: {
    providers: [{
      configURL: 'https://idp.test/fedcm.json',
      clientId: '1',
      nonce: '2',
    }]
  }
};
navigator.credentials.get(test_options)
    .then(
        () => {
          writeValueToServer(key, 'unexpected passed');
        },
        (e) => {
          if (isExpectedErrorMessage(e)) {
            writeValueToServer(key, 'navigator.credentials.get failed');
          } else {
            writeValueToServer(
              key, 'navigator.credentials.get failed by unexpected reason');
          }
        },
    );
</script>
</body>

chromium/third_party/blink/web_tests/external/wpt/fenced-frame/resources/fedcm-get-credential-inner.https.html