payment-extension-allowed-by-permissions-policy-attribute.https.sub.html

<!DOCTYPE html>
<body>
  <script src=/resources/testharness.js></script>
  <script src=/resources/testharnessreport.js></script>
  <script src=/permissions-policy/resources/permissions-policy.js></script>
  <script>
    'use strict';
    var same_origin_src = '/permissions-policy/resources/permissions-policy-payment-extension.html';
    var cross_origin_src = 'https://{{domains[www]}}:{{ports[https][0]}}' +
      same_origin_src;
    var feature_name = 'WebAuthn "payment" extension';
    var header = 'allow="payment" attribute';

    promise_test(t => {
      return test_feature_availability_with_post_message_result(
          t, cross_origin_src, "NotSupportedError");
    }, feature_name + ' is not supported in cross-origin iframe without ' + header);

    promise_test(t => {
      return test_feature_availability_with_post_message_result(
          t, cross_origin_src, 'OK', 'payment');
    }, feature_name + ' can be enabled in cross-origin iframe using ' + header);
  </script>
</body>

chromium/third_party/blink/web_tests/external/wpt/permissions-policy/payment-extension-allowed-by-permissions-policy-attribute.https.sub.html