mozilla-release/testing/web-platform/tests/payment-request/allowpaymentrequest/active-document-same-origin.https.html

<!doctype html>
<title>PaymentRequest &lt;iframe allowpaymentrequest> in non-active document (same-origin)</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<iframe id="iframe" allowpaymentrequest></iframe>
<script>
async_test((t) => {
  const iframe = document.getElementById('iframe');
  const paymentArgs = [[{supportedMethods: 'foo'}], {total: {label: 'label', amount: {currency: 'USD', value: '5.00'}}}];

  onload = () => {
    const win = window[0];
    const grabbedPaymentRequest = win.PaymentRequest;
    win.location.href = '/common/blank.html';
    iframe.onload = t.step_func_done(() => {
      assert_throws({name: 'SecurityError'}, () => {
        new grabbedPaymentRequest(...paymentArgs);
      });
    });
  }
});
</script>