chromium/third_party/blink/web_tests/external/wpt/payment-request/resources/delegate-request-subframe.sub.html

<!DOCTYPE html>
<title>Payment request delegation test: subframe</title>

<script>
  function reportResult(msg) {
      window.top.postMessage({"type": "result", "result": msg}, "*");
  }

  async function requestPayment(e) {
      const supportedMethods = [{
          supportedMethods: "https://{{hosts[][nonexistent]}}/payment-request"
      }];
      const details = {
          total: { label: "Test", amount: { currency: "CAD", value: "1.00" } }
      };
      const request = new PaymentRequest(supportedMethods, details);

      request.show().catch(e => {
          if (e.name == "SecurityError") {
              reportResult("failure");
          } else if (e.name == "NotSupportedError") {
              // Because we used a non-existent url in supportedMethod aboves, this error message
              // means all checks required for this test (i.e. user activation check and payment
              // delegation check) have passed successfully.
              reportResult("success");
          } else {
              reportResult("unexpected");
          }
      });
  }

  window.addEventListener("message", e => {
      if (e.data.type == "make-payment-request")
          requestPayment();
  });

  window.top.postMessage({"type": "subframe-loaded"}, "*");
</script>