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Test Info: Warnings

<!DOCTYPE html>
<meta charset="utf-8">
<title>Test for the 'secure-payment-confirmation' payment method authentication - cross origin</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="utils.sub.js"></script>
<!-- This test requires a non-empty body to workaround -->
<body><div>Non-empty body</div></body>
'use strict';
promise_test(async t => {
// Make sure that we are testing a cross-origin authentication ceremony.
assert_not_equals(window.location.hostname, '{{hosts[alt][]}}',
'This test must not be run on the alt hostname.');
const authenticator = await window.test_driver.add_virtual_authenticator(
t.add_cleanup(() => {
return window.test_driver.remove_virtual_authenticator(authenticator);
await window.test_driver.set_spc_transaction_mode("autoAccept");
t.add_cleanup(() => {
return window.test_driver.set_spc_transaction_mode("none");
// Create a credential for the WPT alt domain.
const credential = await createCredentialForAltDomain();
assert_equals(credential.error, null);
const challenge = 'server challenge';
const payeeOrigin = '';
const displayName = 'Troycard ***1234';
const request = new PaymentRequest([{
supportedMethods: 'secure-payment-confirmation',
data: {
credentialIds: [credential.rawId],
challenge: Uint8Array.from(challenge, c => c.charCodeAt(0)),
rpId: '{{hosts[alt][]}}',
timeout: 60000,
instrument: {
icon: ICON_URL,
await test_driver.bless('user activation');
const responsePromise =;
const response = await responsePromise;
await response.complete('success');
const cred = response.details;
const clientDataJSON = JSON.parse(arrayBufferToString(cred.response.clientDataJSON));
// The origin should be ourselves, whilst the RP should be the alt hostname
// (as the owner of the credential).
assert_equals(clientDataJSON.origin, window.location.origin);
assert_equals(clientDataJSON.payment.rpId, '{{hosts[alt][]}}');
}, 'Cross-origin SPC authentication ceremony');