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<!doctype html>
<meta charset=utf-8>
<title>Dispatching PaymentRequestUpdateEvent for "payerdetailschange"</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src="helpers.js"></script>
<script>
function runTest(button) {
button.disabled = true;
promise_test(async t => {
const response = await getPaymentResponse({ requestPayerName: true });
const eventPromise = new Promise((_, reject) => {
response.addEventListener("payerdetailchange", ev => {
// [[waitForUpdate]] becomes true...
ev.updateWith({});
// So calling it again throws "InvalidStateError".
try {
ev.updateWith({});
} catch (err) {
reject(err);
}
});
});
await response.retry({
payer: { name: "Change me!" },
});
await promise_rejects_dom(t, "InvalidStateError", eventPromise);
await response.complete("success");
}, button.textContent.trim());
}
</script>
<h2>Handling PaymentResponse.prototype.onpayerdetailchange events</h2>
<p>
The test brings up the Payment Request UI window.
When shown the payment sheet, use any details and hit pay.
</p>
<p>
When asked to retry the payment:
</p>
<ol>
<li>
<p>
Change payer's name to anything.
</p>
<button onclick="runTest(this);">
Calling PaymentRequestUpdateEvent updateWith() twice throws an "InvalidStateError".
</button>
</li>
<li>
<button onclick="done();">DONE!</button>
</li>
</ol>
<small>
If you find a buggy test, please <a href="https://github.com/web-platform-tests/wpt/issues">file a bug</a>
and tag one of the <a href="https://github.com/web-platform-tests/wpt/blob/master/payment-request/META.yml">owners</a>.
</small>