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<!DOCTYPE html>
<meta charset="utf-8">
<title>Test for method</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
"use strict";
explicit_done: true,
explicit_timeout: true,
allow_uncaught_exception: true,
async function runUserActivation(button) {
button.disabled = true;
const { contentWindow: iframeWindow } = document.getElementById("iframe");
const expectedId = "pass123";
await Promise.resolve(); // next tick
const promiseForResponse = new Promise(resolve => {
window.onmessage = ({ data: { requestId } }) => resolve(requestId);
const ops = { id: expectedId, request: "show-payment-request" };
iframeWindow.postMessage(ops, window.location.origin);
promise_test(async () => {
const actualId = await promiseForResponse;
assert_equals(actualId, expectedId, "ids must match");
}, button.textContent.trim());
<h2>Test triggered by user activation using postMessage()</h2>
Tests that user activation works over postMessage().
Click on bottom below. Hit "Pay".
<button onclick="runUserActivation(this)">
show() is triggered by user activation passed through postMessage() and a promise
<iframe width="100%" id="iframe" src="show-method-postmessage-iframe.html" allow="payment"></iframe>
If you find a buggy test, please <a href="">file a bug</a>
and tag one of the <a href="">suggested reviewers</a>.