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<title>Postmessage of a WebAssembly.Module cross-origin fails with a messageerror</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="./resources/test-incrementer.js"></script>
<body></body>
<script>
promise_test(async t => {
// Create an iframe. It will notify this document when the "messageerror"
// event is triggered.
const iframe = document.createElement("iframe");
iframe.src = "//{{domains[www1]}}:{{location[port]}}" +
"/wasm/serialization/module/resources/incrementer-iframe-failure.html";
// Instantiate and wait for the document to be loaded.
const iframeLoaded = new Promise(resolve => iframe.onload = resolve);
document.body.appendChild(iframe);
await iframeLoaded;
const module = await createWasmModule();
const messageErrorReceived = new Promise(resolve => {
window.onmessage = ({data}) => {
if (data == 'messageerror received')
resolve();
};
});
iframe.contentWindow.postMessage({message: 'send module', module}, "*");
await messageErrorReceived;
}, "postMessaging a wasm module to a cross-origin iframe fails");
</script>
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