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<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/speculation-rules/prerender/resources/utils.js"></script>
<script src="/speculation-rules/prerender/resources/deferred-promise-utils.js"></script>
<script>
const params = new URLSearchParams(location.search);
// The main test page (restriction-web-nfc.https.html) loads the initiator page,
// then the initiator page will prerender itself with the `prerendering`
// parameter.
const isPrerendering = params.has('prerendering');
if (!isPrerendering) {
loadInitiatorPage();
} else {
const prerenderEventCollector = new PrerenderEventCollector();
const promise = new Promise(async (resolve) => {
// We expect an error from NDEFReader.write() and scan() since we don't
// enable NFC HW.
const ndef = new NDEFReader();
const result1 = await ndef.write("Test")
.then(() => 'ndef.write() unexpectedly succeeded')
.catch(e => 'ndef.write() failed');
prerenderEventCollector.addEvent(result1);
const result2 = await ndef.scan()
.then(() => 'ndef.scan() unexpectedly succeeded')
.catch(e => 'ndef.scan() failed');
prerenderEventCollector.addEvent(result2);
resolve();
});
prerenderEventCollector.start(promise, 'NDEFReader.[write|scan]');
}
</script>
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