web-nfc.https.html

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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>