restriction-web-share.https.html

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This WPT test may be referenced by the following Test IDs:
- /speculation-rules/prerender/restriction-web-share.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Prerendering cannot invoke the Web Share API</title>

<meta name="timeout" content="long">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/common/utils.js"></script>

<script src="../resources/utils.js"></script>

<script src="resources/utils.js"></script>

<body>

<script>

setup(() => assertSpeculationRulesIsSupported());

promise_test(async t => {

  const uid = token();

  const bc = new PrerenderChannel('prerender-channel', uid);

  const gotMessage = new Promise(resolve => {

    bc.addEventListener('message', e => {

      resolve(e.data);

    }, {

      once: true

});

});

  // Start prerendering a page that attempts to invoke the Web Share API.

  // This API is activated-gated so it's expected to fail:

  // https://wicg.github.io/nav-speculation/prerendering.html#activation-gated

  startPrerendering(`resources/web-share.https.html?uid=${uid}`);

  const result = await gotMessage;

  assert_equals(result, 'NotAllowedError');

  bc.close();

}, `prerendering pages should not be able to invoke the Web Share API`);

</script>