response-code-non-successful.https.html

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<!DOCTYPE html>

<title>Check that non-successful responses result in discarding the prerender</title>

<meta name="variant" content="?code=204">

<meta name="variant" content="?code=205">

<meta name="variant" content="?code=402">

<meta name="variant" content="?code=404">

<meta name="variant" content="?code=500">

<meta name="variant" content="?code=503">

<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="/common/dispatcher/dispatcher.js"></script>

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

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

<body>

<script>

setup(() => assertSpeculationRulesIsSupported());

const params = new URLSearchParams(window.location.search);

promise_test(async t => {

  // Pass the `code` search param so that a prerendered page is served with the

  // response code.

  const {exec, tryToActivate} =

      await create_prerendered_page(t, {'prerendering': params});

  // Open new window with url to clear cache data through Clear-Site-Data header.

  // Ensure that the cache is cleared before the navigation.

//

  // This is a hack for Chromium that may trigger prefetch prior to prerender,

  // and serve the same prefetched response multiple times (This is known as

  // PrefetchReusable). This breaks the assumption of this test that the first

  // prerender request fails for non-OK status code and then the next real

  // navigation succeeds with 200. With the PrefetchReusable, the real

  // navigation sees the prefetched error response and fails.

  const gotMessage = new Promise(resolve => {

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

          resolve(e.data);

        }, {

          once: true

});

});

  window.open("/../../clear-site-data/support/clear-site-data-prefetchCache.py");

  await gotMessage;

  const result = await tryToActivate();

  assert_equals(result, 'discarded');

},`Responses with code ${params.get('code')} should be discarded`);

</script>