redirect-middle-of-prefetch.https.html

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<!DOCTYPE html>

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

<meta name="variant" content="?origin=same-origin">

<meta name="variant" content="?origin=cross-site-redirect">

<meta name="variant" content="?origin=cross-site-initial">

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

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

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

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

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

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

<script src="resources/redirect-helper.sub.js"></script>

<script>

setup(() => assertSpeculationRulesIsSupported());

// Attempt to use the prefetched result in the middle of its redirects during

// prefetch.

// i.e. prefetch `prefetchInitialUrl` that is redirected to `prefetchFinalUrl`,

// then navigate (either directly or via redirect) to `prefetchFinalUrl.

// Prefetches should be completed before navigation starts, because otherwise

// the prefetch's redirected URL is not known at the time of navigation.

const prefetchTiming = 'redirect-received-before-navigation-start';

promise_test(async t => {

  const {agent,

         prefetchInitialUrl,

         prefetchFinalUrl,

         redirectToPrefetchInitialUrl,

         redirectToPrefetchFinalUrl} = await prepare(t, prefetchTiming);

  await agent.forceSinglePrefetch(prefetchInitialUrl);

  await agent.navigate(prefetchFinalUrl,

                       {expectedDestinationUrl: prefetchFinalUrl});

  assert_not_prefetched(await agent.getRequestHeaders(),

      'Prefetched response should not be used by navigation.');

}, 'Navigate to the final URL of the prefetch');

promise_test(async t => {

  const {agent,

         prefetchInitialUrl,

         prefetchFinalUrl,

         redirectToPrefetchInitialUrl,

         redirectToPrefetchFinalUrl} = await prepare(t, prefetchTiming);

  await agent.forceSinglePrefetch(prefetchInitialUrl);

  await agent.navigate(redirectToPrefetchFinalUrl,

                       {expectedDestinationUrl: prefetchFinalUrl});

  assert_not_prefetched(await agent.getRequestHeaders(),

      'Prefetched response should not be used by navigation.');

}, 'Navigation is redirected to the final URL of the prefetch');

</script>