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<!DOCTYPE html>
<title>Prefetch attempts with an unacceptable referrer policy</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/dispatcher/dispatcher.js"></script>
<script src="/common/subset-tests.js"></script>
<script src="/common/utils.js"></script>
<script src="../resources/utils.js"></script>
<script src="resources/utils.sub.js"></script>

<!--Split test cases due to the use of timeouts in speculation rules test utilities.-->
<meta name="variant" content="?1-1">
<meta name="variant" content="?2-last">

<script>
"use strict";

setup(() => assertSpeculationRulesIsSupported());

subsetTest(promise_test, async t => {
  const agent = await spawnWindow(t);
  await agent.setReferrerPolicy("unsafe-url");
  const expectedReferrer = agent.getExecutorURL().href;

  const nextURL = agent.getExecutorURL({ page: 2 });
  await agent.forceSinglePrefetch(nextURL);
  await agent.navigate(nextURL);

  const headers = await agent.getRequestHeaders();
  // The referrer policy restriction does not apply to same-site prefetch.
  assert_prefetched(headers, "must be prefetched");
  assert_equals(headers.referer, expectedReferrer, "must send the full URL as the referrer");
}, 'with "unsafe-url" referrer policy on same-site referring page');

subsetTest(promise_test, async t => {
  const agent = await spawnWindow(t);
  await agent.setReferrerPolicy("unsafe-url");
  const expectedReferrer = agent.getExecutorURL().href;

  const nextURL = agent.getExecutorURL({ hostname: PREFETCH_PROXY_BYPASS_HOST, page: 2 });
  // This prefetch attempt should be ignored.
  await agent.forceSinglePrefetch(
      nextURL, { requires: ["anonymous-client-ip-when-cross-origin"] });
  await agent.navigate(nextURL);

  const headers = await agent.getRequestHeaders();
  assert_not_prefetched(headers, "must not be prefetched");
  assert_equals(headers.referer, expectedReferrer, "must send the full URL as the referrer");
}, 'with "unsafe-url" referrer policy on cross-site referring page');
</script>