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<!DOCTYPE html>
<title>Prefetch is done with the referring page's 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="?2-2">
<meta name="variant" content="?3-3">
<meta name="variant" content="?4-last">
<script>
"use strict";
setup(() => assertSpeculationRulesIsSupported());
subsetTest(promise_test, async t => {
const agent = await spawnWindow(t);
await agent.setReferrerPolicy("strict-origin-when-cross-origin");
const expectedReferrer = agent.getExecutorURL().href;
const nextURL = agent.getExecutorURL({ page: 2 });
await agent.forceSinglePrefetch(nextURL);
await agent.navigate(nextURL);
const headers = await agent.getRequestHeaders();
assert_prefetched(headers, "must be prefetched");
assert_equals(headers.referer, expectedReferrer, "must send the full URL as the referrer");
}, 'with "strict-origin-when-cross-origin" referrer policy');
subsetTest(promise_test, async t => {
const agent = await spawnWindow(t);
await agent.setReferrerPolicy("strict-origin");
const expectedReferrer = agent.getExecutorURL().origin + "/";
const nextURL = agent.getExecutorURL({ page: 2 });
await agent.forceSinglePrefetch(nextURL);
await agent.navigate(nextURL);
const headers = await agent.getRequestHeaders();
assert_prefetched(headers, "must be prefetched");
assert_equals(headers.referer, expectedReferrer, "must send the origin as the referrer");
}, 'with "strict-origin" referrer policy');
subsetTest(promise_test, async t => {
const agent = await spawnWindow(t);
await agent.setReferrerPolicy("no-referrer");
const nextURL = agent.getExecutorURL({ page: 2 });
await agent.forceSinglePrefetch(nextURL);
await agent.navigate(nextURL);
const headers = await agent.getRequestHeaders();
assert_prefetched(headers, "must be prefetched");
assert_equals(headers.referer, '', "must send no referrer");
}, 'with "no-referrer" referrer policy');
subsetTest(promise_test, async t => {
const agent = await spawnWindow(t);
await agent.setReferrerPolicy("no-referrer");
const next_url = agent.getExecutorURL({ page: 2 });
await agent.execute_script((url) => {
const a = addLink(url);
a.referrerPolicy = 'strict-origin';
insertDocumentRule();
}, [next_url]);
await new Promise(resolve => t.step_timeout(resolve, 2000));
await agent.navigate(next_url);
const headers = await agent.getRequestHeaders();
const expected_referrer = next_url.origin + '/';
assert_prefetched(headers, 'must be prefetched');
assert_equals(headers.referer, expected_referrer);
}, 'with "strict-origin" link referrer policy overriding "no-referrer" of referring page');
</script>
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