referrer-policy-mismatch.html

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This WPT test may be referenced by the following Test IDs:
- /speculation-rules/prerender/referrer-policy-mismatch.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Referrer policy mismatches must be allowed between prerendering and activation</title>

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

<meta name="referrer" content="strict-origin-when-cross-origin">

<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="/html/browsers/browsing-the-web/remote-context-helper/resources/remote-context-helper.js"></script>

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

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

<body>

<script>

setup(() => assertSpeculationRulesIsSupported());

promise_test(async t => {

  const rcHelper = new RemoteContextHelper();

  const referrerRC = await rcHelper.addWindow(undefined, { features: "noopener" });

  await setReferrerPolicy(referrerRC, "strict-origin-when-cross-origin");

  const prerenderedRC = await addPrerenderRC(referrerRC);

  const referrerURL = await referrerRC.executeScript(() => location.href);

  assert_equals(await prerenderedRC.executeScript(() => document.prerendering), true);

  assert_equals(await prerenderedRC.executeScript(() => document.referrer), referrerURL);

  await activatePrerenderRC(referrerRC, prerenderedRC, url => {

    const a = document.createElement("a");

    a.href = url;

    a.referrerPolicy = "no-referrer";

    a.click();

});

  assert_equals(await prerenderedRC.executeScript(() => document.prerendering), false);

  assert_equals(await prerenderedRC.executeScript(() => document.referrer), referrerURL);

}, 'prerendered with "strict-origin-when-cross-origin", activated with "no-referrer"');

promise_test(async t => {

  const rcHelper = new RemoteContextHelper();

  const referrerRC = await rcHelper.addWindow(undefined, { features: "noopener" });

  await setReferrerPolicy(referrerRC, "strict-origin-when-cross-origin");

  const prerenderedRC = await addPrerenderRC(referrerRC);

  const referrerURL = await referrerRC.executeScript(() => location.href);

  assert_equals(await prerenderedRC.executeScript(() => document.prerendering), true);

  assert_equals(await prerenderedRC.executeScript(() => document.referrer), referrerURL);

  await activatePrerenderRC(referrerRC, prerenderedRC, url => {

    const a = document.createElement("a");

    a.href = url;

    a.referrerPolicy = "strict-origin";

    a.click();

});

  assert_equals(await prerenderedRC.executeScript(() => document.prerendering), false);

  assert_equals(await prerenderedRC.executeScript(() => document.referrer), referrerURL);

}, 'prerendered with "strict-origin-when-cross-origin", activated with "strict-origin"');

promise_test(async t => {

  const rcHelper = new RemoteContextHelper();

  const referrerRC = await rcHelper.addWindow(undefined, { features: "noopener" });

  await setReferrerPolicy(referrerRC, "strict-origin");

  const prerenderedRC = await addPrerenderRC(referrerRC);

  const referrerURL = await referrerRC.executeScript(() => location.href);

  const referrerOrigin = (new URL(referrerURL)).origin + "/";

  assert_equals(await prerenderedRC.executeScript(() => document.prerendering), true);

  assert_equals(await prerenderedRC.executeScript(() => document.referrer), referrerOrigin);

  await activatePrerenderRC(referrerRC, prerenderedRC, url => {

    const a = document.createElement("a");

    a.href = url;

    a.referrerPolicy = "unsafe-url";

    a.click();

});

  assert_equals(await prerenderedRC.executeScript(() => document.prerendering), false);

  assert_equals(await prerenderedRC.executeScript(() => document.referrer), referrerOrigin);

}, 'prerendered with "strict-origin", activated with "unsafe-url"');

function setReferrerPolicy(referrerRC, referrerPolicy) {

  return referrerRC.executeScript(referrerPolicy => {

    const meta = document.createElement("meta");

    meta.name = "referrer";

    meta.content = referrerPolicy;

    document.head.append(meta);

  }, [referrerPolicy]);

</script>