partitioned-cookies-top-level-redirect.tentative.https.html

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This WPT test may be referenced by the following Test IDs:
- /cookies/partitioned-cookies/partitioned-cookies-top-level-redirect.tentative.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8"/>

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

<meta name="help" href="https://github.com/WICG/CHIPS#chips-cookies-having-independent-partitioned-state">

<title>Test partitioned cookies redirect top-level site to cross-site and back</title>

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

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

<script src="/common/get-host-info.sub.js"></script>

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

<script src="/cookies/partitioned-cookies/resources/test-helpers.js"></script>

<body>

<script>

  const partitionedCookie = "ancestor=chain";

  // Cross-site html file will add query param 'redirect=true'

  // to indicate that redirect has been initiated. This is done

  // to allow for the redirect to return the window to this site.

  // This is needed to prevent a timeout in the test harness.

  if(!window.location.href.includes("redirect=true")){

    const partitionedCookieAttributes =

      "; Secure; Path=/; SameSite=None; Partitioned";

    const partitionedCookieLine =

      partitionedCookie + partitionedCookieAttributes;

    // Set partitioned cookie to top-level site.

    document.cookie = partitionedCookieLine;

    // Confirm that cookie has been set.

    assert_true(document.cookie.includes(partitionedCookie));

    //Create cross-site url and navigate to it.

    const crossSiteUrl = new URL(

      './resources/partitioned-cookies-top-level-redirect.html?location='

      +`${window.location.href}`,

      get_host_info().HTTPS_NOTSAMESITE_ORIGIN + self.location.pathname);

    window.location=crossSiteUrl.href;

  // Confirm that the partitioned cookie is available after redirect

  // back from cross-site in document and http headers.

  test(() => {

      assert_true(document.cookie.includes(partitionedCookie));

      assert_true(window.location.href.includes(partitionedCookie));

      erase_cookie_from_js("ancestor", "Secure; Path=/; SameSite=None; Partitioned");

  ,"Partitioned Cookies are available in top-level cross-site to same-site redirects");

</script>

</body>