partitioned-cookies-samesite-attribute.https.html

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This test has a WPT meta file that expects 3 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /cookies/partitioned-cookies/partitioned-cookies-samesite-attribute.https.html - WPT Dashboard Interop Dashboard

<!doctype html>

<head>

  <meta charset="utf-8" />

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

  <meta

    name="help"

    href="https://github.com/WICG/CHIPS#chips-cookies-having-independent-partitioned-state"

/>

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

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

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

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

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

  <script src="/resources/testdriver-vendor.js"></script>

  <title>Test SameSite attribute behavior for partitioned cookies</title>

</head>

<body>

  <script>

    document.body.onload = async () => {

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

      iframe.src = new URL(

        "resources/partitioned-cookies-samesite-attributes-embed.html",

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

);

      document.body.appendChild(iframe);

      await new Promise(r => iframe.onload = r);

      await fetch_tests_from_window(iframe.contentWindow);

};

    promise_test(async (t) => {

      t.add_cleanup(test_driver.delete_all_cookies);

      document.cookie = "testPartitioned=0; Secure; Partitioned;";

      document.cookie = "testUnpartitioned=1; Secure;";

      const partitionedCookie = await test_driver.get_named_cookie("testPartitioned");

      const unpartitionedCookie = await test_driver.get_named_cookie("testUnpartitioned");

      // Browsers have not aligned on a common SameSite attribute default yet.

      assert_any(assert_equals, partitionedCookie["sameSite"], ["Strict", "Lax", "None"]);

      assert_equals(partitionedCookie["sameSite"], unpartitionedCookie["sameSite"]);

    }, "In top-level contexts, partitioned cookies default to the same SameSite attribute as unpartitioned cookies.");

    promise_test(async (t) => {

      t.add_cleanup(test_driver.delete_all_cookies);

      document.cookie = "testStrict=0; Secure; Partitioned; SameSite=Strict;";

      let cookie = await test_driver.get_named_cookie("testStrict");

      assert_equals(cookie["sameSite"], "Strict");

      document.cookie = "testLax=0; Secure; Partitioned; SameSite=Lax;";

      cookie = await test_driver.get_named_cookie("testLax");

      assert_equals(cookie["sameSite"], "Lax");

      document.cookie = "testNone=0; Secure; Partitioned; SameSite=None;";

      cookie = await test_driver.get_named_cookie("testNone");

      assert_equals(cookie["sameSite"], "None");

    }, "In top-level contexts, partitioned cookies can be set with all SameSite attributes.");

  </script>

</body>