<!DOCTYPE html>
<meta charset="utf-8"/>
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/cookies/resources/cookie-helper.sub.js"></script>
<!-- We're appending an <iframe> to the document's body, so execute tests after we have a body -->
<body>
<script>
  function create_test(target, expectedDomStatus, title) {
    promise_test(async t => {
      let cookieValue = await new Promise((resolve, reject) => {
        var iframe = document.createElement("iframe");

        window.onmessage = t.step_func(e => {
          if (e.source == iframe.contentWindow) {
            document.body.removeChild(iframe);
            resolve(e.data.value);
          }
        });

        iframe.src = target + "/cookies/samesite/resources/iframe.document.html";
        document.body.appendChild(iframe);
      });

      await new Promise((resolve, reject) => {
        var iframe = document.createElement("iframe");

        window.onmessage = t.step_func(e => {
          if (e.source == iframe.contentWindow) {
            // Cleanup, then verify cookie state:
            document.body.removeChild(iframe);

            const cookies = e.data;
            assert_equals(cookies["dc_samesite_none"], cookieValue, "SameSite=none cookies can be set via document.cookies even by cross-origin documents");

            if (expectedDomStatus === DomSameSiteStatus.SAME_SITE) {
              assert_equals(cookies["dc_samesite_lax"], cookieValue, "SameSite=lax cookies can be set via document.cookies by same-site documents");
              assert_equals(cookies["dc_samesite_strict"], cookieValue, "SameSite=strict cookies can be set via document.cookies by same-site documents");
            } else if (expectedDomStatus === DomSameSiteStatus.CROSS_SITE) {
              assert_not_equals(cookies["dc_samesite_lax"], cookieValue, "SameSite=lax cookies can be set via document.cookies by same-site documents");
              assert_not_equals(cookies["dc_samesite_strict"], cookieValue, "SameSite=strict cookies can be set via document.cookies by same-site documents");
            }

            resolve();
          }
        });

        iframe.src = target + "/cookies/resources/postToParent.py";
        document.body.appendChild(iframe);
      });
    }, title);
  }

  create_test(SECURE_ORIGIN, DomSameSiteStatus.SAME_SITE, "Same-site iframes can set lax/strict cookies via document.cookie");
  create_test(SECURE_CROSS_SITE_ORIGIN, DomSameSiteStatus.CROSS_SITE, "Cross-site iframe cannot set lax/strict cookies via document.cookie");
</script>
