1 files changed, 40 insertions, 0 deletions
diff --git a/testing/web-platform/tests/cookies/third-party-cookies/resources/third-party-cookies-cross-site-popup-verify.html b/testing/web-platform/tests/cookies/third-party-cookies/resources/third-party-cookies-cross-site-popup-verify.html
new file mode 100644
index 0000000000..6deb88b5d0
--- /dev/null
+++ b/testing/web-platform/tests/cookies/third-party-cookies/resources/third-party-cookies-cross-site-popup-verify.html
@@ -0,0 +1,40 @@
+<!DOCTYPE html>
+<meta charset="utf-8" />
+<meta name="timeout" content="long">
+<title>Verifies heuristics enabled by popup</title>
+<script src="/resources/testharness.js"></script>
+<script src="/common/get-host-info.sub.js"></script>
+<script src="/cookies/resources/cookie-helper.sub.js"></script>
+<script src="/cookies/third-party-cookies/resources/test-helpers.js"></script>
+
+<body>
+  <script>
+
+    // Test that parent window passed its parameters in the URL correctly.
+    test(() => {
+      assert_true(window.location.search.includes("?desc="));
+      assert_true(window.location.search.includes("&origin="));
+
+      desc = decodeURIComponent(window.location.search.slice(
+        window.location.search.indexOf("?desc=") + 6,
+        window.location.search.indexOf("&origin=")));
+      origin = decodeURIComponent(window.location.search.slice(
+        window.location.search.indexOf("&origin=") + 8));
+    }, "Cross-site verify opened correctly");
+
+    // Cookies set by the parent window in a 1P context.
+    const cookieNames = ["1P_http", "1P_dom"];
+    if (window.cookieStore) {
+      cookieNames.push("1P_cs");
+    }
+
+    // Third-party cookies are allowed after the popup heuristic grant.
+    assertThirdPartyHttpCookies({
+      desc,
+      origin,
+      cookieNames,
+      expectsCookie: true,
+    });
+
+  </script>
+</body>