1 files changed, 11 insertions, 0 deletions
diff --git a/dom/serviceworkers/test/fetch/cookie/cookie_test.js b/dom/serviceworkers/test/fetch/cookie/cookie_test.js
new file mode 100644
index 0000000000..4102b4b341
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/cookie/cookie_test.js
@@ -0,0 +1,11 @@
+self.addEventListener("fetch", function (event) {
+  if (event.request.url.includes("synth.html")) {
+    var body =
+      "<script>" +
+      'window.parent.postMessage({status: "done", cookie: document.cookie}, "*");' +
+      "</script>";
+    event.respondWith(
+      new Response(body, { headers: { "Content-Type": "text/html" } })
+    );
+  }
+});