3 files changed, 42 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" } })
+    );
+  }
+});
diff --git a/dom/serviceworkers/test/fetch/cookie/register.html b/dom/serviceworkers/test/fetch/cookie/register.html
new file mode 100644
index 0000000000..99eabaf0a2
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/cookie/register.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<script src="../../utils.js"></script>
+<script>
+  function ok(v, msg) {
+    window.parent.postMessage({status: "ok", result: !!v, message: msg}, "*");
+  }
+
+  function done(reg) {
+    ok(reg.active, "The active worker should be available.");
+    window.parent.postMessage({status: "registrationdone"}, "*");
+  }
+
+  document.cookie = "foo=bar";
+
+  navigator.serviceWorker.register("cookie_test.js", {scope: "."})
+                         .then(reg => {
+                           return waitForState(reg.installing, "activated", reg);
+                         }).then(done);
+</script>
diff --git a/dom/serviceworkers/test/fetch/cookie/unregister.html b/dom/serviceworkers/test/fetch/cookie/unregister.html
new file mode 100644
index 0000000000..1f13508fa7
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/cookie/unregister.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<script>
+  navigator.serviceWorker.getRegistration(".").then(function(registration) {
+    registration.unregister().then(function(success) {
+      if (success) {
+        window.parent.postMessage({status: "unregistrationdone"}, "*");
+      }
+    }, function(e) {
+      dump("Unregistering the SW failed with " + e + "\n");
+    });
+  });
+</script>