1 files changed, 42 insertions, 0 deletions
diff --git a/dom/serviceworkers/test/self_update_worker.sjs b/dom/serviceworkers/test/self_update_worker.sjs
new file mode 100644
index 0000000000..8081b20afd
--- /dev/null
+++ b/dom/serviceworkers/test/self_update_worker.sjs
@@ -0,0 +1,42 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+"use strict";
+
+const WORKER_BODY = `
+onactivate = function(event) {
+  let promise = clients.matchAll({includeUncontrolled: true}).then(function(clients) {
+    for (i = 0; i < clients.length; i++) {
+      clients[i].postMessage({version: version});
+    }
+  }).then(function() {
+    return self.registration.update();
+  });
+  event.waitUntil(promise);
+};
+`;
+
+function handleRequest(request, response) {
+  if (request.queryString == "clearcounter") {
+    setState("count", "1");
+    response.write("ok");
+    return;
+  }
+
+  let count = getState("count");
+  if (count === "") {
+    count = 1;
+  } else {
+    count = parseInt(count);
+  }
+
+  let worker = "var version = " + count + ";\n";
+  worker = worker + WORKER_BODY;
+
+  // This header is necessary for making this script able to be loaded.
+  response.setHeader("Content-Type", "application/javascript");
+
+  // If this is the first request, return the first source.
+  response.write(worker);
+  setState("count", "" + (count + 1));
+}