1 files changed, 23 insertions, 0 deletions
diff --git a/dom/workers/test/serviceworkers/worker_updatefoundevent.js b/dom/workers/test/serviceworkers/worker_updatefoundevent.js
new file mode 100644
index 000000000..a297bf455
--- /dev/null
+++ b/dom/workers/test/serviceworkers/worker_updatefoundevent.js
@@ -0,0 +1,23 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+onactivate = function(e) {
+  e.waitUntil(new Promise(function(resolve, reject) {
+    registration.onupdatefound = function(e) {
+      clients.matchAll().then(function(clients) {
+        if (!clients.length) {
+          reject("No clients found");
+        }
+
+        if (registration.scope.match(/updatefoundevent\.html$/)) {
+          clients[0].postMessage("finish");
+          resolve();
+        } else {
+          dump("Scope did not match");
+        }
+      }, reject);
+    }
+  }));
+}