1 files changed, 20 insertions, 0 deletions
diff --git a/dom/serviceworkers/test/worker_updatefoundevent.js b/dom/serviceworkers/test/worker_updatefoundevent.js
new file mode 100644
index 0000000000..96a1815ee5
--- /dev/null
+++ b/dom/serviceworkers/test/worker_updatefoundevent.js
@@ -0,0 +1,20 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+registration.onupdatefound = function (e) {
+  clients.matchAll().then(function (clients) {
+    if (!clients.length) {
+      // We don't control any clients when the first update event is fired
+      // because we haven't reached the 'activated' state.
+      return;
+    }
+
+    if (registration.scope.match(/updatefoundevent\.html$/)) {
+      clients[0].postMessage("finish");
+    } else {
+      dump("Scope did not match");
+    }
+  });
+};