Add m-esr52 at 52.6.0

1 files changed, 19 insertions, 0 deletions

diff --git a/dom/workers/test/serviceworkers/worker_update.js b/dom/workers/test/serviceworkers/worker_update.js
new file mode 100644
index 000000000..9f3e55b18
--- /dev/null
+++ b/dom/workers/test/serviceworkers/worker_update.js
@@ -0,0 +1,19 @@
+// For now this test only calls update to verify that our registration
+// job queueing works properly when called from the worker thread. We should
+// test actual update scenarios with a SJS test.
+onmessage = function(e) {
+  self.registration.update().then(function(v) {
+    return v === undefined ? 'FINISH' : 'FAIL';
+  }).catch(function(e) {
+    return 'FAIL';
+  }).then(function(result) {
+    clients.matchAll().then(function(c) {
+      if (c.length == 0) {
+        dump("!!!!!!!!!!! WORKER HAS NO CLIENTS TO FINISH TEST !!!!!!!!!!!!\n");
+        return;
+      }
+
+      c[0].postMessage(result);
+    });
+  });
+}