Debugging patch for bug 1157901

dom/workers/test/serviceworkers/test_workerupdatefoundevent.html

@@ -17,18 +17,24 @@
   var registration;
   var promise;
 
+  SimpleTest.requestCompleteLog();
+
   function start() {
+    info("start got called");
     return navigator.serviceWorker.register("worker_updatefoundevent.js",
                                             { scope: "./updatefoundevent.html" })
       .then((swr) => registration = swr);
   }
 
   function startWaitForUpdateFound() {
+    info("startWaitForUpdateFound got called");
     registration.onupdatefound = function(e) {
+      info("onupdatefound");
     }
 
     promise = new Promise(function(resolve, reject) {
       window.onmessage = function(e) {
+        info("Got message " + e.data);
 
         if (e.data == "finish") {
           ok(true, "Received updatefound");
@@ -46,15 +52,18 @@
   }
 
   function registerNext() {
+    info("registerNext got called");
     return navigator.serviceWorker.register("worker_updatefoundevent2.js",
                                             { scope: "./updatefoundevent.html" });
   }
 
   function waitForUpdateFound() {
+    info("waitForUpdateFound got called");
     return promise;
   }
 
   function unregister() {
+    info("unregister got called");
     return registration.unregister().then(function(result) {
       ok(result, "Unregister should return true.");
     });
@@ -76,6 +85,7 @@
     ["dom.serviceWorkers.exemptFromPerDomainMax", true],
     ["dom.serviceWorkers.enabled", true],
     ["dom.serviceWorkers.testing.enabled", true],
+    ["browser.dom.window.dump.enabled", true],
   ]}, runTest);
 </script>
 </pre>

dom/workers/test/serviceworkers/worker_updatefoundevent.js

@@ -6,8 +6,10 @@
 onactivate = function(e) {
   e.waitUntil(new Promise(function(resolve, reject) {
     registration.onupdatefound = function(e) {
+      dump("Update found for scope " + registration.scope + "\n");
       clients.matchAll().then(function(clients) {
         if (!clients.length) {
+          dump("No clients found\n");
           reject("No clients found");
         }
 

dom/workers/test/serviceworkers/worker_updatefoundevent2.js

@@ -1 +1,2 @@
 // Not useful.
+dump("worker_updatefoundevent2.js loaded\n");