michael@0: Cu.import("resource://gre/modules/Services.jsm");
michael@0: 
michael@0: function test() {
michael@0:   waitForExplicitFinish();
michael@0: 
michael@0:   let mutObserverAlarmSet = null;
michael@0:   let mutObserverAlarmFired = null;
michael@0: 
michael@0:   let alarmSet = false;
michael@0: 
michael@0:   loadWebapp("alarm.webapp", undefined, function onLoad() {
michael@0:     let principal = document.getElementById("content").contentDocument.defaultView.document.nodePrincipal;
michael@0:     let permValue = Services.perms.testExactPermissionFromPrincipal(principal, "alarms");
michael@0:     is(permValue, Ci.nsIPermissionManager.ALLOW_ACTION, "Alarm permission: allow.");
michael@0: 
michael@0:     let msgSet = gAppBrowser.contentDocument.getElementById("msgSet");
michael@0:     mutObserverAlarmSet = new MutationObserver(function(mutations) {
michael@0:       is(msgSet.textContent, "Success.", "Alarm added.");
michael@0:       alarmSet = true;
michael@0:     });
michael@0:     mutObserverAlarmSet.observe(msgSet, { childList: true });
michael@0: 
michael@0:     let msgFired = gAppBrowser.contentDocument.getElementById("msgFired");
michael@0:     mutObserverAlarmFired = new MutationObserver(function(mutations) {
michael@0:       is(msgFired.textContent, "Alarm fired.", "Alarm fired.");
michael@0: 
michael@0:       ok(alarmSet, "Alarm set before firing.");
michael@0: 
michael@0:       finish();
michael@0:     });
michael@0:     mutObserverAlarmFired.observe(msgFired, { childList: true });
michael@0:   });
michael@0: 
michael@0:   registerCleanupFunction(function() {
michael@0:     mutObserverAlarmSet.disconnect();
michael@0:     mutObserverAlarmFired.disconnect();
michael@0:   });
michael@0: }