michael@0: /**
michael@0:  * Any copyright is dedicated to the Public Domain.
michael@0:  * http://creativecommons.org/publicdomain/zero/1.0/
michael@0:  */
michael@0: 
michael@0: const INITIAL_URL = "http://example.com/tests/toolkit/components/places/tests/browser/begin.html";
michael@0: const FINAL_URL = "http://example.com/tests/toolkit/components/places/tests/browser/final.html";
michael@0: 
michael@0: let gTab = gBrowser.selectedTab = gBrowser.addTab();
michael@0: 
michael@0: /**
michael@0:  * One-time observer callback.
michael@0:  */
michael@0: function waitForObserve(name, callback)
michael@0: {
michael@0:   let observer = {
michael@0:     QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver]),
michael@0:     observe: function(subject, topic, data)
michael@0:     {
michael@0:       Services.obs.removeObserver(observer, name);
michael@0:       callback(subject, topic, data);
michael@0:     }
michael@0:   };
michael@0: 
michael@0:   Services.obs.addObserver(observer, name, false);
michael@0: }
michael@0: 
michael@0: /**
michael@0:  * One-time DOMContentLoaded callback.
michael@0:  */
michael@0: function waitForLoad(callback)
michael@0: {
michael@0:   gTab.linkedBrowser.addEventListener("load", function()
michael@0:   {
michael@0:     gTab.linkedBrowser.removeEventListener("load", arguments.callee, true);
michael@0:     callback();
michael@0:   }, true);
michael@0: }
michael@0: 
michael@0: function test()
michael@0: {
michael@0:   waitForExplicitFinish();
michael@0: 
michael@0:   Services.prefs.setBoolPref("places.history.enabled", false);
michael@0: 
michael@0:   waitForObserve("uri-visit-saved", function(subject, topic, data)
michael@0:   {
michael@0:     let uri = subject.QueryInterface(Ci.nsIURI);
michael@0:     is(uri.spec, FINAL_URL, "received expected visit");
michael@0:     if (uri.spec != FINAL_URL)
michael@0:       return;
michael@0:     gBrowser.removeCurrentTab();
michael@0:     promiseClearHistory().then(finish);
michael@0:   });
michael@0: 
michael@0:   Services.prefs.setBoolPref("places.history.enabled", false);
michael@0:   content.location.href = INITIAL_URL;
michael@0:   waitForLoad(function()
michael@0:   {
michael@0:     try {
michael@0:       Services.prefs.clearUserPref("places.history.enabled");
michael@0:     } catch(ex) {}    
michael@0:     content.location.href = FINAL_URL;
michael@0:   });
michael@0: }