gecko-dev/dom/base/test/unit/test_error_codes.js

69 строки
2.1 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
var gExpectedStatus = null;
var gNextTestFunc = null;
var prefs = Components.classes["@mozilla.org/preferences-service;1"].
getService(Components.interfaces.nsIPrefBranch);
var asyncXHR = {
load: function() {
var request = Components.classes["@mozilla.org/xmlextras/xmlhttprequest;1"]
.createInstance(Components.interfaces.nsIXMLHttpRequest);
request.open("GET", "http://localhost:4444/test_error_code.xml", true);
var self = this;
request.addEventListener("error", function(event) { self.onError(event); }, false);
request.send(null);
},
onError: function doAsyncRequest_onError(event) {
var request = event.target.channel.QueryInterface(Components.interfaces.nsIRequest);
do_check_eq(request.status, gExpectedStatus);
gNextTestFunc();
}
}
function run_test() {
do_test_pending();
do_timeout(0, run_test_pt1);
}
// network offline
function run_test_pt1() {
var ioService = Components.classes["@mozilla.org/network/io-service;1"]
.getService(Components.interfaces.nsIIOService);
try {
ioService.manageOfflineStatus = false;
}
catch (e) {
}
ioService.offline = true;
prefs.setBoolPref("network.dns.offline-localhost", false);
gExpectedStatus = Components.results.NS_ERROR_OFFLINE;
gNextTestFunc = run_test_pt2;
dump("Testing error returned by async XHR when the network is offline\n");
asyncXHR.load();
}
// connection refused
function run_test_pt2() {
var ioService = Components.classes["@mozilla.org/network/io-service;1"]
.getService(Components.interfaces.nsIIOService);
ioService.offline = false;
prefs.clearUserPref("network.dns.offline-localhost");
gExpectedStatus = Components.results.NS_ERROR_CONNECTION_REFUSED;
gNextTestFunc = end_test;
dump("Testing error returned by aync XHR when the connection is refused\n");
asyncXHR.load();
}
function end_test() {
do_test_finished();
}