gecko-dev/netwerk/test/unit/test_suspend_channel_before...

100 строки
2.7 KiB
JavaScript

"use strict";
var CC = Components.Constructor;
const ServerSocket = CC(
"@mozilla.org/network/server-socket;1",
"nsIServerSocket",
"init"
);
var obs = Cc["@mozilla.org/observer-service;1"].getService(
Ci.nsIObserverService
);
var ios = Cc["@mozilla.org/network/io-service;1"].getService(Ci.nsIIOService);
// A server that waits for a connect. If a channel is suspended it should not
// try to connect to the server until it is is resumed or not try at all if it
// is cancelled as in this test.
function TestServer() {
this.listener = ServerSocket(-1, true, -1);
this.port = this.listener.port;
this.listener.asyncListen(this);
}
TestServer.prototype = {
onSocketAccepted(socket, trans) {
Assert.ok(false, "Socket should not have tried to connect!");
},
onStopListening(socket) {},
stop() {
try {
this.listener.close();
} catch (ignore) {}
},
};
var requestListenerObserver = {
QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
observe(subject, topic, data) {
if (
topic === "http-on-modify-request" &&
subject instanceof Ci.nsIHttpChannel
) {
var chan = subject.QueryInterface(Ci.nsIHttpChannel);
chan.suspend();
var obs = Cc["@mozilla.org/observer-service;1"].getService();
obs = obs.QueryInterface(Ci.nsIObserverService);
obs.removeObserver(this, "http-on-modify-request");
// Timers are bad, but we need to wait to see that we are not trying to
// connect to the server. There are no other event since nothing should
// happen until we resume the channel.
let timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
timer.initWithCallback(
() => {
chan.cancel(Cr.NS_BINDING_ABORTED);
chan.resume();
},
1000,
Ci.nsITimer.TYPE_ONE_SHOT
);
}
},
};
var listener = {
onStartRequest: function test_onStartR(request) {},
onDataAvailable: function test_ODA() {
do_throw("Should not get any data!");
},
onStopRequest: function test_onStopR(request, status) {
executeSoon(run_next_test);
},
};
// Add observer and start a channel. Observer is going to suspend the channel on
// "http-on-modify-request" even. If a channel is suspended so early it should
// not try to connect at all until it is resumed. In this case we are going to
// wait for some time and cancel the channel before resuming it.
add_test(function testNoConnectChannelCanceledEarly() {
let serv = new TestServer();
obs.addObserver(requestListenerObserver, "http-on-modify-request");
var chan = NetUtil.newChannel({
uri: "http://localhost:" + serv.port,
loadUsingSystemPrincipal: true,
});
chan.asyncOpen(listener);
registerCleanupFunction(function() {
serv.stop();
});
});