gecko/netwerk/test/unit/test_httpsuspend.js

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// This file ensures that suspending a channel directly after opening it
// suspends future notifications correctly.
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
const Cr = Components.results;
Cu.import("resource://testing-common/httpd.js");
XPCOMUtils.defineLazyGetter(this, "URL", function() {
return "http://localhost:" + httpserv.identity.primaryPort;
});
const MIN_TIME_DIFFERENCE = 3000;
const RESUME_DELAY = 5000;
var listener = {
_lastEvent: 0,
_gotData: false,
QueryInterface: function(iid) {
if (iid.equals(Components.interfaces.nsIStreamListener) ||
iid.equals(Components.interfaces.nsIRequestObserver) ||
iid.equals(Components.interfaces.nsISupports))
return this;
throw Components.results.NS_ERROR_NO_INTERFACE;
},
onStartRequest: function(request, ctx) {
this._lastEvent = Date.now();
request.QueryInterface(Ci.nsIRequest);
// Insert a delay between this and the next callback to ensure message buffering
// works correctly
request.suspend();
request.suspend();
do_timeout(RESUME_DELAY, function() request.resume());
do_timeout(RESUME_DELAY + 1000, function() request.resume());
},
onDataAvailable: function(request, context, stream, offset, count) {
do_check_true(Date.now() - this._lastEvent >= MIN_TIME_DIFFERENCE);
read_stream(stream, count);
// Ensure that suspending and resuming inside a callback works correctly
request.suspend();
request.suspend();
request.resume();
request.resume();
this._gotData = true;
},
onStopRequest: function(request, ctx, status) {
do_check_true(this._gotData);
httpserv.stop(do_test_finished);
}
};
function makeChan(url) {
var ios = Cc["@mozilla.org/network/io-service;1"].getService(Ci.nsIIOService);
var chan = ios.newChannel(url, null, null).QueryInterface(Ci.nsIHttpChannel);
return chan;
}
var httpserv = null;
function run_test() {
httpserv = new HttpServer();
httpserv.registerPathHandler("/woo", data);
httpserv.start(-1);
var chan = makeChan(URL + "/woo");
chan.QueryInterface(Ci.nsIRequest);
chan.asyncOpen(listener, null);
do_test_pending();
}
function data(metadata, response) {
let httpbody = "0123456789";
response.setHeader("Content-Type", "text/plain", false);
response.bodyOutputStream.write(httpbody, httpbody.length);
}