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+// test bug 1355539.
+//
+// Summary:
+// Transactions in one pending queue are splited into two groups:
+// [(Blocking Group)|(Non Blocking Group)]
+// In each group, the transactions are ordered by its priority.
+// This test will check if the transaction's order in pending queue is correct.
+//
+// Test step:
+// 1. Create 6 dummy http requests. Server would not process responses until get
+// all 6 requests.
+// 2. Once server receive 6 dummy requests, create another 6 http requests with the
+// defined priority and class flag in |transactionQueue|.
+// 3. Server starts to process the 6 dummy http requests, so the client can start to
+// process the pending queue. Server will queue those http requests and put them in
+// |responseQueue|.
+// 4. When the server receive all 6 requests, check if the order in |responseQueue| is
+// equal to |transactionQueue| by comparing the value of X-ID.
+
+"use strict";
+
+const { HttpServer } = ChromeUtils.import("resource://testing-common/httpd.js");
+
+var server = new HttpServer();
+server.start(-1);
+var baseURL = "http://localhost:" + server.identity.primaryPort + "/";
+var maxConnections = 0;
+var debug = false;
+var dummyResponseQueue = [];
+var responseQueue = [];
+
+function log(msg) {
+ if (!debug) {
+ return;
+ }
+
+ if (msg) {
+ dump("TEST INFO | " + msg + "\n");
+ }
+}
+
+function make_channel(url) {
+ var request = NetUtil.newChannel({
+ uri: url,
+ loadUsingSystemPrincipal: true,
+ });
+ request.QueryInterface(Ci.nsIHttpChannel);
+ return request;
+}
+
+function serverStopListener() {
+ server.stop();
+}
+
+function createHttpRequest(requestId, priority, isBlocking, callback) {
+ let uri = baseURL;
+ var chan = make_channel(uri);
+ var listner = new HttpResponseListener(requestId, callback);
+ chan.setRequestHeader("X-ID", requestId, false);
+ chan.setRequestHeader("Cache-control", "no-store", false);
+ chan.QueryInterface(Ci.nsISupportsPriority).priority = priority;
+ if (isBlocking) {
+ var cos = chan.QueryInterface(Ci.nsIClassOfService);
+ cos.addClassFlags(Ci.nsIClassOfService.Leader);
+ }
+ chan.asyncOpen(listner);
+ log("Create http request id=" + requestId);
+}
+
+function setup_dummyHttpRequests(callback) {
+ log("setup_dummyHttpRequests");
+ for (var i = 0; i < maxConnections; i++) {
+ createHttpRequest(i, i, false, callback);
+ do_test_pending();
+ }
+}
+
+var transactionQueue = [
+ {
+ requestId: 101,
+ priority: Ci.nsISupportsPriority.PRIORITY_HIGH,
+ isBlocking: true,
+ },
+ {
+ requestId: 102,
+ priority: Ci.nsISupportsPriority.PRIORITY_NORMAL,
+ isBlocking: true,
+ },
+ {
+ requestId: 103,
+ priority: Ci.nsISupportsPriority.PRIORITY_LOW,
+ isBlocking: true,
+ },
+ {
+ requestId: 104,
+ priority: Ci.nsISupportsPriority.PRIORITY_HIGH,
+ isBlocking: false,
+ },
+ {
+ requestId: 105,
+ priority: Ci.nsISupportsPriority.PRIORITY_NORMAL,
+ isBlocking: false,
+ },
+ {
+ requestId: 106,
+ priority: Ci.nsISupportsPriority.PRIORITY_LOW,
+ isBlocking: false,
+ },
+];
+
+function setup_HttpRequests() {
+ log("setup_HttpRequests");
+ // Create channels in reverse order
+ for (var i = transactionQueue.length - 1; i > -1; ) {
+ var e = transactionQueue[i];
+ createHttpRequest(e.requestId, e.priority, e.isBlocking);
+ do_test_pending();
+ --i;
+ }
+}
+
+function check_response_id(responses) {
+ for (var i = 0; i < responses.length; i++) {
+ var id = responses[i].getHeader("X-ID");
+ Assert.equal(id, transactionQueue[i].requestId);
+ }
+}
+
+function HttpResponseListener(id, onStopCallback) {
+ this.id = id;
+ this.stopCallback = onStopCallback;
+}
+
+HttpResponseListener.prototype = {
+ onStartRequest(request) {},
+
+ onDataAvailable(request, stream, off, cnt) {},
+
+ onStopRequest(request, status) {
+ log("STOP id=" + this.id);
+ do_test_finished();
+ if (this.stopCallback) {
+ this.stopCallback();
+ }
+ },
+};
+
+function setup_http_server() {
+ log("setup_http_server");
+ maxConnections = Services.prefs.getIntPref(
+ "network.http.max-persistent-connections-per-server"
+ );
+
+ var allDummyHttpRequestReceived = false;
+ // Start server; will be stopped at test cleanup time.
+ server.registerPathHandler("/", function (metadata, response) {
+ var id = metadata.getHeader("X-ID");
+ log("Server recived the response id=" + id);
+
+ response.processAsync();
+ response.setHeader("X-ID", id);
+
+ if (!allDummyHttpRequestReceived) {
+ dummyResponseQueue.push(response);
+ } else {
+ responseQueue.push(response);
+ }
+
+ if (dummyResponseQueue.length == maxConnections) {
+ log("received all dummy http requets");
+ allDummyHttpRequestReceived = true;
+ setup_HttpRequests();
+ processDummyResponse();
+ } else if (responseQueue.length == maxConnections) {
+ log("received all http requets");
+ check_response_id(responseQueue);
+ processResponses();
+ }
+ });
+
+ registerCleanupFunction(function () {
+ server.stop(serverStopListener);
+ });
+}
+
+function processDummyResponse() {
+ if (!dummyResponseQueue.length) {
+ return;
+ }
+ var resposne = dummyResponseQueue.pop();
+ resposne.finish();
+}
+
+function processResponses() {
+ while (responseQueue.length) {
+ var resposne = responseQueue.pop();
+ resposne.finish();
+ }
+}
+
+function run_test() {
+ setup_http_server();
+ setup_dummyHttpRequests(processDummyResponse);
+}